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Compound drug for preventing and treating rhizopus disease of lettuce

A technology for lettuce mold root disease and a drug is applied in the field of compound drugs for preventing and controlling mold root disease of lettuce, and achieves good effects.

Inactive Publication Date: 2015-11-18
孙桂芝
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  • Summary
  • Abstract
  • Description
  • Claims
  • Application Information

AI Technical Summary

Problems solved by technology

In the prior art, the compound drug for preventing and treating damping-off has caused the plants to produce drug resistance. In order to solve this technical problem, there is a need for a lettuce mildew control agent that is simple in proportion, easy to use, and can effectively prevent and treat damping-off. Compounded Drugs

Method used

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Examples

Experimental program
Comparison scheme
Effect test

Embodiment Construction

[0014] Example 1

[0015] Potassium dihydrogen phosphate: 3 parts of calcium chloride 2:1 mixture, 3 parts of sodium polyacrylate, 3 parts of 72% cream urea·manganese zinc wettable powder 600 times liquid, 2 parts of oxacupramine preparation, 3 parts of Tripterygium wilfordii , 2 parts of butanol, 1 part of sodium alginate.

[0016] The above-mentioned substances are mixed to prepare a stock solution for later use, and the stock solution is diluted with water to obtain a 600-1000 times (volume ratio) dilution solution. Spray to treat lettuce damping-off.

[0017] Example 2

[0018] Potassium dihydrogen phosphate: 5 parts of calcium chloride 2:1 mixture, 5 parts of sodium polyacrylate, 6 parts of 72% cream urea·manganese zinc wettable powder 600 times liquid, 5 parts of oxacupramine preparation, 5 parts of tripterygium wilfordii , 4 parts of butanol, 3 parts of sodium alginate.

[0019] The above-mentioned substances are mixed to prepare a stock solution for later use, an...

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PUM

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Abstract

The invention discloses a compound drug for preventing and treating a rhizopus disease of lettuce. The compound drug comprises components in parts by weight as follows: 3-5 parts of a mixture of monopotassium phosphate and calcium chloride in the ratio being 2:1, 3-5 parts of sodium polyacrylate, 3-6 parts of 72% cymoxanil*mancozeb wettable powder diluted for 600 times, 2-5 parts of an oxazolone amine preparation, 3-5 parts of tripterygium wilfordii, 2-4 parts of butanol and 1-3 parts of sodium alginate. The components are mixed, a stock solution is prepared for standby use, water is added to the stock solution, so that the stock solution is diluted for 600-1000 times in volume, and diluent is obtained. Damping-off of the lettuce is treated through spraying of the drug. The compound drug is simple in proportioning and convenient to use and has a good treatment effect on damping-off, and the efficacy is improved by 15%-19% in comparison with that of commercially available drugs for preventing and treating damping-off.

Description

technical field [0001] The invention belongs to the technical field of disease prevention and control of agricultural products, and in particular relates to a compound medicine for preventing and treating lettuce root disease. Background technique [0002] Moldy root disease of lettuce is caused by the fungus Pythium melonis of the flagellate subphylum. The fungus survives the winter in the soil with oospores along with the diseased residue, and can live in saprophytic life. When the conditions are suitable, the oospores germinate, produce germ tubes, and directly invade the young buds, or the top of the germ tube expands to form sporangia, and the zoospores are spread to the seedlings by rain or irrigation water, and invade from the base of the stem. Mildew root disease is one of the important diseases of lettuce seedlings. It is distributed all over the country. It is often caused by unsuitable temperature and humidity and extensive management during the seedling cultiv...

Claims

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Application Information

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Patent Type & Authority Applications(China)
IPC IPC(8): A01N65/14A01P3/00A01P21/00
Inventor 孙桂芝
Owner 孙桂芝