25 results about "Excessive growth" patented technology

The invention belongs to the technical field of mushroom culture, and discloses a mushroom culture shelf lifting mechanism for a mushroom house, the mushroom culture shelf lifting mechanism comprises a rotating mechanism, the rotating mechanism comprises a first gear and a screw rod, bevel gears are fixedly connected to the sides, close to each other, of the first gear and the screw rod, and the screw rod is in threaded sleeve connection with a threaded sleeve; through cooperation of structures such as an inclined plate and a sliding rod, a rotating disc can conveniently rotate on a placement plate, after a first gear is meshed with a tooth groove, the rotating disc can drive a culture pot to rotate by 180 degrees and then continue to ascend and descend through transmission, it is ensured that each mushroom can receive light evenly, and the mushroom quality is improved. The illumination receiving time of different surfaces of mushrooms is kept consistent, so that the uniform growth of hyphae is promoted, the problem of excessive growth or uneven growth is avoided, meanwhile, different parts of a culture medium can obtain better conditions in the aspects of light receiving, atmospheric circulation and the like through rotation, uniform distribution and absorption of nutrients are promoted, and the growth rate of the hyphae is increased. The overall nutrition efficiency of mushroom growth is improved.

The invention relates to the technical field of agricultural intelligent monitoring and regulation and control, and discloses a rice three-dimensional seedling raising seedling growth monitoring, diagnosis and regulation and control method, which comprises the following steps: S1, when any hanging basket reaches a target position, reducing the movement speed of the hanging basket, and obtaining a serial number image of the hanging basket; s2, when the hanging baskets stop moving, sequentially acquiring images right above and obliquely above all seedling trays in the hanging baskets corresponding to the serial number images of the hanging baskets; s3, respectively obtaining the areas of a green plant area, a yellow plant area, a black soil area and a seedling block area in the images right above and obliquely above the seedling tray, calculating the pixel number of each area, and obtaining the pixel ratio of different areas; and S4, acquiring the coverage rate, health index and spindling index of each seedling tray according to the ratio of pixels in different areas, dividing the seedlings in the seedling trays into five types of normal, spindling, vertical withering, insufficient fertilizer and strong, obtaining a growth vigor diagnosis result of the seedlings in the seedling trays, and generating a seedling growth vigor regulation and control prescription according to the growth vigor diagnosis result.

The utility model discloses a light source suitable for secondary light distribution and capable of inhibiting excessive growth of an eye axis, a heat dissipation copper column is arranged in a lamp bead, and the heat dissipation copper column not only can be directly used as a conductive structure to electrically connect a chip to an anode pin, but also can achieve a better heat dissipation effect. The conductive layer is embedded in the support, the receding groove is formed in the upper surface of the support, the exposed area of the conductive layer on the surface of the support can be greatly reduced, and therefore the anti-static performance and the compression resistance of the lamp bead can be greatly improved. In addition, the light-emitting spectrum of the lamp bead is a continuous spectrum of 360-850 nm, and the effect of inhibiting excessive growth of the eye axis can be achieved. And the difficulty of secondary optical light distribution of the light source can be greatly reduced by reducing the spectral energy ratio range corresponding to the light of each wavelength section. In addition, the utility model further discloses a lamp provided with the light source capable of inhibiting excessive growth of the eye axis and suitable for secondary light distribution.

The invention discloses an inhibitor for preventing excessive growth of towel gourd strips and application of the inhibitor, and relates to the technical field of planting. The inhibitor comprises the following components: phosphatidic acid, nitrifying bacteria and lignin, wherein the mass ratio of phosphatidic acid to nitrifying bacteria to lignin is (15-20): (16-20): (8-10). The phosphatidic acid and the nitrifying bacteria are introduced, so that the ammonium nitrogen absorption degree of towel gourd roots can be reduced, excessive growth of towel gourds is effectively prevented, the adverse effects of the inhibitor on the growth and quality of the towel gourds are avoided, and the method is low in cost, simple in process and easy to popularize and use.

The invention belongs to the field of vegetables, and provides a celery seed germination accelerating treatment method and a seedling raising method, and the celery seed germination accelerating treatment method comprises the operation of treating celery seeds by adopting a nano material. The celery seed germination accelerating treatment method and the celery seedling raising method provided by the invention are particularly suitable for celery germination accelerating and seedling raising under a high-temperature condition, by adding a nano material, the germination rate of the celery seeds' Beijing-celery No. 2 'and' Beijing-celery No. 3 'is obviously improved, and meanwhile, the germination speed, the seed vigor and the seedling vigor of the celery seeds can also be improved; the excessive growth of seedlings is effectively inhibited, the seedling raising period is shortened, the yield increase is promoted, the seedlings with higher quality are produced more quickly, the stress resistance of the seedlings is improved, and the seedlings are easier to survive after being planted; and the cost is low, the effect is good, popularization and application are facilitated, and economic benefits are obviously improved.

