Patents
Literature
Patsnap Eureka AI that helps you search prior art, draft patents, and assess FTO risks, powered by patent and scientific literature data.

184 results about "Plant stem" patented technology

A stem is one of two main structural axes of a vascular plant, the other being the root. The term "shoots" is often confused with "stems"; "shoots" generally refers to new fresh plant growth including both stems and other structures like leaves or flowers. In most plants stems are located above the soil surface but some plants have underground stems.

Pseudomonas fluorescens as well as fungicide and application thereof

The invention belongs to the technical field of agricultural microorganisms, and particularly relates to pseudomonas fluorescens as well as a microbial agent and application thereof. The invention discloses a pseudomonas fluorescens TJ194, which is preserved in the China General Microbiological Culture Collection Center (CGMCC), and the preservation number is CGMCC No.33697. The pseudomonas fluorescens TJ194 has the advantages that the pseudomonas fluorescens TJ194 can be used for preparing the pseudomonas fluorescens TJ194, and the pseudomonas fluorescens TJ194 can be used for preparing the pseudomonas fluorescens TJ194; tests prove that the strain has the activity of inhibiting the growth of fusarium pseudograminearum; by applying a fungicide containing the strain, the disease index of the wheat stem rot is remarkably reduced, and meanwhile, the fresh weight of the overground part and the underground part of wheat is increased, so that the pseudomonas fluorescens TJ194 and the fungicide thereof can be applied to prevention and treatment of the plant stem rot and promotion of plant growth.
Owner:NORTHWEST A & F UNIV

Transcription factor CsKNAT1 and application thereof in regulation and control of development of tea trees

The invention relates to the technical field of plant genetic engineering, in particular to a transcription factor CsKNAT1 and application thereof in regulation and control of development of tea trees. The nucleotide sequence of the gene is as shown in SEQ ID NO: 1, and the sequence of protein coded by the gene is as shown in SEQ ID NO: 2. Research finds that overexpression of the CsKNAT1 gene can influence the form of plant leaves: the edges of the leaves are promoted to have notches (asymmetric leaves are formed, resulting in increase of sawteeth at the edges of the leaves); the formation of compound leaves can be promoted; leaves on plant stems can grow in a rosette form, and secondary stems are bolted in the middles of rosette leaves; the research also finds that the overexpression of the CsKNAT1 gene can obviously influence the flowering phase and the flower form of the plant; the delay of the flowering phase is promoted; overexpression of the CsKNAT1 gene can further influence development of floral organs and formation of siliques, part of arabidopsis plants have phenotypes that corolla becomes small, stamens are exposed, petals gradually extend and are zigzag in a wavy shape, the length of mature siliques is remarkably shortened by 20%-36.1%, and the phenomenon that the fruits are aborted occurs.
Owner:SOUTHWEST UNIV

Granular bio-organic fertilizer containing biostimulant and production process of granular bio-organic fertilizer

The invention discloses a granular bio-organic fertilizer containing biostimulant and a production process thereof, the bio-organic fertilizer comprises the following raw materials by mass: 35%-55% of activated mineral source humic acid, 40%-50% of plant stalk, 5%-15% of oil cake, 0.5%-1.0% of a decomposing inoculant, 0.2%-0.4% of aminobutyric acid, 0.8%-1.6% of polyglutamic acid, and 0.5%-1.0% of a functional inoculant. The production process comprises the steps of fermentation, after-ripening, granulation and film coating. The biological organic fertilizer containing various active substances is obtained by efficiently integrating four types of biostimulants, namely activated mineral source humic acid, aminobutyric acid, polyglutamic acid and functional microorganisms; the production process is simple, the production cost is low, obvious adhesion, caking or hypha growth cannot occur in the shelf life, the survival time of the strain is effectively prolonged, and application and popularization and fertilizer efficiency exertion of the product are facilitated.
Owner:YUNNAN YUNYE FERTILIZER

