13 results about "Gummosis" patented technology

The invention belongs to the field of strains, and particularly relates to a botryosphaeria dothidea attenuated strain ZMXX551-1 containing a penicillium-producing virus BdCV2 and application of the botryosphaeria dothidea attenuated strain. The attenuated strain ZMXX551-1 is preserved in the China General Microbiological Culture Collection Center on June 25, 2025, the preservation number is CGMCC NO.42040, the genome of the penicillium virus BdCV2 is composed of four dsRNAs, the penicillium virus BdCV2 has a remarkable effect in the aspect of weakening the pathogenicity of botryosphaeria dothidea, the attenuated strain ZMXX551-1 is used for treating peach seedlings, the length of scabs is inhibited by 8.63%, and the length of the scabs is inhibited by 8.63%. After 3 months, the scab of the treatment group begins to heal, and the scab of the control group is continuously increased, which indicates that the peach seedling inoculated with the strain ZMXX551-1 grows well; therefore, the strain ZMXX551-1 can inhibit expansion of peach gummosis scabs and improve plant growth, and has biological control potential.

The invention belongs to the technical field of agricultural compositions, and particularly relates to an agricultural composition for promoting disease resistance and quality improvement of fruit trees. The active ingredients of the agricultural composition are geraniol and S-abscisic acid, a field test shows that the mass ratio of geraniol to S-abscisic acid is (8-16): (15-7), the geraniol and S-abscisic acid have a synergistic effect, and the geraniol and S-abscisic acid can remarkably improve the single fruit weight and soluble solids of facility cherries and peaches, improve the anthocyanin content in the facility cherries and improve the vitamin C content in the peaches, so that the yield of the facility cherries and peaches is increased. Meanwhile, the morbidity of the gummosis of the fruit trees is remarkably reduced, and the disease resistance of the tree bodies is enhanced. The invention provides more solutions for solving the problems of frequent gummosis and fruit quality decline in fruit tree cultivation.

The invention discloses bacillus velezensis C1-17 which is preserved in the China Center for Type Culture Collection on October 22, 2025, the address is Wuhan City, Hubei province, and the preservation registration number is CCTCC NO: M 20252290. The bacillus velezensis C1-17 has been preserved in the China Center for Type Culture Collection (CCTCC) on October 22, 2025, the address is Wuhan City, Hubei province, and the preservation number is CCTCC NO: M 20252290. The bacillus velezensis C1-17 fermentation liquor and the sterile filtrate of the bacillus velezensis C1-17 fermentation liquor provided by the invention can effectively inhibit the growth of pathogenic bacteria such as peach brown rot pathogen, gray mold, peach anthracnose, peach gummosis, peach scab and the like. The bacillus velezensis C1-17 provided by the invention can be used for effectively preventing and treating sterol demethylation inhibitor sensitive strains and resistant strains of peach monilinia.

The invention provides a PCB signal integrity analysis method, device and equipment and a storage medium, and the method comprises the steps: building a finite element model of a PCB according to the design parameters of the PCB, the finite element model comprising a cavity structure, a top gummosis shape and a structural region; acquiring electromagnetic field data of the finite element model, wherein the electromagnetic field data comprises electromagnetic field intensity distribution and characteristic impedance; calculating a first energy loss diagram according to the electromagnetic field intensity distribution and the structural region, calculating and generating a second energy loss diagram according to a finite element model and theoretical minimum loss, and determining an energy optimization diagram according to the first energy loss diagram and the second energy loss diagram; constructing a target function according to the energy optimization diagram and a preset performance index, and obtaining preset first mapping data, second mapping data and third mapping data; and determining a first optimization parameter of the cavity structure and a second optimization parameter of the top gummosis shape according to the target function, the first mapping data, the second mapping data and the third mapping data.

The invention belongs to the field of plant gene engineering, and discloses an application of peach transcription factor PpLBD1 in regulation and control of peach susceptibility, the PpLBD1 gene is a transcription factor separated and cloned from Prunus persica (L.) Batsch, and the sequence of the PpLBD1 gene is as shown in SEQ ID NO.1. The PpLBD1 gene is a transcription factor which is separated and cloned from Prunus persica (L.) Batsch. The PpLBD1 gene cloned by the invention is used for constructing overexpression and interference vectors, the overexpression and interference vectors are respectively introduced into peach leaves through agrobacterium-mediated instantaneous conversion, and biological function verification is carried out after the peach leaves are inoculated with gummosis bacteria JSZ01 (Neofusicoccum parvum), which shows that the PpLBD1 gene cloned by the invention has the function of negatively regulating the peach gummosis resistance. The development and utilization of the genetic resource are beneficial to reducing the agricultural production cost and realizing environmental friendliness.

The invention discloses a microbial agent for preventing and treating cherry branch and leaf diseases and a preparation method thereof, and belongs to the field of agricultural microorganisms, and the method comprises the following steps: strain screening and activation, amplification culture, microbial agent compounding and stability treatment. The invention provides a microbial agent for preventing and treating cherry branch and leaf diseases and a preparation method thereof, aiming at the defects of long effective time, insufficient targeting property and weak stress resistance of a microbial agent in a high-incidence environment of cherry leaf spot disease and gummosis in the prior art, so that the long-acting activity of the microbial agent in a high-temperature, rainy and high-humidity environment is realized; meanwhile, the targeted antagonism capability on target pathogenic bacteria is improved.