The invention relates to the technical field of asparagus lettuce cultivation, in particular to an asparagus lettuce high-yield cultivation method which comprises the following steps of seedbed preparation, seed treatment, seedling management, field planting, field management and harvesting. In the seedling raising seedbed preparation period, peat of vermiculite is added into an added fertilizer, the air permeability, the water-retaining property and the emergence rate of seeds can be improved, the fresh weight of seedlings can be improved, trichoderma harzianum powder and brown sugar water are added in the seed treatment process, the seeds can be wrapped by flora through trichoderma harzianum, the seeds can be wrapped by the flora through trichoderma harzianum, and the seedling raising effect is improved. The ammonia water fertilizer added in the seedling stage management period can enable the asparagus lettuce to stably grow and prevent the root from being burnt out due to excessive growth, stem cracking can be prevented, the toughness of the epidermis can be improved, the insect disease disaster of the asparagus lettuce can be reduced, and the yield value per mu of the asparagus lettuce can be increased.

The utility model belongs to the technical field of constructed wetlands, and relates to a secondary slope pond ridge of a constructed wetland. The system sequentially comprises a first-stage slope, a first-stage platform, a second-stage slope and a pond bottom, the first-stage slope, the first-stage platform, the second-stage slope and the pond bottom form an artificial wetland structure, the first-stage platform is horizontally arranged at the bottom of the first-stage slope, and the second-stage slope is an area which is connected with the first-stage platform and the pond bottom and is in transition from a shallow water area to a deep water area. Overgrowth of emergent aquatic plants is avoided, and the pond bottom is a deep water area; the depth of the water level within the range of 2.0 m near the shore is not larger than 0.7 m, the safety of nearby residents is improved, and the biodiversity of the wetland can be guaranteed.

The present invention provides a physical method for controlling the excessive growth of Crimson Seedless grapevines cultivated in a controlled facility, including: root pruning and fertilization management; hand pliers extrusion management: water the grapevines one day before hand pliers extrusion. For the bearing shoots, conduct one extrusion at the bearing shoot part 3-5 cm above the axil of the first leaf above the fruit cluster on the 15th - 18th day after flowering. For the preparatory shoots, conduct the first extrusion at 8-10 cm from the base on the 3rd - 5th day before the full bloom stage, and conduct the second extrusion at 3-5 cm above the first extrusion position on the 15th - 18th day after flowering; twig twisting and lateral shoot management: when the bearing shoots and preparatory shoots grow to 2 m above the ground, twist the main vine to grow downward, and cut off the part within 20 cm above the ground during growth; retain the drooping lateral shoots of the bearing shoots, and only reserve two upward-growing lateral shoots above the fruit cluster, and retain the lateral shoots of the preparatory shoots; fertilizer and water management and temperature management. The present invention can effectively control the growth of vigorous branches and increase the single grain weight and yield of Crimson Seedless grapes.

This invention belongs to the field of ecological regulation technology of river aquatic plants. Specifically, it discloses a method for preventing the excessive growth of invasive submerged plants in rivers. By accurately calculating the water flow velocity threshold for controlling the excessive growth of submerged plants, and using a combination of upstream reservoir outflow and downstream reservoir water level fluctuations for joint regulation, the aim of preventing the excessive growth of submerged plants in the river section can be achieved.

This invention discloses a composition and application method for shortening the seedling stage of grapes, relating to the field of grape cultivation technology. The composition comprises ten components, including 45-52 mg / kg of uniconazole and 1.8-2.2 mg / kg of thidiazuron. The plant-derived compound amino acids are a combination of soybean protein and corn germ enzymatically hydrolyzed small-molecule amino acids with a molecular weight <1000 Da. The preparation method involves pre-dissolving uniconazole and methyl jasmonate in 95% ethanol, then mixing them sequentially with the other components and adjusting the volume. Application is based on the timing of application, spraying 2-3 times at 30±5 day intervals when the lignification rate of the 3-5 nodes at the base of the new shoot reaches 60%-70% or the GA3 / ZT ratio is 3.0-4.0. Through the synergistic effect of its components, this invention can shorten the seedling stage of grapes to less than 3 years, achieving a fruiting rate of ≥80% in 2-year-old plants. It allows for precise control of excessive growth and promotes flowering, is safe and environmentally friendly, simple to operate, and low in cost, effectively solving the problem of long grape breeding cycles. It is suitable for the breeding of new grape varieties and the innovation of germplasm resources.

