83 results about "Penicilliosis" patented technology

The invention discloses Metschnikowia pulcherrima DPP2 with the collection number of CGMCC No. 8178. The Metschnikowia pulcherrima DPP2 has an inhibiting effect on peach postharvest monilinia fructicola, apple postharvest botrytis cinerea, apple postharvest penicillium notatum and pear postharvest penicillium notatum, as well as the inhibiting effect on peach postharvest brown rot, apple postharvest gray mold, pear postharvest blue mold and apple postharvest blue mold. In the selected plant pathogenic fungi, the inhibiting effect on the peach monilinia fructicola and the apple botrytis cinerea is most obvious, the diameters of inhibition zones are more than 20mm respectively, and the Metschnikowia pulcherrima DPP2 has the advantages of stability, high efficiency and broad-spectrum antibacterial property, and can be applied to control of pathogenic bacteria or diseases.

The invention discloses a biological antiseptic preservative for controlling fruit penicilliosis, which comprises a Cryptococcus laurentii suspension, chitosan, calcium chloride, salicylic acid and water, wherein each 1L of preservative contains 1*10<9>-1*10<11> Cryptococcus laurentii cells, 0.5-2g of the chitosan, 10-20g of the calcium chloride,2-20mg of the salicylic acid and the balance of the water. The Cryptococcus laurentii is preserved in China General Microbiological Culture Collection Center (CGMCC) on Jan. 20th, 2010 with preservation name of Cryptococcus laurentii ZJU 10 and the preservation number of CGMCC NO.3590. The preservation address is IMCAS (Institute of Microbiology Chinese Academy of Sciences), No. 3, building No. 1, Beichen west road, Chaoyang district, Beijing. The biological antiseptic preservative can be used for effectively controlling the fruit penicilliosis.

The invention provides a composite for antiseptic preservation of fruits and vegetables, comprising 40-80wt% of bamboo vinegar, 1-10wt% of chemical fungicide, 4-20wt% of additive and the balance water. The bamboo vinegar and the chemical fungicide both have the functions of sterilization and fungistasis, and can play the role of the addiction or synergy when being used at the same time, thereby realizing the function of antiseptic preservation and effectively preventing and treating diseases of rot and deterioration of fruits and vegetables caused by anthracnose, black rot, penicilliosis, gray mold, brown rot, soft rot and the like. Experiments show that prochloraz and bamboo vinegar have obvious synergy when being mixed for use by mass percent of 1:5, wherein the co-toxicity coefficient (CTC) can reach 261.23; and tebuconazole and bamboo vinegar also have obvious synergy when being mixed for use by mass percent of 1:5, wherein the co-toxicity coefficient (CTC) can reach 249.49.

The invention discloses a method for improving the efficacy of cryptococcus laurentii with control on the penicilliosis and the patulin of post-picked apples, belonging to the technical field of biological control. The method is carried out according to following steps: activating the cryptococcus laurentii, inoculating the cryptococcus laurentii to a trehalose supplemental medium (a carbon source comprises 0.4% of trehalose and 0.6% of glucose) for culturing, and centrifuging the cryptococcus laurentii to obtain thalli; preparing the thalli into a 1*108 pieces/ml bacterium suspension; and adding 30mul yeast bacterium suspensions to the wounds of fruit, naturally drying the fruit, putting the fruit into a plastic basket, sealing by plastic wraps, and storing the fruit at a room temperature. Using the trehalose to improve the efficacy of the cryptococcus laurentii with control on the penicilliosis and the patulin of the post-picked apples, the method for improving the efficacy of the cryptococcus laurentii with control on the penicilliosis and the patulin of the post-picked apples is friendly to environment, safe, economical, efficient and applicable, thereby having important social values and economic values.

The invention relates to marine streptomyces with antibacterial activity and belongs to the technical field of microbes. The marine streptomyces is streptomyces chumphonensis AM-4, is registered and collected in China General Microbiological Culture Collection Center on October 30, 2017 and has a collection number of CGMCC No.14843. The streptomyces chumphonensis AM-4 has an excellent inhibitory effect on ccolletotrichum glecosporioides, penicillium italicum, penicillium digitatum and pathogen of brown stem-end rot, and has the potential of being developed into a biopesticide.