Application of MYC1 gene in tomato plant dwarfing

The invention relates to the field of plant molecular biology, in particular to a gene for controlling stem diameter and height of a tomato plant and application of the gene, the gene is an MYC1 gene, and the MYC1 gene is a nucleotide sequence capable of coding the following protein (a) or (b): (a) a protein composed of an amino acid sequence shown in SEQ ID NO: 2; and (b) a protein which is derived from (a) and has the same enzyme activity, wherein one or more amino acid sequences are substituted, deleted or added into the amino acid sequence in (a). The gene can control the stem diameter and height of a tomato plant, and by increasing the expression quantity of the MYC1 gene in the tomato plant, the stem of the tomato plant can be thickened, the internode spacing of the tomato plant can be shortened, and the tomato plant can be shortened. Furthermore, the stem diameters and heights of different plants and the subsequent cultivation of varieties with different stem diameters and heights can be controlled through a subsequent cloning technology.
Owner:GANNAN NORMAL UNIV

Cross track error sensor and related devices, systems, and methods

A method for determining cross track error, comprising calibrating a stalk sensor with two or more set points, detecting plant stalks by the stalk sensor, measuring a stalk angle for each plant stalk, and measuring presence and amount of cross track error based on the stalk angle.
Owner:AG LEADER TECHNOLOGY INC

Seedling-stage sweet pepper point cloud skeletonization and phenotype measurement method

The invention belongs to the technical field of three-dimensional image processing, and particularly relates to a seedling-stage sweet pepper point cloud skeletonization and phenotype measurement method. Comprising the following steps: step 1, acquiring a crop plant point cloud image; 2, preprocessing the point cloud image; step 3, segmenting the stem point cloud of the point cloud image; step 4, segmenting the leaf point cloud of the point cloud image; 5, measuring the plant height of the capsicum annuum plants; 6, measuring the stem diameter of the sweet pepper plant; and 7, evaluating a phenotypic data result. According to the method, the continuous stem lines can be more reliably extracted from a complex structure, then the complete stem point cloud is restored, it is ensured that the measurement result is not sensitive to noise, the stem thickness of the designated position can be accurately reflected, the measurement accuracy and repeatability are remarkably improved, the trunk can be intelligently and automatically recognized, and the accuracy and repeatability of the measurement are improved. Depending on manual selection or simple rules is avoided, and the automation degree and reliability of the method on complex plants are improved.
Owner:JILIN AGRICULTURAL UNIV

Grassland stem circumference measuring device for ecological restoration

The utility model provides a grassland stem girth measuring device for ecological restoration, which comprises a handle, a measuring device and a measuring device, the winding assembly is arranged on the inner side face of the mounting cavity; the measuring tape is wound on the outer side face of the winding assembly, and one end of the measuring tape extends to the outer side face of the handle; the caliper is arranged at one end of the handle, and the winding assembly comprises a rotating shaft and a torsional spring. According to the grassland stem circumference measuring device for ecological restoration, through mutual cooperation of the handle, the rolling assembly, the measuring tape, the caliper and other structures, when the grassland plant stem circumference is measured, the thick stem circumference and the thin stem circumference can be measured by a user through the measuring tape and the caliper respectively, the user does not need to carry many measuring tools, and the measuring efficiency is improved. Not only is the use of a user facilitated, but also the burden of workers is reduced.
Owner:INNER MONGOLIA AUTONOMOUS REGION ACAD OF AGRI & ANIMAL HUSBANDRY SCI

Plant stem cell nutrition synergist

The invention discloses a plant stem cell nutrition synergist, and belongs to the technical field of plant stem cell nutrient solutions. The nutrient synergist can significantly improve the proliferation rate and survival rate of stem cells, promotes differentiation of the stem cells to target cell types, plays an important role in stem cell culture, can significantly improve the culture efficiency of the stem cells, provides comprehensive nutrient support and a suitable growth environment for stem cell culture, and has good application prospects. Proliferation and differentiation of the stem cells are promoted, and further research on the plant stem cells is facilitated.
Owner:SHANDONG KANGGENG AGRICULTURAL DEVELOPMENT CO LTD

Anti-toppling fixing support for gardening planting

The utility model discloses an anti-toppling fixing support for gardening planting, and relates to the technical field of gardening planting, the anti-toppling fixing support comprises four groups of supporting columns, movable rods are arranged in the middle of the upper ends of the four groups of supporting columns, and a group of top plates are arranged between the upper ends of the movable rods on the left side and the right side; mounting rods are arranged between the side walls of the two sets of supporting columns on the left side and the right side, a transmission rod is arranged between the side walls of the two sets of supporting columns on the front side, a crank is arranged on the outer wall of one set of supporting columns and located in front of one set of mounting rods, and first threaded sleeves are arranged in the middles of the upper ends of the two sets of mounting rods correspondingly; first threaded rods are arranged in the middles of the upper ends of the two first threaded sleeves correspondingly, and the upper ends of the two first threaded rods are connected with the lower ends of a set of top plates correspondingly. According to the anti-toppling fixing support for gardening planting, the height can be adjusted according to the growth condition of plants, and plant stems can be fixed more conveniently.
Owner:FUJIAN ZIKUI ECOLOGICAL AGRI & FORESTRY TECH CO LTD

