31 results about "Blueberry Root" patented technology

The present invention discloses a preparation for promoting strontium absorption in blueberries, belonging to the technical field of blueberry cultivation. The preparation consists of citric acid, potassium fulvate and Trichoderma harzianum. On the one hand, the preparation promotes the biological availability of strontium in strontium-rich soil, and on the other hand, by improving soil air permeability, it promotes the growth of blueberry roots and enhances the strontium absorption capacity of blueberry roots, thereby increasing the strontium content in blueberry fruits. The preparation for promoting strontium absorption in blueberries provided by the present invention has a simple formula, a simple process, and the raw materials used are all common raw materials, with a low cost. Applying the preparation for promoting strontium absorption in blueberries provided by this application can not only increase the strontium content in blueberry fruits, but also increase the yield of blueberries, which is of great significance for blueberry cultivation.

The application discloses a blueberry sorting equipment, and relates to the field of blueberry sorting, which comprises a hardness sorting mechanism and a differential conveying mechanism for conveying adjacent blueberries to the hardness sorting mechanism at intervals, the hardness sorting mechanism comprises a fruit conveying channel, a sorting conveying channel and a circulating hardness sorter, the width of the fruit conveying channel is only suitable for a single blueberry of a corresponding size to pass through, the circulating hardness sorter comprises a plurality of elastic energy storage flippers located on the same circle and a rotating assembly provided with the plurality of elastic energy storage flippers, the plurality of elastic energy storage flippers are cyclically rotated to continuously receive the blueberries one by one, the elastic energy storage flippers are used to gently receive the blueberries, then the elastic energy storage flippers release elastic potential energy to change the conveying path of the blueberries, the blueberries are conveyed to the corresponding sorting conveying channel according to the hardness, and thus the damage of the blueberries caused by the hardness sorting of the circulating hardness sorter is reduced.

This invention relates to the field of medicinal chemistry, specifically to a capsaicin-like compound containing isopropanolamine, its preparation method, and its application. This type of compound has a structure as shown in general formula (I). The invention uses capsaicin and isopropanolamine as pharmacophores, connecting the two pharmacophores with different bridging chains to synthesize a series of capsaicin-like derivatives containing isopropanolamine. These compounds exhibit excellent inhibitory effects on plant pathogenic bacteria such as rice bacterial blight, citrus canker, rice bacterial leaf streak, and kiwifruit canker; and plant pathogenic fungi such as cucumber gray mold, pepper wilt, rapeseed sclerotinia rot, eggplant verticillium wilt, wheat scab, potato late blight, blueberry root rot, grape coccidioidomyces, dragon fruit anthracnose, and rice sheath blight, providing an important scientific basis for the research and development of new pesticides.

The invention relates to a blueberry culture medium and a preparation method of the blueberry culture medium. The blueberry culture medium is prepared from, by volume, 40%-50% of decomposed organic matter, 20%-30% of natural mineral structuring agent, 5%-10% of biochar, 10%-15% of peat soil, 4%-6% of functional additive, 1%-2% of microbial agent and 0%-10% of rural soil. The core raw material decomposed organic matter is derived from agricultural waste, the cost is low, waste can be turned into wealth, and expensive peat soil is saved. The natural mineral structuring agent retains water and fertilizer, has an excellent physical structure, ensures the looseness and air permeability of the blueberry culture medium, and is beneficial to the growth of blueberry root systems. The functional additive enables the blueberry culture medium to maintain stable acidity and can provide mineral nutrition. The microbial agent can activate phosphorus, potassium and other elements in soil, fix nitrogen, generate plant stimulant for promoting growth, inhibit soil-borne diseases and form a healthy rhizosphere microecosystem.

The present application relates to a kind of containing piperazine derivative structure and its application.The compound has the structure as one of general formula (I-III) shown: The compound is as rice bacterial leaf blight, tobacco bacterial wilt, cucumber bacterial leaf blight, konjac bacterial leaf blight, citrus bacterial wilt, grape bacterial wilt, tomato bacterial wilt, kiwi bacterial wilt, apple bacterial wilt, cucumber bacterial wilt, pepper wilt pathogen, sclerotinia sclerotiorum, fusarium graminearum, potato late blight pathogen, blueberry root rot pathogen and the like has good inhibitory effect.

