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Cnidiadin and its built composition for preventing and controlling crop powdery mildew

A technology for osthole and powdery mildew, which is applied in the directions of animal repellents, plant growth regulators, botanical equipment and methods, etc., can solve the application of powdery mildew prevention and control, and the application of ingredient sterilization. and other problems, to achieve the effect of reducing the toxicity of the drug, reducing the effective dependence, and reducing the dosage

Inactive Publication Date: 2006-03-08
JIANGSU ACAD OF AGRI SCI
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  • Summary
  • Abstract
  • Description
  • Claims
  • Application Information

AI Technical Summary

Problems solved by technology

[0004] Another previously published Chinese patent application CN1342412, titled "Application of Cnidium Fructus Extract in the Production of Agricultural Pesticides", relates to Cnidium Fructus Extract (mainly containing osthole) and its combination with other agricultural pesticides It is used in combination to control diseases and insect pests, but these applications are limited to insecticide, and there is no reference to the application of this ingredient in sterilization, let alone its application in the control of crop powdery mildew

Method used

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Examples

Experimental program
Comparison scheme
Effect test

Embodiment 1

[0134] Example 1: 2% Osthole·Myclobutanil SE 500× (active ingredients: 1% Osthole+1% Myclobutanil, effective concentration is 20μg / ml Osthole+20μg / ml Myclobutanol) Control Grape powdery mildew is used at the initial stage of the disease, 100ml per mu, and as the leaves increase in the later period, the dosage per mu will reach 200-300ml

Embodiment 2

[0135] Example 2: 4% Osthole·Myclobutanil SE 500× (active ingredients: 1% Osthole+3% Myclobutanil, effective concentration is 20μg / ml Osthole+60μg / ml Myclobutanol) control For powdery mildew of broad bean, use 100ml per mu in the early stage of the disease, and in the later period, as the leaves increase, the dose per mu will reach 200-300ml.

Embodiment 3

[0136] Example 3: 8% osthole·tebuconazole SE500× (active ingredients: 1% osthole + 7% tebuconazole, the effective concentration is 20μg / ml osthole + 140μg / ml tebuconazole to control cucumber, Pumpkin, zucchini, melon, and strawberry powdery mildew are sprayed 500 times in the early stage of the disease, 100ml per mu, once every 5-7 days. In the later period, as the leaves increase, the dosage per mu reaches 200-300ml.

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PUM

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Abstract

The present invention provides the application of cnidiadin in preventing and controlling powdery mildew of crop and agricultural chemical composition for preventing and controlling powdery mildew of crop. The agricultural chemical composition consists of cnidiadin and one kind of germicide for inhibiting the synthesis of fungal ergosterol and selected from myclobutanil, triazolone, tebuconazole and propiconazol in the weight ratio of 1 to 1-20, preferably 1 to 1-10. It is especially suitable for preventing and controlling powdery mildew of cucumber, pumpkin, strawberry horse bean and grape.

Description

Technical field: [0001] The present invention relates to a single agent of osthole and its compound composition, in particular, it is reasonably compounded with a fungicide that inhibits the synthesis of fungal ergosterol, such as myclobutanol, triadimefon, tebuconazole or propiconazole Later, it is used as an agricultural fungicide to prevent and control crop powdery mildew. Background technique [0002] The chemical name of coumarin compound osthol (osthol) is 8-(3-methyl-2-butenyl) methyl ether ketone. It is the main component of the Umbelliferae Cnidium, and it is also imperator. The active ingredients extracted from the roots and rhizomes of, Angelica sinensis, Angelica sinensis, Celery stalk, Rutaceae plant octagonal yellow bark root bark, Rutin single leaf and other aerial parts. It has anti-cancer and anti-mutagenic effects in medicine. There have been reports of insecticide and bacteriostasis in agriculture, but its bactericidal spectrum and its synergistic effect with o...

Claims

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Application Information

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Patent Type & Authority Patents(China)
IPC IPC(8): A01N43/653
Inventor 石志琦范永坚侯名语严清平陈浩
Owner JIANGSU ACAD OF AGRI SCI
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