Mowing and intake device for stalk-like crops with adjustable divider tips

PendingDE102024129174A1MowersRotational axisPlant stalk
A mowing and intake device (14-21) for a machine (10) for mowing stalk-like crops, which is equipped with a frame (12) movable in a forward direction (V) over a field, wherein: the mowing and intake device (14-21) is equipped with a lower cutting disc (24) and conveying discs (28) arranged above it, with recesses (26) distributed around their circumference for receiving plant stems, and the cutting disc (24) and the conveying discs (28) are rotatably supported on a gearbox housing (44) about a common axis of rotation, one or more dividing tips (32) located upstream of the mowing and intake device (14-21) are attached to a bracket (46) which is connected by screw connections in a positionally adjustable manner to a console (48) which in turn is attached to the frame (12), and the holder (46) is only positionally adjustable relative to the console (48) about the axis of rotation of the cutting disc (24) and conveyor discs (28).
Owner:DEERE & CO

An alfalfa MsCAL gene and its application

The present invention relates to the field of biotechnology and relates to a kind of alfalfa MsCAL Gene, and its application, MsCAL The nucleotide sequence of the gene is shown in SEQ ID No.29. MsCAL The gene is specifically expressed in the plant stem apex, with the highest expression level in the floral organs during the reproductive growth stage, indicating that it is specifically involved in the plant flowering process. MsCAL Gene overexpression caused transgenic Arabidopsis to flower early, become dwarfed, and have fewer rosette leaves. In addition, the transgenic Arabidopsis changed from an indeterminate inflorescence to a finite inflorescence. Quantitative results of known genes regulating flowering time and floral organ development in Arabidopsis showed that MsCAL It can regulate the expression of downstream flowering and flower organ development related genes. MsCAL The expression delayed flowering, reduced crude fiber and lignin content, and increased forage digestibility and crude protein content.
Owner:INSTITUTE OF ANIMAL SCIENCES OF CHINESE ACADEMY OF AGRICULTURAL SCIENCES

Portable green soy bean harvester

The invention relates to the technical field of green soy bean harvesters, and discloses a portable green soy bean harvester which comprises a flapping assembly, a supporting leg, a base fixed to the top of the supporting leg, a machine shell fixed to the top of the base, a feeding plate arranged on one side of the base, a supporting arm fixed to the interior of the machine shell, and a first rotating roller rotationally connected to the interior of the supporting arm. And a second rotating roller is rotationally connected into the other supporting arm, and beating rods are fixed to the surfaces of the first rotating roller and the second rotating roller correspondingly. The device has the advantages that automatic conveying and clamping are achieved, manpower is saved, waiting is avoided, in the separating assembly, green soybean plant stalks can be automatically clamped and conveyed through a conveying belt, a clamping base and a clamping cover of a conveying piece, an extrusion plate and an extrusion wheel of a matched extrusion piece and a blocking rod of an auxiliary piece, and manual hand holding is not needed; the plants are driven to move in the machine shell in the conveying process, the beating assembly is matched for operation, the waiting time for manually placing and taking the plants is saved, and the continuous operation efficiency is improved.
Owner:HAINAN UNIV

Planting device for synchronously monitoring mine water and soil remediation and plant growth in cold and arid mining area

The invention relates to the technical field of plant growth synchronous monitoring, in particular to a cold and arid mining area mine water and soil remediation and plant growth synchronous monitoring planting device which comprises a base, a supporting mechanism is installed at the top of the base, the supporting mechanism comprises a supporting rod, and the supporting rod is fixedly installed at the top of the base; a plurality of first sliding grooves are formed in the surface of the supporting rod, the fixing rings are slidably installed in the first sliding grooves, second sliding grooves are formed in the surface of the fixing rings, and the telescopic rods are slidably installed in the second sliding grooves. Through the arrangement of the supporting mechanism, a worker can directly judge the growth condition of plant branches through the position of a pointer on an indicating dial, an arc-shaped plate provides stable and adjustable clamping force through a spring, the arc-shaped plate can be precisely attached to plant stalks, measurement errors caused by clamping looseness are avoided, and the measurement accuracy is improved. The accuracy of stem diameter change data is ensured, and the quantitative requirement of experimental data is met.
Owner:XINJIANG INST OF ECOLOGY & GEOGRAPHY CHINESE ACAD OF SCI