This invention belongs to the field of microbial technology, specifically relating to a strain CNOCC V. coerulea-13 and its applications. The present invention isolates and screens CNOCC V. coerulea-13, with the accession number GDMCC No:67765. When this strain is inoculated into pre-cultured orchid tissue culture seedlings or explants for symbiotic culture, under completely hormone-free conditions, the tissue culture seedlings maintain normal growth and stable biomass accumulation, significantly improving the survival rate of tissue culture seedlings of various orchid species. This effectively solves the problem of easy death of tissue culture seedlings in hormone-free culture and effectively avoids the side effects such as deformity and excessive growth that may be caused by the use of traditional hormones. This invention is simple to operate and low in cost. The resulting seedlings have a physiological balance and root development closer to the natural state, laying a good foundation for their subsequent transplanting and adaptation to the natural environment.

The invention relates to the field of wheat planting and phytopathogen breeding, in particular to an inhibitor and method for controlling excessive growth of wheat seedlings and a breeding method of wheat stripe rust. The invention provides an inhibitor for controlling spindling of wheat seedlings. The inhibitor contains maleic hydrazide or agriculturally acceptable salt of maleic hydrazide, water and an optional solvent. The invention further provides a method for applying the inhibitor to a growth substrate to control spindling of wheat seedlings. 5-12 days after application, wheat stripe rust is inoculated, and growth and spore production of the wheat stripe rust are carried out. The invention also provides application of maleic hydrazide and the inhibitor in controlling excessive growth of wheat seedlings. According to the application, maleic hydrazide is used in wheat culture, especially greenhouse wheat seedling culture, so that spindling of wheat seedlings can be effectively inhibited, leaf surfaces of the wheat seedlings are widened, the wheat seedlings are robust, and propagation of uredospores of puccinia striiformis is improved; the occurrence of diseases in subsequent research is not influenced, the problem of test failure caused by excessive growth of wheat seedlings cultured in the greenhouse is solved, and the scientific research efficiency is improved.

This invention discloses chiral gold nanoflowers, their preparation method, and applications. The method includes the following steps: S1, preparing a growth solution; adding deionized water, chloroauric acid aqueous solution, and ascorbic acid aqueous solution to a hexadecyltrimethylammonium bromide aqueous solution and mixing to obtain a growth solution; S2, introducing chiral molecules; injecting chiral molecules L-cysteine ​​or D-cysteine ​​into the growth solution and mixing to obtain a chiral induced growth system; S3, seed-induced growth; adding a gold nanorod solution to the chiral induced growth system and mixing; allowing the reaction to stand, and growing to obtain crude chiral gold nanoflowers. The preparation method uses gold nanorods as seed crystals, and the excessive growth of gold nanoflowers is induced in situ by chiral cysteine ​​molecules. The reaction conditions are mild, the operation is simple and easy to control, the product exhibits significant chiral characteristics, and high reproducibility. Chiral gold nanostructures can expand applications in catalysis, biosensing, chiral recognition, optical devices, and other fields, showing good application prospects and practical application value.

The invention relates to the technical field of plant growth regulators, in particular to a growth regulator for inhibiting excessive growth of grape shoots and a use method of the growth regulator. The growth regulator for inhibiting the excessive growth of the new shoots of the grapes is prepared from the following raw materials in parts by mass: 10 to 20 g / L of fulvic acid, 0.2 to 0.4 g / L of exchange acid calcium, 0.15 to 0.45 g / L of D-serine, 1.5 to 2.5 g / L of L-valine, 10 to 20 g / L of compound amino acid powder and the balance of water. The regulator product disclosed by the invention has an obvious effect of inhibiting excessive growth of new shoots of grapes, and the germination rate of side shoots is lower.

The invention discloses a pepper seedling cultivation method that effectively copes with a high temperature and drought environment, and belongs to the technical field of pepper seedling cultivation. The method comprises the following steps: 1) floating seedling cultivation; 2) topping at the seedling stage: when the pepper seedlings cannot be transplanted in time due to high temperature and drought, when the pepper plant height exceeds 20 cm and the physiological seedling age is more than 8 true leaves, the older tall seedlings are toppled with a sterilized blade to shorten and dwarf them; 3) field planting and transplanting: including a land preparation step and a transplanting step after land preparation. The present invention can effectively inhibit the apical dominance of peppers, avoid excessive growth, allow more nutrients to be supplied to the roots, and develop the root system of pepper seedlings by topping the pepper seedlings at appropriate positions to remove the growth points and then transplanting them. It can also use the reserved leaf axils to send out new growth points to increase the available fruiting branches, and can solve the problem that the pepper seedlings are too old and cannot be transplanted on time due to long-term drought.

