Agricultural chemical composition containing fipronil and bacillus thuringiensis
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A technology of Bacillus thuringiensis and pesticide composition, applied in the field of pesticides, can solve the problem of not being able to obtain synergistic control effects and the like
Inactive Publication Date: 2008-08-27
JIANGMEN PLANT PROTECTION
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Summary
Abstract
Description
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Problems solved by technology
Therefore, according to the published literature, those skilled in the art cannot obtain the combination of pesticide preparations containing fipronil and Bt as active ingredients and the excellent synergistic control effect produced
Method used
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Examples
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Comparison scheme
Effect test
Embodiment 1
[0060] Preparation Example 1: The preparation of 0.1% fipronil+40000IU / mg Bt wettable powder, the distribution ratio of each component is:
[0061] 95% of the original drug of fipronil is 0.11% by weight,
[0062] The original powder of Bacillus thuringiensis var.kurstaki of 50000IU / mg is 80% by weight,
[0063] Wetting agent: sodium dodecylbenzenesulfonate is 5% by weight,
[0064] Dispersant: sodium lignosulfonate is 5% by weight,
[0065] Body: Kaolin is 9.89% by weight.
[0066] The components are dried, cooled, mixed, air-jet pulverized and finely ground to obtain the product.
Embodiment 2
[0067] Preparation Example 2: The preparation of 80% fipronil+1000IU / mg Bt water dispersible granules, the distribution ratio of each component is:
[0068] 95% of the original drug of fipronil is 84.21% by weight,
[0069] 50000IU / mg Bacillus thuringriensis var.aizawa powder is 2% by weight,
[0070] Wetting agent: sodium alkyl diphenyl ether sulfonate is 2% by weight,
[0071] Binder: 1% by weight polyvinyl acetate,
[0072] Disintegrant: urea is 2% by weight,
[0073] Stabilizer: Butyl glycidyl ether is 1% by weight,
[0074] Carrier: activated clay is 7.79% by weight.
[0075] The mixture is ultrafinely pulverized, then granulated, dried and sieved to obtain the product.
Embodiment 3
[0076] Preparation Example 3: the preparation of 0.5% fipronil+32000IU / mg Bt granules, the distribution ratio of each component is:
[0077] 95% of the original drug of fipronil is 0.53% by weight,
[0078] 50000IU / mg Bacillus thuringiensis var.aizawa powder is 64% by weight,
[0079] Wetting and dispersing agent: sodium dodecylbenzenesulfonate 1% by weight,
[0080] Binder: 1% by weight polyvinyl acetate,
[0081] Auxiliary disintegration agent: urea is 2% by weight,
[0082] Adsorbent: white carbon black is 2% by weight,
[0083] Stabilizer: butyl glycidyl ether is 7% by weight,
[0084] Carrier: activated clay is 22.47% by weight.
[0085] The above-mentioned original medicine and auxiliary agents are fully mixed, agglomerated into granules, and graded to obtain the product.
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Abstract
The invention belongs to the pesticide field and particularly relates to a synergic pesticidal composition with active ingredients to be the combinations of fipronil and a series of subspecies of Bacillus thuringiensis (Bt for short), wherein the Bacillus thuringiensis subspecies include six subspecies: Bacillus thuringiensis var.kurstaki, Bacillus thuringiensis var.aizawa, Bacillus thuringiensis var.tianmensis, B.thuringiensis var.israelensis, Bacillus thuringiensis subsp.aizawai and Bacillus thuringiensis subsp. kenyae. The main agent thereof includes the following active ingredients by the weight percentages as follows: fipronil 0.1%-80%, Bacillus thuringiensis 100-100000 IU (international unit) / mg, or 10-1000 billion spore / g, or 0.01-20% toxin protein, and the rest is an accessory ingredient. The pesticidal composition can be efficiently used for controlling agricultural pests such as rice leaf rollers, chilo suppressalis walkers, diamondback moths, prodenia lituras, corn borers, and so on, and has particular characteristics of high efficacy, long lasting period and safe usage, so that the pesticidal composition belongs to environment-friendly pesticides and can prolong the generation of resistance, reduce production cost and increase economic benefit.
Description
technical field [0001] The invention belongs to the field of pesticides, and in particular relates to a pesticide composition containing fipronil and a series of subspecies of Bacillus thuringiensis (abbreviated as Bt) as active components. Background technique [0002] With the improvement of human requirements for food and environment, the use of pesticides on crops that people depend on has also attracted much attention. The use of highly toxic organophosphorus pesticides has caused serious pesticide residue problems, so its reduction has become a major issue in my country's pesticide industry. The elimination of organophosphorus pesticides has freed up a huge market space for pesticides. It is hoped that there will be efficient, safe , and the top shortage of environmentally friendly new pharmaceutical varieties. Secondly, the long-term use of pesticides makes pests resistant to pesticides, and the requirements for control agents are getting higher and higher. This requi...
Claims
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Application Information
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