Application of ZmbHLH67 protein or coding gene thereof in regulation and control of stem rot resistance of plants

The invention relates to the technical field of biology, and particularly discloses application of ZmbHLH67 protein or a coding gene thereof in regulating and controlling stem rot resistance of plants. The research finds that the ZmbHLH67 gene can positively regulate and control the disease resistance of stem rot. Therefore, the invention provides the application of the ZmbHLH67 protein or the coding gene thereof, or a biological material containing the coding gene thereof in regulating and controlling the stem rot resistance of plants. The invention provides a new method for improving the stem rot resistance of plants, and a new path is opened up for creating disease-resistant plant varieties. The method can effectively enhance the disease resistance of plants and improve the growth state and production performance of the plants, and has important application value for promoting agricultural production and improving the yield and quality of crops.
Owner:CHINA AGRI UNIV +1

Luminescent plant ecological light supplementing system for photovoltaic power station

The invention discloses a light-emitting plant ecological light supplement system for a photovoltaic power station. The system is composed of a double-sided photovoltaic module array, a light-emitting plant zone planted below the modules and a special plant light-emitting compound. The core of the plant luminescent compound is that the plant luminescent compound is formed by compounding a long afterglow luminescent base material, a plant nutrient component and a natural insect repelling component, and is attached to the surfaces of stems and leaves of suitable plants in a spraying manner. In the daytime, the compound stores light energy and nourishes the plants; and at night, soft green light is released to provide safety guidance for the field area. According to the system, idle land resources are creatively converted into zero-energy-consumption illumination assets, synergistic interaction of night inspection safety, biodiversity improvement and unique night landscape shaping is achieved, meanwhile, healthy growth of plant carriers is guaranteed through the composite design of materials, and the system is suitable for being popularized and applied. And an innovative solution is provided for ecological and intelligent construction of the photovoltaic power station.
Owner:HUANENG TONGLIAO WIND POWER CO LTD +1

Plant branch section diameter estimation method and system

The invention discloses a plant branch section diameter estimation method and system, and the method comprises the steps: enabling point cloud data of a plant branch section to estimate an initial circle center through a convex hull rasterization method, then converting the point cloud data into polar coordinates, carrying out the abnormal point elimination, carrying out the re-fitting of the position of the circle center, and obtaining the diameter of the plant branch section. Removing breakpoints in the polar coordinate point cloud data of the section of the plant branch according to the interval of polar angles to obtain a plurality of continuous sections; a circle is fitted according to the arc length and angle of each continuous section and the circle center position, the diameter of the circle is estimated, and the diameter of the circle is the diameter of the plant branch section at the target height. According to the method, the plant branch diameter can be stably and accurately estimated under the conditions of point cloud data missing and noise existence.
Owner:NANJING AGRICULTURAL UNIVERSITY

Defoliation system for removing leaves from plant stems, such as cut flowers.

ActiveFR3159284B3Thorn removersCut flowersPlant stem
Installation (1) for removing leaves (21) from stems (20) of plants (22) comprising a defoliating station (2) with an inlet (3) of plants to be defoliated and an outlet (4) of defoliated plants and a system (5) for holding plants (22). The station (2) comprises one or more pairs of cavities (61, 62). The cavities (61, 62) of a pair of cavities are mounted to move between a position close to and a position far apart from each other. When close to each other, said cavities (61, 62) are mounted, over at least part of their travel, to move along a straight-line defoliation direction (D). When close to each other, said cavities (61, 62) form a succession of through orifices (7), each closed around its periphery. The succession of orifices (7) is arranged along a line (L1) transverse to the defoliation direction (D). Figure for the abbreviation: Fig. 2
Owner:MECAFLOR

A vegetation restoration system for a hydro-fluctuation belt and a construction method thereof