The invention discloses a blueberry planting device based on water and fertilizer integration, which comprises a planting frame and further comprises a soil loosening assembly, a connecting frame is fixedly mounted at the bottom of the planting frame, and a square hole is formed in the bottom of the planting frame; the soil loosening assembly comprises a soil loosening frame, planting frames, reset springs, elastic telescopic rods, circulation holes, circulation plates, circulation grooves, soil loosening plates and through holes, the soil loosening frame is fixedly installed at the bottom of the inner wall of the connecting frame, the planting frames are slidably installed on the front wall and the rear wall of the soil loosening frame, and the reset springs are arranged between the soil loosening frame and the planting frames. The planting soil in the planting frame is extruded by the soil loosening plate to move upwards and loosen the soil, the planting soil is loosened through the thrust of upward movement of the soil, the situation that a soil loosening tool makes direct contact with a root system can be reduced, fragile fibrous roots of blueberries are protected, and moisture and nutrients are easier to diffuse after soil loosening. The method has the characteristic of preventing blueberry root damage caused by soil loosening.

The utility model provides a blueberry tissue culture seedling root system growth promoting device which comprises a culture box and a seedling culture basin and further comprises a lifting plate arranged in the culture box in a lifting mode, and the seedling culture basin is installed on the lifting plate. The two-way threaded rod is rotationally arranged in the cultivation pot; the two movable blocks are arranged at the two ends of the two-way threaded rod in a threaded and sleeving mode correspondingly. The two connecting blocks are fixedly connected to the lower end face of the lifting plate; one end of each connecting rod is hinged to the adjacent connecting block, and the other end of each connecting rod is hinged to the adjacent movable block; the camera is arranged on one side of the cultivation pot and used for monitoring the contact condition of the root system of the tissue culture seedling and the nutrient solution. The lifting plate can lift to drive the seedling raising plate to lift, so that blueberry root systems are in accurate contact with a nutrient solution in the cultivation box; and one end of the shooting end of the camera penetrates through the inner side of the cultivation box, so that the contact visualization of the blueberry root system and the nutrient solution in the cultivation box is realized.

The invention discloses a strip-type substrate cultivation method for blueberries, the adopted substrate is richer, raw materials capable of being used for strip-type substrate cultivation can replace crop straw, pine needles, wood residues, medicine residues, bagasse, cassava residues, peanut shells, cotton seed hulls, barks, rice husks and the like of peat and coco coir, and the raw materials are easy to obtain and lower in cost; before the strip-type substrate is laid, the permeation pipes for preventing water accumulation are embedded in advance, so that redundant water in the blueberry planting process can be drained through the underground permeation pipes, and the situation that the growth of blueberry root systems is affected due to the fact that the water content of the blueberry cultivation substrate is too high is avoided; the problems that the humidity in a greenhouse is high, botrytis cinerea and other diseases are easy to breed, the diseases are difficult to radically treat and the percolate is difficult to dispose due to the fact that the percolate in blueberry substrate cultivation is retained in underground soil in the greenhouse for facility cultivation are solved.

The utility model belongs to the technical field of blueberry potting planting, and discloses blueberry matrix potting discharged liquid recycling equipment. Comprising a plurality of potted plants, a plurality of water collecting basins, a water storage tank, a water pump, a first connecting pipe, a second connecting pipe, a branch pipe, a valve, a pesticide injection pipe and an anti-backflow assembly, one end of the valve is connected with an annular pipe, spray heads are installed at the bottom of the annular pipe in an array mode, installation frames are installed on the outer side of the annular pipe in an array mode, and the installation frames are fixedly installed at the tops of the potted plants. The filter plate is additionally arranged to filter fertilizer and soil in water, the ventilation holes are formed in the outer sides of the potted plant and the ventilation cylinder, the ventilation effect of the interior and the outer side of the potted plant is improved, the roots of blueberries have sufficient oxygen for breathing, the mode that the annular pipe is assembled on the potted plant is adopted, and uniform water spraying of the spray head is achieved; a valve, a medicine injection pipe and an anti-backflow assembly are additionally arranged on the branch pipe, so that medicine is uniformly sprayed out of the spray head, uniform medicine adding is realized, and the medicine absorption effect is improved.