The application discloses a kind of agrobacterium-mediated panax ginseng alternaria gene transformation methods, comprising: (1) co-culture: after being activated and induced to cultivate, the recombinant agrobacterium containing target gene is co-cultured with panax ginseng alternaria mycelium suspension in IM culture medium;(2) screening: after co-culture, when 5-8 panax ginseng alternaria colonies are observed, the mycelium area of colony accounts for 30%-60% of the total area of IM culture medium, while the number of agrobacterium plaque is not more than 10, pour a layer of PDA solid medium containing screening antibiotic on IM culture medium to carry out double-layer screening;(3) verification.The agrobacterium-mediated panax ginseng alternaria gene transformation method of the application can effectively inhibit the excessive growth of agrobacterium and greatly improve the true positive rate, and realizes the best balance of agrobacterium infection activity and fungal tolerance, avoids the death of fungal cells due to excessive infection, or transformation failure due to insufficient infection, provides a reliable technical means for transforming panax ginseng alternaria strain and verification.

The invention discloses a culture device for rapid propagation of algae, and relates to the technical field of algae culture, the culture device comprises a culture box, and also comprises a discharge pipe communicated with the bottom end of the culture box; the air supply mechanism is used for stirring the algae cultured in the inner cavity of the culture box and aerating the algae cultured in the inner cavity of the culture box; the sampling mechanism is used for smoothly sampling and discharging algae cultured in an inner cavity of the culture box, the device utilizes continuous rotation of a rotating shaft to enable a main rotating disc to rotate along with a belt linkage auxiliary rotating disc, and in cooperation with limiting of the culture box on a moving block, the moving block is promoted to horizontally move back and forth along a reciprocating lead screw; in this way, external air is continuously fed into the incubator through the breather pipe, cell metabolism stagnation or death caused by oxygen deficit is avoided, a flowing environment and sufficient oxygen can be created, overgrowth of anaerobic or facultative anaerobic microorganisms can be inhibited, and the pollution risk is reduced.

The invention discloses a method for cultivating a transgenic drought-resistant poplar, and belongs to the technical field of plant genetic engineering. The invention uses excellent poplar varieties as plant materials, and obtains transgenic drought-resistant poplars through target gene cloning, vector construction, preparation of Agrobacterium infection solution, and genetic transformation of poplar leaves. Among them, the Agrobacterium infection solution contains an AAM resuspension medium improved according to the nutritional requirements of the tree species, and the culture medium in the genetic transformation stage of the poplar leaves contains TDZ and Carb. The improved AAM resuspension medium can fully improve the activity of the bacterial liquid and the transformation efficiency, accelerate the growth of buds and increase the budding rate and positive rate. The special combination with Carb can effectively ensure the positive rate and inhibit the excessive growth of Agrobacterium. TDZ accelerates leaf cell differentiation, can directly grow bud points without callus tissue, shortens the transformation cycle, and achieves efficient transformation. The positive rate can be as high as 62.5%, which can accelerate the breeding process of drought-resistant poplars.

The utility model discloses a device for limiting plant overgrowth under a photovoltaic assembly, which belongs to the technical field of photovoltaic construction and comprises a connecting assembly and a limiting assembly, the connecting assembly and the limiting assembly are positioned below a photovoltaic panel of the photovoltaic assembly, the connecting assembly is detachably connected with a vertical column of the photovoltaic assembly, and the limiting assembly is detachably connected with the vertical column of the photovoltaic assembly. The limiting assembly is horizontally arranged and connected with a stand column of the photovoltaic assembly through a connecting assembly, and the limiting assembly is used for limiting upward growth of plants below the photovoltaic assembly. When plants grow to a certain height, the plants are shielded and limited by the limiting assembly, and the plants grow all around and are prevented from continuing to grow upwards. Therefore, the problems of fire hazards caused by overgrowth of plants and influence on generating capacity due to the fact that the plants are too flourish to block sunlight are reduced.

This invention relates to the field of crop cultivation and discloses a method for strengthening seedlings of Solanaceae crops and the application of furazolidone. The method involves preparing an aqueous solution of furazolidone at a concentration of 3 mg / L to 6 mg / L, and spraying it onto the surface of the seedling trays after sowing but before emergence, until the trays are moist. Alternatively, it can be sprayed onto the seedlings when the cotyledons have expanded, until the leaves are moist. This invention allows for earlier application of the seedling-strengthening spray, prior to emergence after sowing, without inhibiting normal seed germination, avoiding excessive growth during the cotyledon stage, and especially inhibiting excessive elongation of the hypocotyls and epicotyls. It achieves a seedling-strengthening effect that other techniques cannot achieve. The method is simple to operate, uses readily available raw materials, requires minimal dosage, has low cost, is safe for seedlings, shortens the seedling period, eliminates the need for hardening-off, and saves labor, water, and fertilizer.