PendingCN122280115ARevegetationSpore
This application relates to the field of ecological restoration technology, and discloses a vegetation restoration system for drawdown zones and its construction method. The system includes laying equipment and a roller. A drive motor of the laying equipment drives the winding roller to release a coil. The roller includes a fixing rod, is filled with superabsorbent polymer resin, and is sequentially wound with an inner base mat, a middle matrix containing plant stem nodes and fungal spores, and an outer mesh. The inner base mat is interwoven with capillary water-conducting bundles, the bottom of which is inserted into the fixing rod and embedded in the resin. The outer mesh is secured with gravity lever-type anchoring nails via eccentric hinges. During construction, the motor releases the coil at a uniform speed, causing the roller to unfold along the slope. The anchoring nails, as they rotate, droop under gravity and penetrate the topsoil layer for synchronous anchoring. The fixing rod, remaining at the bottom, lifts water upwards through the absorbent resin and water-conducting bundles. This invention achieves mechanized laying of base mats on steep slopes, constructs a capillary water-lifting system to alleviate drought, and improves vegetation survival rates.
Owner:ENVIRONMENTAL HORTICULTURE RES INST OF GUANGDONG ACADEMY OF AGRI SCI

Apparatus and method for processing plant material

PCT designated stageWO2026002558A1HarvestersPlant stalkPlant stem
An apparatus and method are provided for processing plant material to remove leaves from a plant stalk, comprising a guide means (30) configured to guide movement of the plant material relative to a plurality of rollers (10), the plurality of rollers comprising one or more counter-rotating rollers (11) for pulling leaves away from a plant stalk.
Owner:BRITISH AMERICAN TOBACCO (INVESTMENTS) LTD +1

A tea leaf pruning apparatus

The utility model discloses a kind of tea pruning equipment, it is related to tea planting technical field, including main car body, telescopic link is fixedly installed on the main car body, the moving end of telescopic link is fixedly installed with support frame, support frame is rotatably installed with support frame on, motor frame is rotatably installed in support frame, a plurality of cutting motors are fixedly installed on the motor frame, cutting knife is fixedly installed on the output shaft of cutting motor, cutting knife is used to cut the blade of plant tip after rotating, to cut the pruned plant stem, main adjusting handle is slidably installed outside the motor frame, the device is adjusted cutting knife angle, and then let cutting mouth on tea tree appear inclination, so that the device can reduce the recovery time after tea tree cutting.
Owner:YIBIN JUNLIAN COUNTY JIAMU TEA CO LTD

A wind-resistant seedling fixing and planting device for mountainous tree planting

The application discloses a wind-resistant seedling fixing and planting device for mountain tree planting, and belongs to the technical field of tree planting and planting. The wind-resistant seedling fixing and planting device for mountain tree planting comprises a fixing mechanism. By pressing the insertion rod, the insertion rod slides outside the limiting rod, the insertion rod compresses the spring arranged on the side surface, so that the insertion rod enters the inside of the mounting block, the mounting block is inserted into the mounting groove opened at one end of the fixing block two through the fixing block one, the insertion rod is subjected to the rebound force of the spring, so that the insertion rod is inserted with the fixing groove, the fixing block one and the fixing block two can be fixed, the sliding adjusting rod is used to make the clamping block arranged at one end of the adjusting rod contact the plant stem, and the adjusting rod is screw-connected with the adjusting rod through the fastening bolt, so that the adjusting rod can be fixed in the inside of the fixing rod. The adjusting rod can be conveniently installed and dismounted, and can be conveniently adjusted and fixed according to the thickness of the plant stem. The operation is simple and fast, and the use is convenient.
Owner:刘炎升

Grain and feed dual-purpose corn cultivation method

The invention discloses a method for cultivating grain-feed corn, which comprises the following steps of: selecting a grain corn variety, selecting a land and preparing the land; the method comprises the following steps: selecting corn seeds, ridging and earthing, performing single-grain precision seeding in a suitable seeding period from May 5th to May 15th, and seeding selected conventional high-grain-yield corn varieties according to the density which is increased by 5-10% compared with the recommended density of pure grains; applying a base fertilizer and a silicon-calcium-magnesium compound fertilizer at the stem position before the jointing stage, and applying a nitrogen fertilizer and a silicon-calcium fertilizer in the large bell mouth stage; green-keeping and grain-increasing fertilizer is applied 10-15 days after spinning, wherein the green-keeping and grain-increasing fertilizer comprises potash fertilizer, urea and phosphate fertilizer; from the final stage of wax ripening to the initial stage of complete ripening, when milk lines of the grains disappear or black layers are formed, the grains are harvested, and the stem and leaf structures of plants which are not completely dried up are kept to be complete; topdressing nitrogen fertilizer after harvesting, spraying growth hormone to induce differentiation of stem base regeneration buds, and harvesting the stem bases after the stem base regeneration buds grow and turn green; according to the method, the plant stem base regeneration buds are induced to differentiate, turn green and grow again, so that secondary growth and utilization of the corn straws are realized.
Owner:GUANGYUAN ACAD OF AGRI SCI