This utility model belongs to the field of blueberry cultivation technology and provides a ring-shaped drip irrigation device for blueberry cultivation, including an inlet pipe and a ring-shaped assembly. One end of the inlet pipe is connected to the ring-shaped assembly, and the other end is connected to a water source. The ring-shaped assembly includes a head hose, a connecting pipe, a middle hose, and a plug. Multiple connecting pipes are provided, with a middle hose between each adjacent connecting pipe. One end of the connecting pipe is connected to one end of the head hose, and the other end is connected to the plug. The other end of the head hose is fixedly connected to the inlet pipe. The inlet pipe, head hose, connecting pipe, and middle hose are internally connected and form a ring-shaped pipeline structure. A water outlet component is provided on the side of the connecting pipe, located inside the ring-shaped pipeline structure. This utility model's ring-shaped drip irrigation scheme can adapt to the radial distribution characteristics of blueberry roots, improving irrigation efficiency.

The invention is suitable for the technical field of fertilization, and provides a fertilization device for blueberry planting. According to the fertilization device for blueberry planting, the buried fertilization mechanisms are symmetrically arranged on the two sides of the material distributing barrel, precise injection of two rows of blueberry rhizospheres is completed at the same time through one-time walking, the efficiency is doubled compared with a traditional single-point hole-by-hole mode, the labor intensity is remarkably reduced, the fertilization efficiency and the fertilizer utilization rate are improved, and the application range is wide. The method is especially suitable for precise deep application of acidic fertilizers and organic-inorganic compound fertilizers in blueberry planting.

The invention discloses pit digging equipment for blueberry planting, and relates to the technical field of planting pit digging, the pit digging equipment comprises a frame walking along ridges, and one side of the frame is provided with a lifting mechanism. According to the pit digging equipment for blueberry planting, the pit digging mechanism on the front side of the frame is driven by the lifting mechanism to conduct soil taking and pit digging on a blueberry planting area, after pits are dug, a support assembly of the soil loosening mechanism is inserted into the previous dug pit, and a telescopic rod drives the support assembly to drive a sliding plate to move upwards and drive a fixing plate to be opened; therefore, the bent plates and the soil loosening rods are gradually inserted into the inner wall of the pit to form a soil loosening gap, the opened fixing plate is used for carrying out anti-collapse fitting on the inner wall of the pit, and then the lifting mechanism is used for driving the pit digging mechanism and the soil loosening mechanism to lift in opposite directions; the soil loosening mechanism with the rotatable angle can perform multi-angle anti-collapse soil loosening operation on each dug pit, and it is guaranteed that blueberry roots have the wide transverse distribution growth range and the good ventilation growth effect.

The present invention belongs to the technical field of microorganism and plant disease prevention and control, and specifically, relates to a composition for preventing and controlling blueberry root and stem diseases and its application, wherein the composition comprises: a) Bacillus amyloliquefaciens, b) bamboo shoot fiber powder, corn pollen polysaccharide, cattle bone meal, mineral potassium humate and polyglutamic acid, and c) biomass power plant ash; wherein the preservation number of Bacillus amyloliquefaciens is CCTCC NO: M20221206. Applying the composition during the blueberry planting process can significantly reduce the content of fungal toxins such as fusaric acid, fumonisin and trichothecene in the rhizosphere soil of blueberries, increase the content of resistance substances such as salicylic acid, jasmonic acid and phenolic substances in the root system, and reduce the fungal toxins caused by Fusarium solani ( Fusarium solani ), Fusarium equisetum ( Fusarium horsetail ), and / or, Pythium ( Pythium sterile )、Rhizoctonia solani( Rhizoctonia solani )、Fusobacterium spp. Neofusicoccus minor ) to measure the disease index of blueberry rhizome diseases caused by infection, and ultimately achieve effective prevention and control of blueberry rhizome diseases.