The invention discloses a bactericidal composition containing pyraclostrobin and prothioconazole and application thereof. The bactericidal composition uses the pyraclostrobin and prothioconazole as main effective components, wherein the weight ratio of the pyraclostrobin to the prothioconazole is (1-70):(1-50). The bactericidal composition can be used for preventing and treating diseases on cereals, melons and fruits, or vegetable crops, has higher synergic effect, overcomes and postpones the drug resistance of pathogenic bacteria, has the advantages of high bactericidal speed and long duration time, lowers the use cost, and has obviously better preventing and treating effects than a single agent. The bactericidal composition can be used for preventing and treating fungus diseases on the crops, especially can be used for preventing and treating leaf blight, rust disease, powdery mildew, downy mildew, epidemic disease, anthracnose, scab, brown spot, seedling blight, gray mold, banana freckle, penicilliosis and other fungus diseases, and has better effect than a single agent.

The invention relates to a novel fluopicolide-containing antibacterial composition. The novel fluopicolide-containing antibacterial composition comprises an active ingredient A and an active ingredient B, wherein the active ingredient A is fluopicolide; the active ingredient B is one of thiophanatemethyl and carbendazim; the weight ratio of the active ingredient A to the active ingredient B is 1:80-60:1; and wettable powder, water dispersible granules, suspending agents, suspending emulsion, water emulsion and microemulsion can be prepared by adding aids into the active ingredients. The novel fluopicolide-containing antibacterial composition is used for preventing and controlling downy mildew, epidemic disease, late blight, dampingoff, powdery mildew, botrytis, early blight, fusarium wilt, sclerotiniose, anthracnose, ring spot, penicilliosis and green mould of crops, can resist rain wash and has obvious synergism.

The invention discloses a hanseniaspora vineae BY19 for preventing and controlling postharvest diseases of fruits and vegetables and with wide antibacterial spectrum and stable effect and a use methodthereof. The collection number of the strain in China General Microbiological Culture Collection Center is CGMCC No. 14903. The use method of the hanseniaspora vineae comprises the following steps of: activating the strain, carrying out fermentation culture by using YPD, centrifuging, and preparing thalli into 1*108 cell/mL of bacterial suspension by using sterile water; putting fruits and vegetables such as apples, pears, grapes, strawberries, citruses or cherry tomatoes and the like into the bacterial suspension, soaking for 30 seconds, then taking out, and carrying out air drying; puttinginto a fresh-keeping box, and storing at normal temperature. The hanseniaspora vineae strain disclosed by the invention has the beneficial effects that penicilliosis and botrytis cinerea of the apples, the penicilliosis and the botrytis cinerea of the pears, botrytis, aspergillosis, black spot, fusaridiosis and anthracnose of the grapes, the botrytis of the strawberries and the botrytis and the aspergillosis of the cherry tomatoes can be controlled simultaneously, so that the loss caused by the postharvest diseases is reduced and the application prospect is good.

The invention discloses a low-dosage chemical bactericide used for controlling the postharvest diseases of fruits. The effective components of each liter of the low-dosage chemical bactericide comprise 1-10mg of imazalil, 1-10mg of prochloraz and 1-10mg of iminoctadine tris(albesilate). When the low-dosage chemical bactericide is practically used, the surface sprinkling (just fruit surface wetting) or postharvest immersion for 1-5min of the preharvest orange fruits by or in the low-dosage chemical bactericide can control the penicilliosis of the orange fruits.

The invention provides a plant-immunity resistance inducer and application thereof. The active ingredients of the plant-immunity resistance inducer contain 2-amino-3,5-dichlorobenzoic acid, prinzone and chitosan. In this way, after the plant-immunity resistance inducer is used in harvested citrus, occurrence of harvested citrus immune penicilliosis can be induced, the damage effect of the penicilliosis on the quality of the harvested citrus can be effectively inhibited, and the preservative and fresh-keeping time of the harvested citrus can be prolonged. The plant-immunity resistance inducer is free of toxicity and pollution, capable of directly acting on the harvested citrus, and no pesticide residues are generated; the plant-immunity resistance inducer can effectively prevent anthracnoseof harvested mangoes.

The invention discloses an antifungal composition and application thereof. The antifungal composition comprises two active components A and B, wherein the weight ratio of the component A to the component B is 1:100 to 100:1; the component A is selected from the compounds as shown in the following general formula; in the formula, R1 is selected from H, 2-Cl, 2-CH3, 2-OH, 4-Cl, 4-CH3, 4-OCH3, 4-OH, 2,4-2Cl OR 2,4-2CH3; R2 is selected from CH3 or C2H5; R3 is selected from H, Cl, CH3 or C2H5; Q is selected from Q1, Q2 or Q3 with the structures as shown in specifications; the component B is selected from one or more of fungicide of benzene and analogue thereof. The antifungal composition is particularly suitable for preventing and controlling various plant pathogenic fungal diseases, such as plant anthracnose, leaf spot disease, penicilliosis, root rot, damping off or Rhizoctonia solani.

