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Compound bactericide of osthole and Ningnanmycin

A compound fungicide, Ningnanmycin technology, applied in the field of pesticides, can solve the problems of disease resistance, high drug cost, increased usage, etc., to achieve long-lasting effect, reduce the amount of application, and reduce the amount of use Effect

Inactive Publication Date: 2011-12-28
JIANGSU LVDUN PLANT PROTECTION AGROCHEM EXPERIMENTAL
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  • Summary
  • Abstract
  • Description
  • Claims
  • Application Information

AI Technical Summary

Problems solved by technology

As a single agent, not only its bactericidal spectrum is narrow, but also long-term use will cause disease resistance, resulting in increased usage and high drug costs.

Method used

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  • Compound bactericide of osthole and Ningnanmycin
  • Compound bactericide of osthole and Ningnanmycin
  • Compound bactericide of osthole and Ningnanmycin

Examples

Experimental program
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Effect test

Embodiment 1

[0077] Embodiment 1: 2.2% osthole Ningnanmycin EW800 times (active ingredient: 2% osthole+0.2% Ningnanmycin), prevent and treat strawberry, tomato, pumpkin powdery mildew and rice sheath blight in the early stage of disease For medication, the dosage is 60-80ml per 667m2, and in the later stage as the leaves increase, the dosage reaches 100-120ml per 667m2.

Embodiment 2

[0078] Embodiment 2: 2.2% osthole Ningnanmycin EW800 times (active ingredient: 2% osthole+0.4% Ningnanmycin) prevent and treat strawberry, tomato, pumpkin powdery mildew and rice sheath blight in the initial stage of the disease , the dosage per 667m2 is 60~-80ml, and as the leaves increase in the later stage, the dosage per 667m2 reaches 100~120ml.

Embodiment 3

[0079] Embodiment 3: 2% osthole Ningnanmycin EW800 times (active ingredient: 1% osthole+1% Ningnanmycin) control strawberry, tomato, pumpkin powdery mildew and rice sheath blight in the early stage of disease, The dosage is 60-80ml per 667m2, once every 5-7 days. In the later stage, as the leaves increase, the dosage reaches 100-120ml per 667m2.

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Abstract

The invention belongs to the technical field of pesticides, and relates to a compound fungicide of osthole and Ningnanmycin for preventing and treating powdery mildew of strawberries, grapes and tomatoes and sheath blight of rice. The active ingredients of the fungicide are osthole and Ningnanmycin, and the weight ratio of the osthole and Ningnanmycin in the composition is 1:10-10:1. The advantages of the present invention are: 1. The combined use of the two fungicides expands the spectrum of fungicides. 2. After compounding, compared with a single agent, the dosage of osthole is reduced, and the effective dependence on plant resources is reduced. 3. The invention is suitable for preventing and controlling crop powdery mildew and sheath blight, and can reduce the selection pressure of chemical agents for preventing and controlling crop powdery mildew and sheath blight. 4. Reduce the amount of spraying, reduce the frequency of application, and reduce the cost of use. It has the advantages of high efficiency, quick effect, and long-lasting effect.

Description

technical field [0001] The invention belongs to the technical field of pesticides, and relates to a compound fungicide of osthole and Ningnanmycin for preventing and treating powdery mildew of strawberries, grapes and tomatoes and sheath blight of rice. Background technique [0002] At present, the chemical fungicides used to control crop powdery mildew and sheath blight, such as triadimefon, myclobutanil, thiophanate-methyl, carbendazim, polyoxin, etc., have produced a certain degree of resistance. According to reports, the resistance of strawberry powdery mildew to triadimefon has reached more than 50%. [0003] 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 The active ingredients extracted from the roots and rhizomes of Chinese angelica, Chinese angelica, Chinese angelica, and celery, root bark of Rutaceae star anise, root ...

Claims

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Application Information

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IPC IPC(8): A01N43/54A01N43/16A01P3/00
Inventor 吉沐祥缪康束兆林王健吴祥费子华陈源张建华
Owner JIANGSU LVDUN PLANT PROTECTION AGROCHEM EXPERIMENTAL
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