The utility model belongs to the technical field of blueberry planting, and provides a blueberry planting irrigation device which comprises a water tank, an irrigation water pipe, a planting pot and an alternate irrigation mechanism. The water tank is communicated with the alternate irrigation mechanism through an output pipe, and a water pump is arranged on the output pipe; the alternate irrigation mechanism is communicated with the multiple irrigation water pipes, the multiple planting pots are arranged in the direction of the irrigation water pipes, and the irrigation water pipes are communicated with the planting pots through branch pipes; the alternate irrigation mechanism is used for alternately supplying water to the plurality of irrigation water pipes in sequence; the water absorption efficiency of soil can be improved in a spaced irrigation mode, and the situation that due to the fact that too much water accumulates on the surface layer of the soil, water drainage is unsmooth, and respiration and growth of blueberry roots are affected is avoided.

The invention belongs to the technical field of microorganisms, and discloses a composite flora for preventing and treating major bacterial diseases of small berries and application of the composite flora. The treatment of the synthetic flora HPGC provided by the invention can antagonize strawberry angular leaf spot bacteria and soil arceobacter meloidofaciens, the bacteriostatic diameters of the synthetic flora HPGC are (27.30 + / -0.15 a) mm and (17.10 + / -0.21 a) mm respectively, and the inhibitory ability of the synthetic flora HPGC is remarkably superior to that of single strain H, P, G and C. According to the present invention, the morbidity of strawberry angular leaf spot and blueberry root cancer can be significantly reduced, the sugar content of blueberry can be significantly increased, and the efficient disease prevention and yield increase effects can be provided for strawberry and blueberry bacterial diseases.

The invention discloses an application of a terpenoid natural product containing an isoprene unit as an agricultural bactericide in plant diseases, the terpenoid natural product containing the isoprene unit is composed of two or more isoprene units, and the terpenoid natural product containing the isoprene unit aims at plant viral diseases such as tobacco mosaic virus, cucumber mosaic virus or potato Y virus; aiming at plant fungal diseases such as cucumber gray mold, pepper fusarium wilt, sclerotinia rot of colza, wheat scab, potato late blight, blueberry root rot, botryosphaeria dothidea, pitaya anthracnose, rice sheath blight disease, fusarium SP or colletotrichum capsici; the compound has a good inhibition effect on plant bacterial diseases such as rice bacterial leaf blight, citrus canker, tobacco bacterial wilt, kiwifruit canker or rice bacterial leaf streak. The invention provides new application of terpenoid natural products, and the terpenoid natural products can be used for preventing and treating plant bacterial diseases, fungal diseases and plant viral diseases in the agricultural field.

The application discloses a blueberry planting device based on water and fertilizer integration, which comprises a planting frame, a soil loosening assembly, a connecting frame fixedly installed at the bottom of the planting frame, and a square hole formed in the bottom of the planting frame; the soil loosening assembly comprises a soil loosening frame, a planting frame, a return spring, an elastic telescopic rod, a flow-through hole, a flow-through plate, a flow-through groove, a soil loosening plate and a through hole; the soil loosening frame is fixedly installed at the bottom of the inner wall of the connecting frame; the planting frame is slidingly installed on the front and rear walls of the soil loosening frame; the return spring is arranged between the soil loosening frame and the planting frame; the planting soil in the planting frame is extruded by the soil loosening plate and moves upward to loosen the soil; the planting soil is loosened by the upward moving force of the soil, the direct contact of the soil loosening tool with the root system of the blueberry is reduced to protect the fragile root hairs of the blueberry, and the water and nutrients are more easily diffused after the soil is loosened; the application has the characteristics of preventing the blueberry root system from being damaged due to soil loosening.

The utility model discloses an adjustable irrigation device for blueberry production, which comprises a storage tank buried underground, a water inlet pipe and a lifting pipe penetrate through the upper part of a main body of the storage tank, the top ends of the water inlet pipe and the lifting pipe extend to the upper part of the ground, and the top end of the lifting pipe is connected with an inlet of a lifting pump; a first ball valve and a tee joint are sequentially mounted close to the top end of the lifting pipe from bottom to top, the side of the tee joint is communicated with a pesticide conveying pipe, the pesticide conveying pipe extends to the bottom of the pesticide storage box, and a second ball valve is mounted at the joint of the pesticide conveying pipe and the tee joint; an outlet of the lifting pump is connected with a spraying main pipe, the side portion of the spraying main pipe is connected with a plurality of spraying branch pipes, and spraying heads are installed at the ends, away from the spraying main pipe, of the spraying branch pipes. According to the utility model, the water temperature during irrigation can be close to the soil temperature as much as possible, and damage to blueberry root systems due to overlarge temperature difference is avoided; an irrigation system and a foliar fertilizer spraying system can be combined for use, and the switching and adjusting process of irrigation and spraying is convenient.