The invention discloses a Pichia galeiformis bacterial strain BY27 used for control of postharvest diseases of fruits and vegetables and with broad antibacterial spectrum and stable effect and an application method thereof. The bacterial strain is preserved in CGMCC with the preservation number of CGMCC No.14907. The application method of the pichia pastoris comprises the following steps: activating the bacterial strain, carrying out fermental cultivation with YPD, centrifuging, and preparing bacterium suspension with the concentration of 1*10<8> cells/mL from thalli with sterile water; putting fruits and vegetables such as apples, pears, grapes, strawberries, citrus and cherry tomatoes into the bacterium suspension, soaking for 30 seconds, then taking out, and carrying out air drying; andputting into a preservation box, and storing at room temperature. The Pichia galeiformis bacterial strain disclosed by the invention can control penicilliosis, botrytis and black spot of the apples,penicilliosis and botrytis of pear fruits, botrytis, aspergillosis, black spot, fusariosis and cephalothecium roseum of the grapes, botrytis and aspergillosis of the strawberries, penicilliosis of thecitrus as well as botrytis and aspergillosis of the cherry tomatoes at the same time, and loss caused by the postharvest diseases is reduced, so that the Pichia galeiformis bacterial strain disclosedby the invention has a good application prospect.

The invention discloses an antibacterial composition containing boscalid and prochloraz-manganese chloride complex and application of the composition. According to the antibacterial composition, boscalid and prochloraz-manganese chloride complex serve as main effective components, and the weight ratio of boscalid to prochloraz-manganese chloride complex is (1-70):(1-50). The antibacterial composition can be used for preventing cereal, fruit tree and vegetable diseases, has a high synergistic effect, overcomes and delays virus insecticide resistance, is high in sterilization speed and long in persistence, reduces application cost, and is better in prevention effect compared with single medicament application. The composition can be used for preventing fungal diseases on crops, can be particularly used for preventing powdery mildew, gray mold, rape sclerotinia sclerotiorum, the rotten disease, garlic leaf blight, tobacco brown spot, pepper gray mold, watermelon blight, the mushroom damp disease, grape anthracnose, orange penicilliosis, penicillium digitatum, mango anthracnose and other fungal diseases, and is better in effect compared with single medicament application.

The invention discloses one group of primers and probes for diagnosing penicilliosis marneffei. The sequence of the upstream primer is SEQ NO.1: 5'-CGAATCTTTGAACGCACATTG-3'; the sequence of the downstream primer is SEQ NO.2: 5'-TCCCCGGAGGGACCACA-3'; the sequence of the probes is SEQ NO.3: FAM-5'-TGCTGTGTGCCCCGGTCATCTAGC-3'-TAMRA. The primers and the probes can specifically detect genomic DNA of the penicilliosis marneffei, and are applied to detection of DNA capacity of the penicilliosis marneffei in serum, whole blood, marrow or urine of human or animals, necessary conditions for research and development of reagent for diagnosing and estimating the penicilliosis marneffei are created, and the important theoretic and practical significance is achieved.

The invention relates to a bactericidal composition containing spiroxamine. The bactericidal composition comprises an active ingredient A and an active ingredient B, wherein the active ingredient A is the spiroxamine; the active ingredient B is one of bactericides, namely prochloraz and prochloraz-manganese chloride complex; the weight ratio of the active ingredient A to the active ingredient B is (1-70 percent ): (1-70 percent ); aids and excipients are added into the active ingredients to prepare wettable powder, water dispersible granules, a suspension seed-coating agent, suspension emulsion, emulsion in water and micro emulsion; the bactericidal composition is used for preventing and controlling bakanae disease, rice blast, anthracnose, penicilliosis, gibberellic disease, gray mold, powdery mildew, leaf rust, stripe rust, anthracnose, stem-end rot, crown rot, downy mildew, black rot, sheath blight, leaf blight, streak disease, spot disease, brown spot, flax leaf spot and septoria nodorum and has the advantages of wide bactericidal spectrum, small using amount, rain wash resistance and obvious synergetic effect.