The invention relates to an application of LtSCRE11 protein in regulating and controlling resistance of peach trees to gummosis. Micromolecular cysteine-rich protein LtSCRE11 secreted by peach gummosis pathogenic bacteria, namely, dispora pirocolor, is screened by a method of combining a genome and a plant bacterium interaction transcriptome with bioinformatics. It is found through injection of nicotiana benthamiana that LtSCRE11 can induce ROS bursting and callus accumulation, and injection of purified LtSCRE11 protein into nicotiana benthamiana and peaches can induce expression of plant immune related genes and MAPK protein phosphorylation signals, so that resistance of nicotiana benthamiana and peaches to pathogenic bacteria is induced. The invention proves that the LtSCRE11 plays a positive role in coping with the infection of pathogenic bacteria by plants, the resistance of peaches to the pathogenic bacteria of the gummosis can be remarkably improved by injecting the LtSCRE11 protein into leaves of peach trees, and the LtSCRE11 protein is expected to be developed into a novel immune resistance inducer target for preventing and controlling the gummosis of the peach trees.

The application discloses a KASP molecular marker for predicting resistance of peach tree to gummosis and application thereof, and relates to the field of molecular biology. Four KASP molecular markers related to the resistance of peach to gummosis and primer combinations thereof are developed for the first time, and the KASP molecular markers are verified and evaluated in combination with phenotype data, and 510 peach varieties are typed by using the KASP molecular markers and the primer combinations, so that the resistance identification efficiency of peach germplasm is improved, and theoretical and technical support is provided for molecular marker assisted breeding.

The application relates to application of a compound Questiomycin A in prevention and treatment of plant diseases. The compound not only effectively antagonizes Agrobacterium tumefaciens, but also has high efficient antagonistic activity on botrytis, brown rot and gomme.

The utility model discloses a device for preventing and treating pepper gummosis by using bacillus subtilis fermentation filtrate, which relates to the technical field of prevention and treatment of pepper gummosis and comprises two universal ball seats which are respectively arranged on two sides of the lower surface of a vehicle plate; the two first telescopic rods are respectively arranged on the universal ball bodies of the two universal ball seats; the two side wheels are arranged at the ends, away from the universal ball seat, of the two first telescopic rods correspondingly; the pesticide box is arranged on the vehicle plate, and a pesticide inlet pipe is arranged on the side wall of the pesticide box; the two liquid outlet pipes penetrate through the left side wall and the right side wall of the pesticide box respectively, and the ends, extending into the pesticide box, of the liquid outlet pipes are connected with the submersible pump in the pesticide box; the two spraying assemblies are arranged on the left side wall and the right side wall of the pesticide box respectively; the device has the advantages of being convenient to use, reducing the labor intensity of workers and the like.

This invention provides a pharmaceutical composition for controlling peach gummosis and its application, belonging to the field of induction-based disease control technology. The pharmaceutical composition for controlling peach gummosis includes separately packaged salicylic acid and a chemical fungicide; the chemical fungicide includes hexaconazole and prochloraz; the mass ratio of hexaconazole to prochloraz is (4-8):1. This invention alternates the application of salicylic acid with a specific ratio of hexaconazole and prochloraz to peach trees. During the growing season, exogenous application of salicylic acid enhances the plant's resistance to various diseases. Combined with the use of chemical fungicides, this reduces the frequency of fungicide application. Simultaneously, due to the inducing effect of salicylic acid, it also prolongs the effective period of the chemical agents.

The invention relates to an application of a PpLecRK-IX.1 gene in improving the resistance of peach trees to gummosis, which is characterized in that a phytolectin receptor-like kinase gene PpLecRK-IX.1 is screened from peaches by using a yeast two-hybrid library by taking a pathogen-related molecular pattern (PAMP) protein secreted by peach gummosis pathogenic bacteria as a bait. Through agrobacterium tumefaciens-mediated transient overexpression, the gene is overexpressed in peach seedlings, and the resistance of leaves of the peach seedlings to peach gummosis is obviously enhanced; the target gene is silent in peach seedlings by using a VIGS technology, the resistance is obviously weakened, and the gene is proved to play an important role in peach gummosis resistance and can be used as a molecular marker or a gene resource to improve the resistance of peach trees to gummosis.

This invention relates to PpERF98 The application of genes in regulating resistance to peach gummosis: This invention utilizes genetic engineering techniques to... PpERF98 A specific target fragment was obtained from the open reading frame sequence of a gene, and primers for amplification of the target fragment were designed. The target fragment was fused with the virus-mediated gene silencing (VIGS) vector pCaRNA3 via enzyme digestion to successfully construct the VIGS vector. The VIGS vector was then transformed into peach plants using Agrobacterium-mediated transformation, reducing the... PpERF98 The expression of the gene was used to obtain plant materials resistant to gummosis; the full-length open reading frame primers were SEQ ID NO: 1 and SEQ ID NO: 2. This invention improves the resistance of peach trees to gummosis pathogens through transgenic methods, significantly reduces the incidence of gummosis, and reduces the economic losses caused by peach gummosis.