64 results about "Gibberella zeae" patented technology

The invention disclose a pyridine salt compound containing 1,3,4-oxadiazolyl (thiadiazolyl) and a preparation method and application thereof. The compound is of the structure shown in the general formula (I). Based on the 1,3,4- oxadiazole (thiadiazole) thioether (sulfoxide or sulfone) compound, a pyridine base capable of improving the biological activity of the target compound is introduced into the system, and a series of 1,3,4- oxadiazole (thiadiazole) oxygen ether, thioether, sulfoxide or sulfone amphipathic molecules containing pyridine salt are synthesized. It is found that the compound has the good restraining effect on pathogenic bacteria and fungi such as Xanthomonas oryzae pv. oryzae, Ralstonia solanacearum, Xanthomonas axonopodis pv. citri, Gibberella zeae, Phytophythora infestans, Rhizoctonia solani, Borrytis cinerea, Fusarium oxysporum and Phytophythora infestans, and provides an important scientific foundation for new pesticide research, development and creation.

The invention relates to burkholderia cepacia, and a cultivation method and an application thereof, and belongs to the field of plant protection (microbial pesticide). A preservation number of the burkholderia cepacia is CGCC No. 5384. According to the cultivation method, fermentation conditions are as follows: an LB culture medium is used; liquid volume is 50 mL; 1 mL of 2-day old seed strain is added; and the strain is cultured for 20-24 h at a temperature of 25-30 DEG C and at a rotation speed being 200 r/min. The burkholderia cepacia has significant inhibition effects for rhizoctonia solani, pyricularia oryzae, collectotrichum musae, fusarium oxysporum f. sp. cubense, gibberella zeae, peronophythora litchi, ceratocystis adiposum, fulvia fulva, xanthomonas oryzae pv. oryzae, xanthomonas oryzae pv. oryzicola and the like, can be used for biological control of plant pathogenic bacteria, has the advantages of low toxicity, easy degradation, environment friendliness and the like, and has wide application prospects.

The invention discloses bacillus amyloliquefaciens and application thereof in preparation of antibacterial agents for plant pathogenic fungi. The bacillus amyloliquefaciens LM-Y is separated from rhizosphere soil of diseased peach plants. Compared with the common biocontrol fungi, the bacillus amyloliquefaciens does not produce sensitization spores and is safe to humans, livestock, fruits and vegetables and environmental-friendly. The bacillus amyloliquefaciens LM-Y disclosed by the invention has obvious antagonistic effects on multiple pathogenic fungi such as monilinia fruticola, gibberella zeae, grey mould germs of strawberry and the like, has an inhibition rate of 80% or higher on the monilinia fruticola, has the antibacterial rate higher than that of the conventional biocontrol fungi by about 10% and has great research and development potential. The bacillus amyloliquefaciens LM-Y disclosed by the invention has an obvious effect for controlling the monilinia fruticola, has the field trial control effect of 78.5%, is simple in production process and has very wide application prospects in biocontrol of plant diseases.

The invention discloses a soybean rhizosphere azotobacter for producing activated calcium carbonate (ACC) and realizing the antagonistic effect on various pathogenic fungi and a purpose thereof. The soybean rhizosphere azotobacter is Burkholderia sp. GDSD571 and has the preservation number being CGMCC No.5039 in General Microbiology Center of China Microbial Strain Preservation Management Committee. The Burkholderia sp. GDSD571 CGMCC No.5039 provided by the invention has high nitrogen fixation activity and ACC ammonialyase activity, can realize the effective antagonistic effect on gibberella zeae, sclerotinia sclerotiorum and verticillium dahliae and has wide application prospects in nitrogen fixation microbial agent and microbial organic fertilizer production.

Four yeasts (NRRL Y-30213, NRRL Y-30214, NRRL Y-30215, and NRRL Y-30216) and 1 bacterium (NRRL B-30212) have been identified as being superior antagonists capable of suppressing Fusarium head blight (head scab) in cereals, particularly in wheat and barley. Fusarium head blight is primarily caused by the fungus Gibberella zeae (anamorph=Fusarium graminearum).

The invention relates to a biocontrol pseudomonas sp. and an application thereof, specifically to a biocontrol strain GZ9 with a preservation number of CCTCC M 20191037. The strain has a significant inhibition effect on botrytis cinerea, and shows a good inhibition effect on phytophthora capsici, magnaporthe grisea and gibberella zeae. The fermentation liquor of the strain has a good control effect on tomato gray mold, and can reach a control effect of 78.66%. Thus, the strain has good biocontrol application prospect.

The invention discloses an antiseptic composition. The active ingredients of the composition comprise 2-cyano-3-amino-3-phenylancryic acetate and propineb in weight percent ratio of 10-70:70-10. The active ingredients are added with one or more of dispersant, wetting agent, disintegrant, antifreeze agent, defoaming agent, thickener and filler or deionized water to prepare a wettable powder, water dispersible granules or a suspending agent. The compound composition of the invention is a novel compound antiseptic which is high in efficiency, low in cost and low in resistance risks. The composition can be used in the prevention and control of diseases of fruit trees and vegetables, particularly altemaria mali Roberts, grape downy mildew and gibberella zeae. The composition has an effect obviously better than those of single formulations of the 2-cyano-3-amino-3-phenylancryic acetate and the propineb.

