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Beauveria bassiana chlorpyrifos insecticide and preparation method thereof

A technology for pesticides and chlorpyrifos, applied in the field of pesticides, can solve the problems of pests producing resistance to pesticides and affecting control effects, and achieve the effects of alleviating resistance, rapid insecticidal characteristics, and small environmental impact

Inactive Publication Date: 2013-12-25
红河蔗保科技有限责任公司 +1
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  • Summary
  • Abstract
  • Description
  • Claims
  • Application Information

AI Technical Summary

Problems solved by technology

However, long-term single use can easily cause pests to develop resistance and affect the control effect.

Method used

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Examples

Experimental program
Comparison scheme
Effect test

Embodiment 1

[0024] Composition of 15% Beauveria bassiana·chlorpyrifos insecticide: Beauveria bassiana spore powder (spore content 1.5×10 11 spores / g, live spore rate 85%) 10kg, chlorpyrifos technical 5kg, xanthan gum 2kg, kaolin 83kg.

[0025] The preparation method of 15% Beauveria bassiana·chlorpyrifos insecticide:

[0026] ①Mix the spore powder of Beauveria bassiana and xanthan gum in a three-dimensional mixer for 0.5h to obtain a mixed powder of Beauveria bassiana;

[0027] ② Pre-crushing the technical chlorpyrifos, passing through a 200-mesh standard sieve to make the particle size less than 100 μm;

[0028] ③ adding kaolin to the screened chlorpyrifos technical material and evenly mixing to obtain chlorpyrifos powder;

[0029] ④ Add the chlorpyrifos powder of the above ③ into a three-dimensional mixer, and mix with the Beauveria bassiana mixed powder of the above ① for 0.5h to obtain 100 kg of Beauveria bassiana · chlorpyrifos insecticide powder.

[0030] When controlling sugarca...

Embodiment 2

[0032] Composition of 20% Beauveria bassiana·chlorpyrifos insecticide: Beauveria bassiana spore powder (spore content 1.5×10 11 spores / g, live spore rate 85%) 15kg, chlorpyrifos technical 5kg, nano zinc oxide 5kg, attapulgite 75kg.

[0033] The preparation method of 20% Beauveria bassiana·chlorpyrifos insecticide:

[0034] ①Mix the spore powder of Beauveria bassiana and nano-zinc oxide in a three-dimensional mixer for 0.5h to obtain a mixed powder of Beauveria bassiana;

[0035] ② Pre-crushing the technical chlorpyrifos, passing through a 200-mesh standard sieve to make the particle size less than 100 μm;

[0036] ③ adding attapulgite to the sieved chlorpyrifos technical material and evenly mixing to obtain chlorpyrifos powder;

[0037] ④ Add the chlorpyrifos powder of the above ③ into a three-dimensional mixer, and mix with the Beauveria bassiana mixed powder of the above ① for 0.5h to obtain 100 kg of Beauveria bassiana · chlorpyrifos insecticide powder.

[0038] For fiel...

Embodiment 3

[0040] Composition of 25% Beauveria bassiana·chlorpyrifos insecticide: Beauveria bassiana spore powder (spore content 1.5×10 11 spores / g, live spore rate 85%) 20kg, chlorpyrifos technical 5kg, nano zinc oxide 5kg, kaolin 70kg.

[0041] The preparation method of 25% Beauveria bassiana·chlorpyrifos insecticide:

[0042] ①Mix the spore powder of Beauveria bassiana and nano-zinc oxide in a three-dimensional mixer for 0.5h to obtain a mixed powder of Beauveria bassiana;

[0043] ② Pre-crushing the technical chlorpyrifos, passing through a 200-mesh standard sieve to make the particle size less than 100 μm;

[0044] ③ adding kaolin to the screened chlorpyrifos technical material and evenly mixing to obtain chlorpyrifos powder;

[0045] ④ Add the chlorpyrifos powder of the above ③ into a three-dimensional mixer, and mix it with the Beauveria bassiana mixed powder of the above ① for 0.5h to obtain 100 kg of Beauveria bassiana · chlorpyrifos insecticide powder.

[0046] When controll...

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Abstract

The invention belongs to the field of pesticide, and relates to beauveria bassiana chlorpyrifos insecticide and a preparation method of the beauveria bassiana chlorpyrifos insecticide. A formula of the insecticide comprises the following ingredients by mass percentage: 1-50% of beauveria bassiana spore powder, 3-5% of chlorpyrifos technical, 0.5-5% of ultraviolet protective agent and 40-95% of carrier. The preparation method of the insecticide comprises the steps of mixing the beauveria bassiana spore powder, the ultraviolet protective agent and the carrier in proportion, adding the sieved chlorpyrifos technical, and obtaining powder of the beauveria bassiana chlorpyrifos insecticide. The insecticide has the two characteristics of quick and long acting, the consumption of the chemical pesticide is reduced, the resistance of pests is reduced, the pollution during production and processing of the insecticide is low, the product quality is stable, and the insecticide is wide in insecticidal spectrum, strong in activity and convenient to use, has small environmental influence, and can control sugarcane scarabs and sugarcane moth borers.

Description

technical field [0001] The invention belongs to the field of pesticides, and in particular relates to a beauveria bassiana chlorpyrifos insecticide and a preparation method thereof. Background technique [0002] Scarabs are a major underground pest of sugarcane. Most of them use larvae (grubs) to damage cane roots and underground cane stems. Some species of adults also damage sugarcane seedlings and leaves, causing serious losses in sugarcane yield. Sugarcane borer is a common and serious borer pest that damages sugarcane. It damages the growth point at the seedling stage and causes dead seedlings. It damages the cane stem in the middle and late stages of growth, destroys the stem tissue, hinders the growth of sugarcane, reduces the yield and sugar content, and causes wind. fold. At present, chemical control of sugarcane scarabs and stem borers is mainly carried out, and chemical pesticides kill insects quickly. However, due to its long-term single application, the resistan...

Claims

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Application Information

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IPC IPC(8): A01N63/04A01P7/04A01N57/16
Inventor 尹炯黄应昆李文凤罗志明申科张荣跃王晓燕单红丽
Owner 红河蔗保科技有限责任公司
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