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

A technology of osthole and powdery mildew, applied in animal repellents, plant growth regulators, botanical equipment and methods, etc., can solve the application that does not mention the control of powdery mildew bacteria, and does not involve the application of component sterilization To achieve the effect of reducing drug toxicity, reducing effective dependence, and improving indoor activity

Inactive Publication Date: 2005-03-02
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

[0131] Example 1: 2% osthole·myclobutanazole SE500× (active ingredient: 1% osthole+1% myclobutanazole, effective concentration is 20 μg / ml osthole+20 μg / ml myclobutanazole) for the prevention and treatment of grapevine In the early stage of powdery mildew disease, use 100ml per mu, and later, as the leaves grow larger, use 200-300ml per mu

Embodiment 2

[0132] Example 2: 4% osthole · myclobutanil SE500× (active ingredient: 1% osthole + 3% myclobutanil, effective concentration is 20 μg / ml osthole + 60 μg / ml myclobutanil) to control faba bean In the early stage of powdery mildew disease, 100ml is used per mu, and in the later stage, as the leaves increase, the dosage reaches 200-300ml per mu.

Embodiment 3

[0133] Embodiment 3: 8% osthole·tebuconazole SE500 * (active ingredient: 1% osthole+7% tebuconazole, effective concentration is 20 μ g / ml osthole+140 μ g / ml tebuconazole to control cucumber, Pumpkin, zucchini, melon, and strawberry powdery mildew were sprayed 500 times at the early stage of the disease, 100ml per mu, once every 5-7 days. Later, as the leaves increased, the dosage reached 200-300ml per mu.

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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, especially its reasonable compounding with a fungicide that inhibits fungal ergosterol synthesis, such as myclobutanil, triadimefon, tebuconazole or propiconazole Later, it is used as an agricultural fungicide to control crop powdery mildew. Background technique [0002] The chemical name of the coumarin compound osthole (osthol) is 8-(3-methyl-2-butenyl) methyl ether sphenone, which is the main component of the umbelliferous plant Cnidium chinensis, and it is also Active ingredients extracted from the roots and rhizomes of Chinese angelica, Chinese angelica, Chinese angelica, celery, root bark of Rutaceae star anise, root bark of Rutaceae, single-leaf Rutaceae, etc. It has anti-cancer and anti-mutagenic effects in medicine, and insecticidal and antibacterial reports have been reported in agriculture, but its bactericidal spectrum and its synergistic effect and c...

Claims

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Application Information

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