The invention relates to the technical field of computer vision, in particular to an image recognition and processing technology applied to agricultural automation and food processing, and discloses an intelligent blueberry sorting method based on an improved YOLO11 segmentation model and monocular positioning, which comprises the following steps: S1, shooting images containing blueberries of different sizes by using an image acquisition device, wherein the blueberries are classified into the following categories according to the diameter: extra-large fruits with the diameter being greater than or equal to 22mm; the diameter of the big fruit ranges from 18 mm to 22 mm; the diameter of the middle fruit ranges from 15 mm to 18 mm; small fruits with the diameter of lt; the thickness is 15 mm; s2, data enhancement processing is carried out on the image, data enhancement comprises brightness adjustment, Gaussian blur and mirror image transformation, the intelligent blueberry sorting method based on the improved YOLO11 segmentation model and monocular positioning overcomes the problem that positioning is inaccurate in fruit overlapping and shielding scenes through traditional rectangular frame labeling, blueberry contours can be accurately extracted, and the accuracy of blueberry sorting is improved. The problem of large diameter calculation error caused by inaccurate bounding box in the traditional method is solved.

The invention discloses application of a carbazole ring-containing natural product as an agricultural bactericide in plant diseases. The carbazole ring natural product has a good inhibition effect on plant bacterial diseases such as rice bacterial blight, citrus canker, tobacco bacterial wilt, kiwifruit canker or rice bacterial streak, and the ellipticine can be used as an innovative medicament for resisting rice bacterial blight, and the medicament shows a remarkable sterilization effect; aiming at plant fungal diseases such as cucumber gray mold, pepper fusarium wilt, sclerotinia rot of colza, wheat scab, potato late blight, blueberry root rot, botryosphaeria dothidea, pitaya anthracnose, rice sheath blight disease, fusarium SP or colletotrichum graminearum and the like, the invention provides a new application of a carbazole ring-containing natural product which can be used for preparing a plant fungicide. The composition can be used for preventing and treating plant diseases in the agricultural field.

This invention discloses a *Trichoderma echinococcus* strain BBR-A and its application in the control of fungal diseases in blueberries, belonging to the field of biological control technology for blueberry fungal diseases. A *Trichoderma echinococcus* strain BBR-A was isolated from the rhizosphere soil of healthy blueberries and deposited at the China Center for Type Culture Collection (CCTCC) on June 4, 2025, with accession number CCTCC NO: M20251239. The *Trichoderma echinococcus* strain BBR-A of this invention significantly inhibits *Botrytis cinerea*, *Alternaria alternata*, and *Fusarium oxysporum*. Microscopic and electron microscopic examination revealed that *Trichoderma echinococcus* hyphae exhibited hyperparasitic phenomena such as entanglement, penetration, and dissolution upon contact with the hyphae of these three pathogens. The incidence of disease in blueberry roots and leaves treated with *Trichoderma echinococcus* was significantly reduced. These experimental results demonstrate that *Trichoderma echinococcus* BBR-A has a significant inhibitory effect on the growth and pathogenicity of blueberry fungal pathogens and can be used as a biological control agent for the control of blueberry fungal diseases, showing good application prospects.

The invention relates to a rhododendron mycorrhizal fungus WF17-2-1, application thereof in blueberry growth promotion and a product thereof, the strain WF17-2-1 can form a mycelium group in epidermal cells of a blueberry root system, significantly improve the growth of the root system, increase the absorption ability of the blueberry to nutrients, promote the synthesis of plant hormones, regulate the growth metabolism of the blueberry and enhance the photosynthesis of the plant, so that the growth of the blueberry is promoted. The strain WF17-2-1 is beneficial to accumulation of nutrient substances such as mineral elements and photosynthetic products of the blueberries, the nutrient value of the blueberries is improved, development of biological fertilizers or growth promoters based on the strain WF17-2-1 is facilitated, and green and efficient development of the blueberry industry is promoted.

