Application of paclobutrazol pyraclostrobin pesticide composition in the preparation of crop anti-chilling injury chemical control regulator

A technology of pyraclostrobin and pesticide composition, applied in plant growth regulators, plant growth regulators, chemicals for biological control, etc., can solve the problem of increasing farmers' workload and production costs, and reducing the amount of unfavorable pesticides In order to achieve good control effect, increase germination rate, and high control effect

Active Publication Date: 2021-03-26
INNER MONGOLIA AGRICULTURAL UNIVERSITY
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  • Summary
  • Abstract
  • Description
  • Claims
  • Application Information

AI Technical Summary

Problems solved by technology

[0009] The existing technical solutions only have effects on one of the low-temperature chilling injury or diseases, and cannot realize multiple preventions with one drug, that is, one-time application, and have a control effect on low-temperature chilling injury and diseases at the same time, and there is a pesticide utilization rate in the later stage of foliar spraying Low, inconvenient operation, so the existing technical solutions increase the workload and production costs of farmers, which is not conducive to the reduction of pesticide application
At present, there is no chemical control technology at the seedling stage that can regulate the low temperature chilling injury and Curvularia leaf spot of corn at the same time

Method used

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  • Application of paclobutrazol pyraclostrobin pesticide composition in the preparation of crop anti-chilling injury chemical control regulator
  • Application of paclobutrazol pyraclostrobin pesticide composition in the preparation of crop anti-chilling injury chemical control regulator
  • Application of paclobutrazol pyraclostrobin pesticide composition in the preparation of crop anti-chilling injury chemical control regulator

Examples

Experimental program
Comparison scheme
Effect test

Embodiment 1

[0045] Preparation of paclobutrazol: pyraclostrobin 2:1 mixture: Accurately weigh 10 grams of paclobutrazol and 5 grams of pyraclostrobin, add 50 ml of water, and add 5 grams of alkyl aryl polyoxyethylene polyethylene to the mixture. Oxypropylene ether, stirred at 10,000 rpm for 15 minutes with a high-speed shearing emulsifier, then added 3 grams of sodium alginate, 0.2 grams of xanthan gum, 5 grams of ethylene glycol, and added water to make up the total weight to 100 grams. The sand mill was ground for 2 hours at 20,000 rpm to obtain 10% paclobutrazol·5% pyraclostrobin suspended seed coating agent.

Embodiment 2

[0047]Preparation of paclobutrazol: pyraclostrobin 1:4 mixture: Accurately weigh 5 grams of paclobutrazol and 20 grams of pyraclostrobin, add 50 ml of water, and add 10 grams of alkyl aryl polyoxyethylene polyethylene to the mixture. Oxypropylene ether, stirred at 10,000 rpm for 15 minutes with a high-speed shearing emulsifier, then added 3 grams of sodium alginate, 0.3 grams of xanthan gum, 5 grams of ethylene glycol, and added water to make up the total weight to 100 grams. The sand mill was ground at 20,000 rpm for 2 hours to obtain 5% paclobutrazol·20% pyraclostrobin suspended seed coating agent.

Embodiment 3

[0049] Preparation of paclobutrazol: pyraclostrobin 1:10 mixture: Accurately weigh 5 grams of paclobutrazol and 50 grams of pyraclostrobin, add 50 ml of water, and add 10 grams of fatty alcohol polyoxyethylene ether to the mixture. The high-speed shear emulsifier was stirred for 15 minutes at 10,000 rpm, and then 3 grams of sodium alginate, 0.3 grams of xanthan gum, 5 grams of ethylene glycol were added, and the total weight was made up to 100 grams with water. Grinding for 2 hours under the condition of rev / min obtains 5% paclobutrazol·50% pyraclostrobin suspended seed coating agent.

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Abstract

The invention relates to the technical field of low temperature damage resistance, in particular to the application of a paclobutrazol.pyraclostrobin pesticide composition in preparing a crop low temperature damage resisting chemical regulator. The pesticide composition in the application is prepared from paclobutrazol and pyraclostrobin, wherein the mass ratio of the paclobutrazol to the pyraclostrobin is 1-2 to 1-10. Compared with a conventional single-purpose chemical regulator, a paclobutrazol.pyraclostrobin suspended seed coating disclosed by the invention has good regulatory effects on low temperature damage and also has better prevention and control effects on the important disease of curvularia leaf spot; in addition, the regulatory effects of a mixture of the paclobutrazol and thepyraclostrobin on low temperature damage resistance and disease resistance are significantly higher than those of single paclobutrazol or single pyraclostrobin; the paclobutrazol.pyraclostrobin pesticide composition has the characteristics of one drug with multiple control effects, so that the use frequency and the use amount of pesticides can be reduced and further the production cost is reduced.

Description

technical field [0001] The invention relates to the technical field of low temperature resistance chemical control, in particular to the application of a paclobutrazol-pyraclostrobin pesticide composition in the preparation of a low temperature and cold damage chemical control regulator for crops. Background technique [0002] The northern spring corn planting area is an important corn production area in my country. However, due to the low climate stability in this area, abnormal meteorological disasters such as low temperature and cold damage occur from time to time, which seriously affects the germination rate of corn, delays the growth of plants, and reduces crop yield by 20%-50%. %, at the same time, leaf diseases such as corn curvaceous leaf spot can cause leaf scorch, affect photosynthesis and growth of bracts, and seriously affect the quality and yield of corn. Another catastrophic disease. [0003] For low temperature and chilling damage of corn, the commonly used con...

Claims

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Application Information

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Patent Type & Authority Patents(China)
IPC IPC(8): A01N47/24A01N43/653A01P3/00A01P21/00
CPCA01N43/653A01N47/24
Inventor 高聚林王振王志刚于晓芳孙继颖张宝林胡树平苏治军包海柱王富贵屈佳伟青格尔马达灵贾琦韩升才李懿璞
Owner INNER MONGOLIA AGRICULTURAL UNIVERSITY
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