Strain sensor for monitoring plant growth and application thereof

The invention discloses a strain sensor for monitoring plant growth and application thereof, and belongs to the technical field of hydrogel strain sensors. According to the strain sensor for monitoring plant growth, PGTA hydrogel is synthesized through a one-pot method, the PGTA hydrogel is solidified on plant stalks in situ, and then flexible carbon cloth is used for conducting wire leading-out to a data acquisition system; under the condition that plant tissues are not damaged, the fidelity and the signal-to-noise ratio of detection electric signals are improved, compared with existing documents, the durability of the hydrogel strain sensor is improved, an in-situ polymerization method is utilized for the first time to construct the hydrogel strain sensor to achieve in-situ sustainable monitoring of plant growth, and the application prospect is wide. A wireless transmission system is used to realize synchronous monitoring of plant moisture information and growth information, and an internal time relationship between the plant moisture information and growth strain is explored.
Owner:JIANGNAN UNIV

Plant stalk cutter

ActiveCN223802640UMetal working apparatusPlant stalkPlant stem
The utility model provides a plant stalk cutter which comprises a box body and a base, a plurality of cutters distributed at equal intervals extend out of the bottom face of the box body, a long-strip-shaped cutting groove used for containing plant stalks to be cut is formed in the base, the shape of cutting edges of the cutters is matched with the shape of the cross section of the cutting groove, and the cutting edges of the cutters can be cut through the action that the box body is buckled on the base. The cutting device mainly comprises a box body and a base, the equidistant cutters are arranged on the box body, the cutting grooves matched with the cutters in shape are formed in the base, when the cutting device is used, the plant stalks to be cut are placed in the cutting grooves in the base, and the cutting operation is completed through the action that the box body and the base get close to each other until the box body and the base abut against each other. A plurality of stalk sections with the same length can be obtained through one-time action, the cutting operation mode is simple and efficient, the flatness of a notch can be well guaranteed, and the technical problems that an existing plant stalk experiment material preparation procedure is low in efficiency and poor in material flatness are effectively solved.
Owner:NINGBO UNIV

Application of TaSYT5 gene or related biological materials thereof in regulating and controlling stem rot resistance of plants

The invention belongs to the technical field of agricultural biology, and particularly relates to application of a plant susceptibility related gene TaSYT5 or a related biological material thereof to regulation and control of plant basal stem rot resistance. The amino acid sequence of the encoding protein of the plant disease related gene TaSYT5 provided by the invention is as shown in SEQ ID No: 2, and the nucleotide sequence of the plant disease related gene TaSYT5 is as shown in SEQ ID No: 1. According to the invention, gene editing is carried out in a Fielder wild type material, so that a TTaSYT5 gene silencing plant with resistance to plant basal stem rot is obtained. It is determined that the TaSYT5 gene plays a negative regulation role in plant stem rot resistance, a stem rot resistant plant material is created by using the negative regulation factor, and a new gene and germplasm resource are provided for plant stem rot resistant breeding.
Owner:SHENZHEN RESEARCH INSTITUTE OF NORTHWEST A & F UNIVERSITY