The application relates to a rhododendron ericoid mycorrhizal fungus WF17-2-1 and its application and product in the growth promotion of blueberries. The strain WF17-2-1 can form a mycelium cluster on the epidermal cells of the blueberry roots, significantly improves the root growth, increases the nutrient absorption capacity of the blueberries, promotes the synthesis of plant hormones, adjusts the growth metabolism of the blueberries, enhances the photosynthesis of the plants, helps the accumulation of mineral elements and photosynthetic products and other nutrients of the blueberries, improves the nutritional value of the blueberries, and is beneficial to the development of a biological fertilizer or a growth promoter based on the strain WF17-2-1 and the green and efficient development of the blueberry industry.

The invention discloses application of a polyamine compound as an agricultural bactericide in plant bacterial diseases, plant fungal diseases and plant viral diseases. The composition is used for treating rice bacterial leaf blight, rice bacterial leaf streak, citrus canker, cabbage black rot, tomato bacterial leaf spot, kiwi fruit canker, tobacco bacterial wilt, cucumber bacterial angular leaf spot, potato bacterial wilt, soybean bacterial leaf spot, tomato canker, cucumber gray mold, pepper fusarium wilt, sclerotinia rot of colza, wheat scab and potato late blight. The compound provided by the invention has good inhibition effects on root rot of blueberries, botryosphaeria dothidea, pitaya anthracnose, rice sheath blight disease, fusarium SP or colletotrichum sorghum and tobacco mosaic virus. The polyamine compounds mainly comprise spermine and spermidine, are extracts of natural plants, and are environmentally friendly. The invention provides new application of the polyamine compound, the polyamine compound can be used for preventing and treating plant bacterial diseases, plant fungal diseases and plant viral diseases in the agricultural field, and a new way is provided for research, development and creation of new pesticides.

The invention discloses a preparation method and application of an indole oxadiazole aryl thiourea derivative. The compound has a structure as shown in the following general formula: # imgabs0 #. The compound has a good inhibition effect on pathogenic bacteria; the pathogenic bacteria such as leaf blight germs, ralstonia solanacearum, cucumber bacterial blight germs, konjac bacterial blight germs, citrus canker germs, grape canker germs, tomato canker germs, kiwi canker germs, apple canker germs, cucumber botrytis cinerea, pepper fusarium wilt germs, sclerotinia sclerotiorum, wheat gibberellic disease germs and potato late blight germs; the compound has a good inhibition effect on blueberry root rot bacteria and the like, and an important scientific basis is provided for research, development and creation of new pesticides.

The invention belongs to the technical field of microorganism and plant disease prevention and treatment, and particularly relates to a composition for preventing and treating blueberry rhizome diseases and application thereof.The composition is prepared from bacillus amyloliquefaciens, bamboo shoot fiber powder, corn pollen polysaccharide, cattle bone powder, mineral source potassium fulvate and polyglutamic acid and biomass power plant ash; wherein the preservation number of the bacillus amyloliquefaciens is CCTCC (China Center For Type Culture Collection) NO: M20221206. When the composition is applied in the blueberry planting process, the content of mycotoxins such as fusaric acid, fumonisins and trichothecin in blueberry rhizosphere soil can be remarkably reduced, the content of resistant substances such as salicylic acid, jasmonic acid and phenolic substances in a root system can be increased, and the content of the resistant substances such as Fusarium solani, Fusarium equiseti and / or Fusarium solani and / or Fusarium solani and / or Fusarium solani and / or Fusarium solani and / or Fusarium solani and / or Fusarium solani and / or Fusarium solani and / or Fusarium solani and / or Fusarium solani and / or Fusarium solani and / or Fusarium solani can be reduced. According to the method, the disease index of the root and stem diseases of the blueberries caused by infection of bacillus subtilis, pythium sterilum, rhizoctonia solani and Neofusicoccum parvum is calculated according to the disease index of the root and stem diseases of the blueberries, and finally, effective prevention and control of the root and stem diseases of the blueberries are achieved. The method has the advantages that the disease index of the root and stem diseases of the blueberries caused by infection of bacillus subtilis, pythium sterilum, rhizoctonia solani and Neofusicoccum parvum is calculated according to the disease index of the root and stem diseases of the blueberries;