The invention relates to the technical field of agricultural biology, and provides an efficient and stable canna edulis germplasm resource in-vitro preservation method which comprises the following steps: step 1, selecting healthy and pollution-free sterile canna edulis test-tube plantlets; 2, NAA, BA, kanamycin, hygromycin B, sucrose and agar are added to a B5 culture medium formula, and a culture medium is obtained; 3, the test-tube plantlets are inoculated into a culture medium, the culture medium is placed in an artificial climate box to be cultured, and subculture is conducted once every 6-8 months (the generations are controlled within 6 generations); 4, in the culture process, the growth condition of the test-tube plantlet is recorded regularly, and meanwhile, a conventional culture medium without a growth inhibitor is set as a control group. By optimizing a culture medium formula and controlling culture conditions, excessive growth of test-tube plantlets is effectively inhibited, formation of short and strong seedlings is promoted, and functions of root systems and leaves are enhanced, so that long-term, stable and efficient germplasm resource preservation is realized, the transplanting survival rate is remarkably increased, and the method has important application value.

This invention discloses a method for dynamic optimization and control of environmental parameters for graded potato seedlings, relating to the field of agricultural information technology. Based on IoT sensors deployed in the target area, data on stem diameter, chlorophyll content, and plant height of potato seedlings are collected. K-means clustering is used to classify the seedlings into three categories: weak, medium, and strong. The duration of the initial photoperiod is set. Gradient photoperiod experiments are conducted on each category of potato seedlings, using stem elongation rate and chlorophyll content as constraints. This invention overcomes the limitations of traditional fixed photoperiod control by using graded photoperiod modeling and dynamic optimization via ant colony optimization. It sets the initial photoperiod range based on the physiological differences of seedlings, and constructs a photoperiod-growth rate response surface model by combining stem elongation rate and chlorophyll content constraints. This quantifies the impact of different photoperiod combinations on seedling growth, ensuring precise matching between photoperiod and seedling needs, avoiding excessive vegetative growth or premature senescence, and improving the stability of growth rhythm and resource utilization efficiency.

The invention relates to the technical field of application of plant growth regulators to regulation of cotton growth, in particular to application of a plant growth regulator containing chlormequat chloride and uniconazole to regulation of cotton growth, 1000 parts by weight of the plant growth regulator comprises the following components in parts by weight: 70-490 parts of chlormequat chloride, 10-70 parts of uniconazole, 50-250 parts of auxiliaries and the balance of water, wherein the weight ratio of chlormequat chloride to uniconazole is 7: 1. The plant growth regulator disclosed by the invention can effectively control vigorous growth, increase thickness, inhibit height and shrink sections, so that early peach setting, more flowers, more peaches and less shedding are realized, and effective substances for vegetative growth are transferred to reproductive growth, so that the purposes of high yield and quality improvement of cotton are achieved, and the plant growth regulator is safe to cotton, safe to the environment and small in residue.

The invention provides a cucumber seed coating agent, a preparation method and application, and belongs to the technical field of crop seed coating agents. The cucumber seed coating agent comprises the following active ingredients in percentage by weight: 0.3%-0.5% of sodium hypochlorite, 0.006%-0.01% of chlormequat chloride, 0.012%-0.018% of boric acid and inactive ingredients. Cucumber seeds are coated through the combination of sodium hypochlorite, chlormequat chloride and boric acid, germination of the cucumber seeds can be promoted, the germination rate and germination potential of the cucumber seeds can be improved, the leaf area and chlorophyll content of cucumber seedlings can be increased, excessive growth of the seedlings can be inhibited, and strong seedlings can be cultivated.

This invention discloses a culture medium for dwarfing *Cibotium barometz*, belonging to the field of plant tissue culture technology. The culture medium comprises the following components: 1 / 6-1 / 3 MS, sucrose 2-6 g / L, 6-benzylaminopurine 0.03-0.15 mg / L, agar 4-8 g / L, indolebutyric acid 0.01-0.08 mg / L, paclobutrazol 0.25-0.8 mg / L, and activated carbon 0.3-1.0 g / L. This culture medium can synergistically inhibit excessive petiole growth and delay leaf senescence, thus solving the technical problem that *Cibotium barometz* cannot maintain its miniature and graceful morphology and require no maintenance in a closed microenvironment for a long period.