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Application of osthole and its re-compound in preparing pesticide for preventing and controlling rice green smut

A technology for rice false smut and osthole, which is applied to the field of single osthole and its compound composition, and can solve problems such as unreported application research.

Inactive Publication Date: 2008-08-13
JIANGSU ACAD OF AGRI SCI
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  • Summary
  • Abstract
  • Description
  • Claims
  • Application Information

AI Technical Summary

Problems solved by technology

There is no report on the application of osthole, osthole, myclobutanazole, and Jinggangmycin compound in the control of rice false smut

Method used

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  • Application of osthole and its re-compound in preparing pesticide for preventing and controlling rice green smut
  • Application of osthole and its re-compound in preparing pesticide for preventing and controlling rice green smut
  • Application of osthole and its re-compound in preparing pesticide for preventing and controlling rice green smut

Examples

Experimental program
Comparison scheme
Effect test

Embodiment 1

[0076] Embodiment 1: 1% osthole EW 250 * (effective concentration is 40 μ g / ml) control paddy rice false smut is applied 1 time respectively before rice breach, breach early stage, every acre uses 100ml, and every mu medicine liquid volume 30-40 kg, spray.

Embodiment 2

[0077] Example 2: 3% osthole·myclobutanazole SE 500× (active ingredient: 1% osthole+1% myclobutanazole, effective concentration is 20 μg / ml osthole+40 μg / ml myclobutanil) for the prevention and treatment of For rice false smut, apply the medicine once before the rice breaks and in the early break, 100ml per mu, 30-40 kg per mu, and spray.

Embodiment 3

[0078] Embodiment 3: 6% osthole · Jinggangmycin SE 750 * (active ingredient: 1% osthole+5% Jinggangmycin, effective concentration is 13.3 μ g / ml osthole+66.7 μ g / ml Jinggangmycin ) To control rice false smut, apply the medicine once before and during the breach period of rice, 100ml of medicine per mu, 30-40kg of medicine solution per mu, and spray.

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Abstract

The present invention discloses the application of osthole and the re-compound of osthole and myclobutanil or validamycin A as farm germicide for preventing and controlling rice green smut. The present invention provides one kind of high efficiency and low toxicity botanical farm germicide and its re-compounded farm germicide capable of preventing and controlling rice green smut in high efficiency, high safety and reduced heavy metal chemical amount.

Description

1. Technical field [0001] The invention relates to a single agent of osthole and its compound composition, especially the application of it compounded with myclobutanil in the preparation of pesticides for preventing and treating rice false smut. Background technique [0002] Rice false smut, also known as false smut, green smut, cereal flower disease, blue powdery mildew, commonly known as "high-yield fruit", is a fungal disease that occurs in the late stage of rice caused by Ustilaginoidea virens (Cooke) Tak. In 1874, Cooke first discovered rice false smut in India, which is a common disease in major rice-growing areas of the world. It has been reported that its distribution covers more than 40 countries on 5 continents including China, Japan, the Philippines, India, Indonesia, the United States, Brazil, Australia, Egypt, Bangladesh, and the United Kingdom. Since the late 1970s, the disease has occurred in a large area from south to north in my country, and has a tendency...

Claims

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Application Information

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Patent Type & Authority Patents(China)
IPC IPC(8): A01N43/653A01P3/00A01N43/16A01N43/14
Inventor 石志琦王春梅范永坚陈浩
Owner JIANGSU ACAD OF AGRI SCI
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