The invention discloses a rice endotrophic azotobacter for producing activated calcium carbonate (ACC) and realizing the antagonistic effect on fusarium graminearum and a purpose thereof. The rice endotrophic azotobacter is Burkholderia sp. GDSD125 and has the preservation number being CGMCC No.5038 in General Microbiology Center of China Microbial Strain Preservation Management Committee. The Burkholderia sp. GDSD125 CGMCC No.5038 provided by the invention has high nitrogen fixation activity and ACC ammonialyase activity, can realize the effective antagonistic effect on gibberella zeae and has wide application prospects in nitrogen fixation microbial agent and microbial organic fertilizer production.

The invention discloses a pesticide composition containing fluconazole hydroxylamine and prochloraz and application thereof. The pesticide composition comprises effective components; the effective components are fluconazole hydroxylamine and prochloraz; the mass ratio of fluconazole hydroxylamine to prochloraz is 20:1 to 1:20. The invention further discloses the application of the pesticide composition containing fluconazole hydroxylamine and prochloraz to the treatment of fusarium head blight. The pesticide composition disclosed by the invention has the benefits that the respective potential drug resistance risk of gibberella zeae to fluconazole hydroxylamine and prochloraz is reduced; after fluconazole hydroxylamine and prochloraz are combined, an obvious synergistic effect exists between fluconazole hydroxylamine and prochloraz; the effect on prevention and treatment of the fusarium head blight is significant.

Using crossbred segregating populations of two-rowed and six-rowed barley cultivars, the row type of individual plants was precisely determined. The results indicate that row type is controlled by a single gene. In addition, it was discovered that molecular markers linked with this gene could be used to identify whether a test barley or related Triticeae plant is two-rowed or six-rowed. Furthermore, molecular markers can be used to identify Fusarium head blight resistance, which is linked with the two-rowed or six-rowed gene.

The present application concern the isolation of a peptidylarginine deiminase enzyme (EC 3.5.3.15) from Gibberella zeae (also called Fusarium graminearum). The application also discloses citrullinated proteins and peptides produced enzymatically using said arginine deiminase and uses of such citrullinated proteins and peptides in foodstuff. The present invention relates to a modified protein, peptide or protein hydrolysate wherein at least 15%, preferably at least 30%, more preferably at least 45%, still more preferably at least 60%, and most preferably at least 80% of the arginine residues which are originally present in the protein, peptide or protein hydrolysate is transformed into a citrulline residue.

An anti-phytopathogenic fungi activity psoralen flavanone relates to a compound, in particular to anti-phytopathogenic fungi activity psoralen flavanone. The preparation process of the compound comprises drying psoralen seeds, coldly soaking and extracting industrial alcohol four times, decompressing and condensing leachate to obtain alcohol extract, mixing solution with appropriate amount of water, extracting with petroleum ether and acetic acid ethyl ester in turn, taking acetic acid ethyl ester to extract position extract, conducting silica gel column chromatography, eluting in gradient with petroleum ether-acetic acid ethyl ester, separating to obtain psoralen flavanone (petroleum ether: acetic acid ethyl ester =85:15). The compound can be used as bactericide to prevent various plant diseases such as valsa mali, physalospora piricola nose, pyricularia oryzae, rhizoctonia solani AG-1 IA, cucumber fusarium oxysporum, gibberella zeae, cucumber anthracnose and phytophthora parasitica and the like.

The invention discloses a compound bactericide for controlling wheat scab and application thereof. The compound bactericide comprises phenamacril and ipconazole. A weight ratio of the phenamacril to the ipconazole is 1-40:40-1. The compound bactericide is synergic for inhibiting the growth of Gibberella zeae. The invention also discloses application of the compound bactericide in controlling wheat scab, the effect of controlling wheat scab can be significantly improved, the resistance of Gibberella zeae to the phenamacril can be delayed, wheat powdery mildew, rust disease and banded sclerotial blight are also treated, pesticide usage is greatly reduced, the cost is reduced, environmental pollution and pesticide residue are reduced, and the compound bactericide is environment friendly. The compound bactericide has important practical significance to the increase in social, economic and economic benefits.

The invention discloses a pyrazolyl-oxa(thia)diazole compound containing pyridinium salt, and a preparation method and application thereof. The compound has the structure as shown in the following general formula (I). On the basis of a pyrazolyl-oxa(thia)diazole thioether(oxoether) compound, a pyridinium group capable of improving the biological activity of a target compound is introduced into the system to synthesize a series of pyrazolyl-oxa(thia)diazole oxoether or thioether amphipathic molecules containing the pyridinium salt; moreover, the compound has a good inhibition effect on pathogenic bacteria and fungi, has good inhibition effects on bacteria (bacterial leaf blight of rice, ralstonia solanacearum, xanthomonas citri and the like) and fungi (gibberella zeae, phytophthora infestans, rhizoctonia solani, botrytis cinerea pers, fusarium oxysporum, apple rot pathogenic bacteria and the like), and provides an important scientific base for research, development and creation of novel pesticides.

