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Fungicide composition for preventing rice false smut and preparation method thereof

A fungicide composition and rice smut technology, applied in the agricultural field, can solve the problems of single fungicide components, unsatisfactory rice smut effect, and long-lasting effect, so as to improve the control effect and the long-lasting effect. Long-term, delayed effect of drug resistance

Inactive Publication Date: 2019-08-23
JIANGSU COASTAL AREA AGRI SCI RES INST
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  • Summary
  • Abstract
  • Description
  • Claims
  • Application Information

AI Technical Summary

Problems solved by technology

[0003] The existing fungicide components are relatively single, and the effect on the control of rice false smut is not ideal, and the duration of the effect is relatively short, and rice false smut is prone to resistance to a single fungicide

Method used

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  • Fungicide composition for preventing rice false smut and preparation method thereof

Examples

Experimental program
Comparison scheme
Effect test

Embodiment 1

[0021] A fungicide composition for preventing and treating rice smut, comprising 4.44 parts of 20% Jinggangmycin and 1 part of 1% Shenzimycin.

[0022] A preparation method of a fungicide composition for preventing and treating rice false smut, comprising the following steps:

[0023] The first step: Prepare raw materials: 4.44 parts of 20% Jinggangmycin, 1 part of 1% Shenzimycin, preparation tools: spraying device, watering device and stirring rod;

[0024] Step 2: Mix and mix according to the ratio of the dosage of the preparation in the bucket between the flag leaf and the inverted second leaf from the pillow level to the level of the leaf tip;

[0025] The third step: first in the sprinkler according to 33kg / 667m 2 The amount of water is filled with a water-adding device;

[0026] Step 4: Put 20% Jinggangmycin into the spraying device according to the ratio, and shake the spraying device while stirring with a stirring rod;

[0027] Step 5: Then put 1% Shenzimycin into t...

Embodiment 2

[0029] A fungicide composition for preventing and treating rice false smut. The components include 10 parts of 20% Jinggangmycin and 1 part of 1% Shenzimycin. The preparation steps are the same as in Example 1, and will not be described again.

Embodiment 3

[0031] A fungicide composition for preventing and treating rice false smut. The components include 20 parts of 20% Jinggangmycin and 1 part of 1% Shenzimycin. The preparation steps are the same as in Example 1, and will not be described again.

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Abstract

The invention discloses a fungicide composition for preventing rice false smut and a preparation method thereof. The composition comprises 4.44 parts of 20% validamycin and 1 part of 1% phenazine-1-carboxylic acid in a weight ratio of 4.44:1-24:1, the preparation steps are as follows: preparing the 20% validamycin and the 1% phenazine-1-carboxylic acid, a spraying device, a water adding device anda stirring rod; first adding enough water by the water adding device into the spraying device; putting the 20% validamycin into the spraying device according to the ratio, shaking the spraying devicewhile stirring with the stirring rod; then adding the 1% phenazine-1-carboxylic acid to the spraying device stirring, and directly spraying a field. The fungicide composition for controlling the ricefalse smut and the preparation method thereof are disclosed, the fungicide composition comprises the 20% validamycin and the 1% phenazine-1-carboxylic acid together, and the 20% validamycin and the 1% phenazine-1-carboxylic acid complement each other and are synergistic in effect, compared with a single agent, the fungicide composition has an obvious synergistic effect on the rice false smut, cansignificantly improve the control effect, has a long-lasting effect, and can effectively delay the resistance of the rice false smut to a single fungicide.

Description

technical field [0001] The invention relates to the field of agricultural technology, in particular to a fungicide composition for preventing and treating rice false smut and a preparation method thereof. Background technique [0002] Rice smut is one of the common diseases of late rice. Climatic conditions, field humidity, and nitrogen application have a great influence on the severity of the disease. Rice smut mainly occurs at the heading and flowering stage, and can invade ear buds as early as the late booting stage. The main damage is The grains form dark green or yellow powder clusters, which not only affect the yield, but more seriously pollute the rice and endanger human health. Combined with various factors that cause rice false smut to occur, in addition to selecting disease-resistant varieties, seed disinfection, strengthening field water and fertilizer management, and promoting growth and disease resistance, chemical control is the main measure for rice smut disea...

Claims

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Application Information

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Patent Type & Authority Applications(China)
IPC IPC(8): A01N43/16A01N43/60A01P3/00
CPCA01N43/16A01N43/60
Inventor 张俊喜
Owner JIANGSU COASTAL AREA AGRI SCI RES INST