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Pesticide composition

A pesticide composition and crop disease technology, applied in biocides, animal repellents, plant growth regulators, etc., can solve the problems of high production and use costs, difficulty in large-scale promotion and application, etc., to achieve improved control efficiency, Improve the effect of prevention and control and reduce the cost

Inactive Publication Date: 2012-11-21
陕西皇牌作物科技有限公司
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  • Summary
  • Abstract
  • Description
  • Claims
  • Application Information

AI Technical Summary

Problems solved by technology

Blasticamide has good crop safety and outstanding environmental compatibility, but its current production and use costs are relatively high, making it difficult to promote and apply in large areas

Method used

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  • Pesticide composition
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Examples

Experimental program
Comparison scheme
Effect test

example 1

[0016] Bioassay Example 1: Indoor Toxicity Determination of Rice Blastamide and Isoblazem to Magnaporthe grisea

[0017] Test object: rice blast fungus (collected from the field and separated and purified)

[0018] Test method: potted plant method. Select rice seedlings at the three-leaf-one-heart stage with consistent growth, 2 seedlings per pot, and 5 pots for each treatment. The rice blast fungus was cultured on the tomato juice oat agar medium, and after spore production, the spores were washed with sterile water to make 1×10 5 spores / mL suspension was evenly sprayed and inoculated on the test rice seedlings, and after the inoculation, they were covered with black plastic bags to keep moisture and cultivated for 24 hours (25°C). After 24 hours of inoculation, medicament treatment was carried out, and 5 concentration gradients were set for each medicament, and sprayed with a Potter spray tower at a pressure of 50 PSI, 5 mL per treatment. After spraying, the rice seedling...

Embodiment 1

[0032] Embodiment 1: 15.5% rice blastamide · isoblaze net suspending concentrate

[0033] Blasticamide 15%

[0034] Isomyza net 0.5%

[0035] Sodium methylnaphthalene sulfonate formaldehyde condensate (wetting agent) 7%

[0036] Xanthan gum (thickener) 2%

[0037] Bentonite (thickener) 1%

[0038] Nongru 600# Phosphate (dispersant) 3%

[0039] Glycerol (antifreeze) 5%

[0040] Water Make up to 100%.

[0041] Mix the active ingredient, dispersant, thickener, wetting agent, antifreeze agent and water according to the proportion of the formula, and then grind and / or high-speed shear to obtain 15.5% rice blastamide·isorice blast Net suspending agent.

[0042] This embodiment is applied to the control of rice blast. 15.5% Blasticamide·Isocystidine Suspending Concentrate is diluted with water and sprayed at 180g a.i. / ha [a.i., active ingredient; ha, hectare], and the control effect is 92.8% 7 days after application. 20% rice blastamide suspending agent according to 200g a.i...

Embodiment 2

[0043] Embodiment 2: 36% rice blastamide·Isode rice blast net wettable powder

[0044] Blasticamide 30%

[0045] Isomyza net 6%

[0046] Sodium lauryl sulfate (wetting agent) 2%

[0047] Sodium lignosulfonate (dispersant) 5%

[0048] White carbon black (filler) 10%

[0049] Kaolin (filler) top up to 100%

[0050] The active ingredients, various additives and fillers are fully mixed according to the ratio of the formula, and after being pulverized by a superfine pulverizer, a 36% rice blastamide·isodao blast net wettable powder can be obtained.

[0051]This embodiment is applied to the prevention and treatment of rice blast. The 36% rice blastamide · isidao blast net wettable powder is diluted and sprayed with water at 150g a.i. / ha, and the control effect is 93.2% after 7 days of application. 20% rice blastamide suspending agent according to 200g a.i. / ha and 40% isoblaze amide EC according to 1000g a.i. / ha, diluted with water and sprayed, the control effects were 87.2% an...

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Abstract

The invention discloses a pesticide composition, wherein the active ingredients thereof are fenoxanil and iprobenfos, the mass ratio of fenoxanil to iprobenfos is 30: 1 to 1: 40, and the residual components thereof are permissible and acceptable auxiliary components of pesticide. The bactericidal composition can be prepared into wettable powder, suspension agent, missible oil and water dispersible granule with the known preparation method, is mainly used for preventing and treating rice diseases, and has the advantages of high efficiency, low cost, and the like.

Description

technical field [0001] The invention relates to a pesticide composition, in particular to a pesticide composition containing blastamide. Background technique [0002] Rice is one of the main food crops in my country. Its planting area accounts for about 1 / 4 of the country's cultivated land area, and its annual output accounts for about 1 / 2 of the country's total grain output. 40%. Among them, rice blast has a large area of ​​occurrence, high prevalence and serious damage, and is an important disease on rice. Due to the long-term single use of conventional pesticides such as tricyclazole, rice blastazim, and carbendazim, the rice blast fungus has developed drug resistance, and the resistance has been continuously enhanced, and the control effect has declined. [0003] Fenoxanil is a new type of high-efficiency amide fungicide with good systemic and long-lasting effects. It prevents the infection of Magnaporthe grisea by inhibiting the penetration of the pathogen from the app...

Claims

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Application Information

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Patent Type & Authority Patents(China)
IPC IPC(8): A01N57/14A01N39/04A01P3/00
Inventor 刘胜召张承来张洪殷如龙曹明章孔建
Owner 陕西皇牌作物科技有限公司