A fertilizing device for blueberry planting relates to the technical field of blueberry planting and comprises a pressurizing barrel, a hose, a handle and a charging pipe, the pressurizing barrel is composed of a water barrel, a water adding pipe, a charging barrel and a pressurizing pump, the upper end face of the water barrel is provided with the water adding pipe and the charging barrel which are communicated with the water barrel, the water adding pipe is provided with a first barrel cover in threaded connection, and the upper end of the charging barrel is provided with a second barrel cover in threaded connection. A pressurizing pump is arranged on the side face of the bucket, a hose is arranged at the bottom of the side face of the bucket, a handle is arranged on the hose, a feeding pipe is arranged on the handle, and the lower end of the feeding pipe is inserted into blueberry root soil; the root irrigation device is high in practicability and very convenient to use, and the charging barrel is arranged in the pressurizing barrel, so that the fed chemical fertilizer can be conveniently quantified, and the concentration of the fertilizer during root irrigation is accurately controlled; by arranging the sleeve and the pedal on the feeding pipe, the lower end of the feeding pipe can be conveniently inserted into a soil layer, and meanwhile soil is prevented from being mixed into the feeding pipe through the first through hole and the second through hole.

The invention discloses a breeding method for improving the drought resistance of blueberries, which comprises the following step of: overexpressing poplar mevalonate diphosphate decarboxylase genes in the blueberries by an agrobacterium-mediated method. The overexpression plant can increase the root length, the root diameter and the root volume of the blueberry under the drought stress condition; the conductivity of the blueberry roots is reduced; the content of malondialdehyde in the blueberries is reduced; the hydrogen peroxide content of blueberries is reduced; the carbon dioxide assimilation rate of the blueberries is increased; the proline content of the blueberries is increased; the superoxide dismutase of the blueberries is improved; the blueberry peroxidase is improved. The method has an application prospect.

The invention discloses zingiberone compounds containing an isopropanolamine substructure as well as a preparation method and application of the zingiberone compounds. The compound has the effects on plant pathogenic bacteria such as Xanthomonas oryzae pv. Oryzae, Xanthomonas citri, Xanthomonas oryzae pv. Oryzae and Kiwi berry canker; the plant pathogenic fungi such as cucumber gray mold, pepper fusarium wilt, sclerotinia rot of colza, eggplant verticillium wilt, wheat scab, potato late blight, blueberry root rot, botryosphaeria dothidea, pitaya anthracnose or rice sheath blight disease have an excellent inhibition effect. Part of the compounds show excellent inhibitory activity on Xanthomonas oryzae pv. Oryzae, EC50 of the compounds is 3.55-9.96 mu g / mL, and the compounds show excellent inhibitory activity on Xanthomonas citri pv. Oryzae and Xanthomonas oryzae pv. Oryzae, and can be used for preparing pesticides for resisting plant pathogenic bacteria.

The invention discloses application of cyclic terpenoid natural products and derivatives thereof as agricultural bactericides in plant diseases. The cyclic terpenoid natural products and the derivatives thereof have good inhibition effects on plant bacterial diseases such as rice bacterial leaf blight, citrus canker, tobacco bacterial wilt, kiwifruit canker or rice bacterial streak. The plant virus disease is tobacco mosaic virus; aiming at plant fungal diseases such as cucumber gray mold, pepper fusarium wilt, sclerotinia rot of colza, wheat scab, potato late blight, blueberry root rot, botryosphaeria dothidea, pitaya anthracnose, rice sheath blight disease, fusarium SP or colletotrichum capsici and the like, the compound can be used for preparing a plant fungicide. The invention provides new application of the cyclic terpenoid natural product and the derivative thereof, the cyclic terpenoid natural product and the derivative thereof can be used for preventing and treating plant diseases in the agricultural field, and a new way is provided for research, development and creation of new pesticides.