Bactericidal composition containing boscalid and azoxystrobin and application thereof
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A technology containing boscalid and boscalid, applied in the field of bactericidal compositions, can solve the problems of difficult control of plant pathogens, discount of single-agent control effect, increase of pathogen resistance, etc. Control effect, effect of delaying drug resistance
Inactive Publication Date: 2018-03-09
NANJING HUAZHOU PHARMA
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Problems solved by technology
[0008] At present, the prevention and control of plant pathogens is becoming more and more difficult. On the one hand, with the change of planting structure, the planting area of economic crops such as melons, fruits and vegetables has gradually expanded, and the degree and number of diseases have increased, making the prevention and control more difficult. On the other hand, the resistance of pathogenic bacteria is increasing year by year under the pressure of continuous agent selection, the control effect of a single agent is greatly reduced, and the control of plant diseases is facing a major challenge
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Embodiment 1
[0044] Example 1: 15% boscalid · azoxystrobin wettable powder (1:2)
[0045]Boscalid 5g, azoxystrobin 10g, detergent LS (sodium p-methoxy fatty acid aminobenzene sulfonate) 2g, diffusing agent NNO (sodium methylene bis-naphthalene sulfonate) 4g, white carbon black 5g , kaolin was added to 100g of the mixture for jet milling to prepare a wettable powder with an active ingredient mass percentage of 15% boscalid azoxystrobin.
Embodiment 2
[0046] Example 2: 15% boscalid · azoxystrobin wettable powder (1:4)
[0047] Add 3 g of boscalid, 12 g of azoxystrobin, 3 g of sodium lauryl sulfate, 4 g of diffusing agent NNO, 5 g of white carbon black, and kaolin to 100 g of the mixture and perform jet milling to obtain an active ingredient mass percentage of 15% boscalid Strostrobin · azoxystrobin wettable powder.
Embodiment 3
[0048] Example 3: 14% boscalid · azoxystrobin wettable powder (1:6)
[0049] Add 2 g of boscalid, 12 g of azoxystrobin, 3 g of sodium lauryl sulfate, 4 g of diffusing agent NNO, 5 g of white carbon black, and kaolin to 100 g of the mixture and carry out jet milling to obtain 14% by mass of boscalid Strostrobin · azoxystrobin wettable powder.
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Abstract
The invention discloses a bactericidal composition containing boscalid and azoxystrobin and application thereof. The bactericidal composition uses boscalid and azoxystrobin as main active ingredients, wherein the mass ratio of boscalid to azoxystrobin is 1:50-70:1. The bactericidal composition can be applied to the prevention and treatment of cereals, fruit trees, and vegetable diseases, has a high synergistic effect, overcomes and delays the drug resistance of pathogens, has fast sterilization speed, long-lasting effect, reduces application costs, and has good control effect. Significantly better than its single dose use. The present invention can be used to control fungal diseases on crops, especially can be used to control fungi such as powdery mildew, gray mold, sclerotinia, rot, rust, glume blight, net spot, downy mildew, and rice blast disease, the effect is better than a single dose.
Description
Technical field: [0001] The invention relates to a bactericidal composition and its application, in particular to a bactericidal composition with boscalid and azoxystrobin as main active ingredients and its application. Background technique [0002] Boscalid is a new type of nicotinamide fungicide developed by BASF, Germany, chemical name: 2-chloro-N-(4'-chlorobiphenyl-2-yl) nicotinamide, molecular formula: C 18 h 12 Cl 2 N 2 O. The structural formula is as follows: [0003] [0004] The fungicide has a wide bactericidal spectrum and is active against almost all types of fungal diseases. It is very effective in the control of powdery mildew, gray mold, sclerotinia and various rot diseases, and is also effective against other fungal resistant bacteria. , for canola, beans, bulb vegetables, mustard greens, carrots, apples, lettuce, peanuts, potatoes, stone fruits, strawberries, nuts, cabbage, cucumbers, mint, peas, root vegetables, sunflowers, grapes, turf, other fruit...
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