The invention belongs to the field of biotechnology microorganism, and relates to a xanthomonas oryzae resistance aspergillus sclerotiorum strain As-75 and application thereof to prevention and control of plant diseases. The strain is preserved in CCTCC (China Center for Type Culture Collection); the preservation address is Wuhan University, Wuhan, China; the preservation code is CCTCC NO:M 2017350; the preservation date is June 19, 2017. The aspergillus sclerotiorum strain As-75 provided by the invention can be used for resisting the xanthomonas oryzae and preparing biological pesticides forpreventing and controlling the xanthomonas oryzae. Meanwhile, a certain inhibition effect is also achieved on bacteria such as staphylococcus aureus and bacillus subtilis; a high inhibition effect isalso achieved on plant pathogenic fungi such as gibberella zeae and poplar oxysporum.

The invention belongs to a quantitative PCR (real-time quantitative PCR) detection method for fusarium graminearum (gibberella zeae, asexual fusarium graminearum) in wheat grains, which is specially used for specifically measuring the fusarium graminearum infestation quantity in the wheat grains. The method comprises the following steps of: establishing a standard curve of real-time quantitative PCR detection of the fusarium graminearum, then extracting DNA from the wheat grains to be detected, performing real-time quantitative PCR reaction, and acquiring the pathogenic bacteria infestation quantity in a sample to be detected according to the established standard curve. The whole process only needs 6 hours, and the detection accuracy reaches over 99 percent; and the method is quick, simple, convenient, accurate and sensitive, and can be used for estimating the severity of the gibberella disease of the wheat grains and the actual effect of related prevention and control technology more scientifically.

The present invention provides for heterologous expression of polypeptides encoded by wild-type and codon-optimized cbh2 genes from the organisms Cochliobolus heterostrophus, Gibberella zeae, Irpex lacteus, Volvariella volvacea, and Piromyces sp. in host cells, such as the yeast Saccharomyces cerevisiae. The expression in such host cells of the corresponding genes, and variants and combinations thereof, result in improved specific activity of the expressed cellobiohydrolases. Thus, such genes and expression systems are useful for efficient and cost-effective consolidated bioprocessing systems.

The invention provides a 2-cyano-3-amino-3-phenylancryic acetate and epoxiconazole-containing antiseptic composition, which comprises 2-cyano-3-amino-3-phenylancryic acetate and epoxiconazole in mass percent ratio of 5-80:40-1 and contains 6 to 81 percent of active ingredients. The active ingredients are added with a common assistant and an excipient to prepare a wettable powder, water dispersible granules, a suspending agent, an aqueous emulsion or a microemulsion. The 2-cyano-3-amino-3-phenylancryic acetate and epoxiconazole-containing antiseptic composition is wide in antiseptic spectrum and is particularly suitable to be used for preventing and controlling rrysiphe graminis, gibberella zeae and wheat stripe rust.

The present invention provides for heterologous expression of polypeptides encoded by wild-type and codon-optimized cbh2 genes from the organisms Cochliobolus heterostrophus, Gibberella zeae, Irpex lacteus, Volvariella volvacea, and Piromyces sp. in host cells, such as the yeast Saccharomyces cerevisiae. The expression in such host cells of the corresponding genes, and variants and combinations thereof, result in improved specific activity of the expressed cellobiohydrolases. Thus, such genes and expression systems are useful for efficient and cost-effective consolidated bioprocessing systems.

The invention belongs to the field of pesticides and discloses a benzimidazolyl containing amide derivative, a preparation method therefor and an application of the benzimidazolyl containing amide derivative. The derivative has a structure represented by a formula (I) shown in the description. The compound disclosed by the invention is simple and convenient in preparation method, has a relativelygood inhibiting action on Gibberella zeae, Botrytis cinerea, Rhizoctonia solani and Alternaria solani and can be applied to control on fungal diseases of plants.

The invention belongs to the field of medicinal chemistry, and discloses new application of stilbene compounds. The invention particularly relates to application of the stilbene compounds in prevention and treatment of diseases caused by rhizoctonia solani, sclerotinia sclerotiorum, botrytis cinerea, Gibberella zeae, magnaporthe oryzae, Fusarium oxysporum vasinfectum , aspergillus niger, aspergillus flavus, Phyllosticta zeae, phytophthora capsici, Colletotrichum gloeosporioides and Didymella bryoniae.

The invention provides heterocyclic pyrethrin compounds having good biological activity to six tested weed control targeted wheat, barnyard grass, Chinese sorghum, rape, radish and cucumber. During the sterilization active test, the compounds show very high biological activity to phytophthora cryptogea pethybridge & lafferty, Pythiumaphanidermatum(Eds.) Fitzp., apple melanomyces, cucumber gray mold, wheat leaf blight bacterium, Gibberella zeae, rice blast bacterium, cotton soreshin, and other six kinds of in vivo targeted bacteria.