143 results about "Colletotrichum coccodes" patented technology

The invention discloses burkholderia cepacia SD7 and a culturing method and application thereof. The bacterial strain is preserved in China General Microbiological Culture Collection Center on October 24th, 2001, and the preservation number is CGMCC No.5384. Through research, the bacterial strain has strong inhibiting effect on rhizoctonia solani, collectotrichum musae, pyricularia grisea, gibberella zeae, fusarium oxysporum f. sp. cubense, peronophythora litchi, ustiago scitamimea syd, fulvia fulva, xanthomonas oryzaepv.oryzae, xanthomonas oryzae pv. Oryzicola, and the like, is broad-spectrum antagonistic bacteria, can be used for preventing and treating a plurality of plant diseases, particularly has better preventing and treating effect for banana fruit anthracnose and rice sheath blight, has the advantages of harmlessness to person and animals, environmental protection and safety, good environmental compatibility, and difficulty in becoming resistant, is good for business development, and has broad application prospect.

The invention discloses bacillus subtilis A16, which is preserved in China Center for Type Culture Collection (CCTCC) with CCTCC NO. 209105. The bacterial colony of the Bacillus subtilis A16 is oyster white on a beef extract peptone culture medium, has irregular shape and no luster, is not wet, has irregular edge, has diameter of 0.5-1cm, and has microfold surface, straight rod-shaped thallus and elliptic spore. The invention also discloses a preparation method and application of the bacillus subtilis A16. The bacillus subtilis A16 has broad bacteriostasis, can suppress exserohilum turcicum and helminthosporium maydis, has higher antagonism for exserohilum turcicum bacteria, helminthosporium maydis bacteria, maize curvularia leaf spot fungus, verticillium dahliae kleb, wheat scab pathogen, colletotrichum musae and banana vascular wilt bacteria, and has high prevention cure efficiency, and good safety and development application prospect.

The invention discloses streptomyces katrae NB 20, as well as a culture method and an application thereof. The strain with a preservation number of CGMCC No.5382 is preserved in China General Microbiological Culture Collection Center on October 24, 2011. Researches prove that: the strain has strong inhibition effects to colletotrichum musae, pyricularia grisea, fusarium graminearum, fusarium oxysporum f.sp.cubense, peronophythora litchi, ustilago scitaminea, fulvia fulva, xanthomonas oryzae and xanthomonas oryzae pv.oryzicola, is a broad-spectrum antagonistic strain, can be used for prevention and control of various plant diseases, has a particular good prevention and control effect to the colletotrichum musae, has the advantages of harmlessness to human and livestock, greenness and safety, good environment compatibility, difficult resistance generation and the like, and has a wide application prospect.

The invention discloses a Bacillus licheniformis 201, which is preserved in China Center for Type Culture Collection that is located in Wuhan University, Logosun, Wuchang, Wuhan, Hubei, and with CCTCC NO. of M207092. The invention simultaneously discloses a preparation method and applications of the Bacillus licheniformis 201, which has strong bacteriostasis of banana wilt fusarium, wide bacteriostasis spectrum and antagonism to various pathogenic fungi including banana wilt fusarium, watermelon wilt fusarium, tomato wilt fusarium, banana colletotrichum, gloeocystidium colletotrichum, corn leaf spot curvularia, cotton verticillium lecanii, gibberella zeae, and the like, and the Bacillus licheniformis 201 has high control efficiency, good environmental security and good development and application prospect.

The invention discloses a novel harmaline amide compound, a preparation method of the compound and an application of the compound in preparation of pesticides. The structural formula of the harmaline amide compound is shown as a formula (I); the structural formula is as shown in the specification, wherein in the formula (I), R1 is selected from hydrogen, methyl, phenyl, 2,4,5-trimethoxyphenyl, p-methoxyphenyl, p-trifluoromethylphenyl or p-chlorophenyl; R2 is selected from hydrogen or bromine; R3 is selected from hydrogen or ethyl; and R4 is selected from ethyl, 2-pyridyl, o-chlorophenyl, 4,6-dimethylpyrimidyl or p-trifluoromethylphenyl. The compound has good inhibitory activities on rhizoctonia solani, collectotrichum musae, grey mould germ of strawberry, fusarium oxyspirum F sp niveum and alternaria solani and has good application prospects in control of important agricultural pests. In addition, the artificial synthesis process is simple, the product purity is high, and the compound is suitable for large-scale industrial application.

The invention discloses a bacillus subtilis 203 which is preserved by China Center for Type Culture Collection (CCTCC) of Wuhan University at Luojiashan mountain of Wuchang of Wuhan city in Hubei province, with the preservation number of CCTCC No: M207094. The invention also discloses a preparation method and applications thereof. The bacillus subtilis 203 is obtained by slab antagonism and pot experiment screening, can effectively inhibit the growth of fusarium axysporum of banana, has wide antimicrobial spectrum, has antagonistic effect to various pathogenic fungi such as fusarium vasinfectum, verticillium dahliae kleb, fusarium axysporum of watermelon, fusarium axysporum of tomato, curvularia lunata or colletotrichum musae and the like, and has the advantages of good environment safety performance and excellent development and application prospects.

The invention discloses banisterine benzoyl urea compounds and a preparation method and application thereof. The banisterine benzoyl urea compounds have a structural formula I shown in the specification; in the formula I, R1 can be methyl, phenyl, 3,4,5- triethoxy phenyl, p-methoxyphenyl or p-chlorphenyl, R2 can be H or Br, and X can be O or S. The banisterine benzoyl urea compounds have an outstanding insecticidal activity for Culex fatigans, prodenia litura and Chilo suppressalis; a part of the compounds are identical to a control insecticide Dibenzoyl-1-tert-butylhydrazine in term of activity; the banisterine benzoyl urea compounds have good inhibitory activity for rice sheath blight disease, alternaria solani, Collectotrichum musae, grey mould fruit rot of strawberry and sour rot pathogenic bacteria of citrus; a part of the compounds have better inhibitory activity for the above five phytopathogens than validamycin. The banisterine derivatives are simple in structure and easy to synthesize; the synthesis process is simple, the product purity is high; the banisterine benzoyl urea compounds and the preparation method thereof are suitable for large-scale industrial popularization and application.

The invention discloses a hydroxyquinoline compound as well as a preparation method and application thereof in preventing and treating agricultural diseases. Testing results show that the compound hasremarkable activity upon corn leaf fulvia fulvum, cotton oxysporum, potato rhizoctonia solani kuhn, didymella bryoniae, fusarium oxysporum, wheat gibberella, rice blast, botrytis cinerea, lycium barbarum anthracnose, cotton anthracnose, sclerotinia sclerotiorum, pepper phytophthora blight, potato late blight, rhizoctonia solani, melon bacterial fruit plaque bacteria, grape meloidogynosis bacteria, Chinese cabbage erwinia carotovora, kiwi fruit anabrosis bacteria, pseudomonas lachrymans, ralstorinia solanacearum, rice bacterial leaf blight and rice bacterial stripe bacteria. The hydroxyquinoline compound is simple in preparation process, cheap and easy in raw material obtaining, high in product purity, good in bioactivity and wide in sterilization spectrum and has the potential of being developed as new fungicides.