A fixing device for planting single submerged plant in shallow lake

The application provides a fixing device for single plant planting of submerged plants in a shallow lake, and belongs to the technical field of planting devices. The fixing device comprises a fixing rod and a grab hook fixedly connected to the bottom wall of the fixing rod. An extension slot is formed in the inner wall of the grab hook. A first reinforcing rod and a second reinforcing rod are slidably connected to the inner wall of the extension slot. A first spring is fixedly connected to the top wall of the first reinforcing rod. A second spring is fixedly connected to the top wall of the second reinforcing rod. The ends of the first spring and the second spring, which are away from the first reinforcing rod and the second reinforcing rod, are further fixedly connected to the grab hook. An adjusting assembly for adjusting the extension and retraction of the first reinforcing rod and the second reinforcing rod is connected to the inner wall of the grab hook. A fixing component for fixing the stems of plants is slidably connected to the outer wall of the fixing rod. The stability of the fixing rod is further improved under the action of the first reinforcing rod and the second reinforcing rod. Meanwhile, the convenience of adjusting the state of the roots and stems of plants is improved under the action of the fixing component.
Owner:NORTHEAST INST OF GEOGRAPHY & AGRIECOLOGY C A S +1

Method, system and device for calculating plant canopy coverage rate based on vision

The invention discloses a vision-based plant canopy coverage rate calculation method, system and device. The method comprises the following steps: acquiring an initial top surface plant image, an initial side surface plant image and a rotary side surface plant image through a top surface image acquisition device and a side surface image acquisition device; through plant leaf extraction, an initial side leaf image, a rotary side leaf image and a top leaf image are obtained; through skeleton line extraction, obtaining an initial skeleton line image and a rotating skeleton line image, and further obtaining plant stalk coordinates in the initial top surface plant image; acquiring an included angle with a plane where the side image acquisition device is located through the leaf vertex coordinate set and the plant stalk coordinate; and rotating the to-be-detected plant through the included angle, carrying out image acquisition to obtain a top surface plant image set, and carrying out projection and area analysis to obtain the plant canopy coverage rate. According to the invention, images of the side surfaces and the top surfaces of the plants are collected and analyzed, and the calculation accuracy and the calculation efficiency are improved.
Owner:ZHEJIANG TUOPUYUN AGRI SCI & TECH CO LTD

Negative pressure type anti-backflow recovery device for plant stem flow liquid

The utility model provides a negative pressure type anti-backflow recovery device for plant stem flow liquid, belongs to the technical field of agricultural tools, and solves the technical problem that part of stock solution is wasted due to the fact that the collecting device is directly taken out and recovered when the plant stem flow liquid continuously drips in the existing collecting process. A plant stem flow liquid negative pressure type anti-backflow recycling device comprises a recycling barrel and a recycling cavity formed in the recycling barrel, a recycling opening communicated with the recycling cavity is formed in the recycling barrel, a recycling hose is fixedly connected to the recycling opening, a valve block is slidably connected into the recycling barrel and matched with the recycling opening in a blocking mode, and a piston is slidably connected into the recycling cavity. A cross-shaped rod is arranged in the recycling barrel, the top end of the cross-shaped rod is rotationally connected with the piston, a transmission assembly is arranged in the recycling barrel, and the valve block is connected with the cross-shaped rod through the transmission assembly. The bottle has the advantages that the loofah stock solution in the bottle can be extracted on the premise that stock solution receiving of the bottle is not affected, the backward flowing phenomenon is prevented, and stock solution waste is reduced.
Owner:魏子翔

Cornus officinalis-based whitening and anti-aging mask formula

PendingCN120983312ACosmetic preparationsToilet preparationsPhysiologyCornus officinalis fruit extract
The invention discloses a whitening and anti-aging mask formula based on dogwood. The whitening and anti-aging mask formula based on dogwood is prepared from the following raw materials in parts by mass: 5 to 15 parts of dogwood extract, 2 to 8 parts of vitamin C powder, 1 to 3 parts of polyphenol compound, 1 to 5 parts of glycerinum, 2 to 4 parts of hyaluronic acid, 3 to 9 parts of plant essence, 2 to 6 parts of vegetable oil, 4 to 12 parts of seaweed extract and 1 to 3 parts of polyether-201. 1-3 parts of nerve growth factors, 2-6 parts of DNA (deoxyribonucleic acid) repair enzyme, 0.1-0.3 part of snake venom essence, 1-3 parts of plant stem cells and 20-30 parts of deionized water, components in the snake venom essence can stimulate synthesis of collagen and increase skin elasticity, so that wrinkles and fine wrinkles are reduced, the skin looks younger and tighter, certain antioxidant capacity is achieved, and the skin care effect is good. Free radicals can be neutralized, the damage of environmental pollution and ultraviolet radiation to the skin is reduced, and the aging process of the skin is delayed.
Owner:BEIJING ZHONGPING LIYUAN TECH DEV CO LTD