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Pre-bloom grape gray mold prevention method

A grape gray mold and pre-flowering technology, which is applied in the field of pesticides, can solve the problems of difficult to completely eliminate pathogenic bacteria, can not suppress the incidence of disease, and is highly susceptible to diseases, so as to improve the fruit setting rate of grapes, reduce gray mold rotten inflorescences, reduce Effects on the probability of infection

Inactive Publication Date: 2013-11-27
句容市丁庄老方葡萄专业合作社
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  • Summary
  • Abstract
  • Description
  • Claims
  • Application Information

AI Technical Summary

Problems solved by technology

If simply relying on strengthening cultivation management or increasing the application of organic fertilizers, phosphorus and potassium fertilizers, the incidence of disease cannot be suppressed, and if the control is started in the late flowering period, it will be highly susceptible to the disease and it is difficult to completely eliminate the pathogenic bacteria

Method used

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Examples

Experimental program
Comparison scheme
Effect test

Embodiment 1

[0013] Embodiment 1: a kind of control method before flowering of botrytis cinerea comprises the following steps:

[0014] (1) During the exposure period of grape tidbits, spray 30% mancozeb suspension 800 times liquid, 25 g / mu, 70% thiophanate-methyl wettable powder 800 times liquid, 20 g / mu, every 8 days Spray once, spray 4 times;

[0015] (2) During the separation period of grape inflorescences, spray 50% Baobei Fumei double wettable powder 1500 times liquid, 35 g / mu, 40% pyrimethanil suspension concentrate 800 times liquid, 40 g / mu, spray every 12 days Once, spray 3 times;

[0016] (3) Before the grapes bloom, spray 1500 times liquid of 50% Baobei Fumei double wettable powder, 25 g / mu, 1000 times liquid of 50% procymidone wettable powder, 15 g / mu, spray once every 6 days , spray 3 times.

[0017] Spray 70% thiophanate-methyl wettable powder 800 times liquid before flowering, spray once every 12 days, and spray 3 times.

[0018] Spray 20% prochloraz EC 1200 times before...

Embodiment 2

[0020] Embodiment 2: a kind of control method before flowering of botrytis cinerea comprises the following steps:

[0021] (1) During the exposure period of grape tidbits, spray 30% mancozeb suspension 800 times liquid, 27 g / mu, 70% thiophanate-methyl wettable powder 800 times liquid, 22 g / mu, every 9 days Spray once, spray 3 times;

[0022] (2) During the separation period of grape inflorescences, spray 50% Baobei Fumei double wettable powder 1500 times liquid, 37 g / mu, 40% pyrimethanil suspension concentrate 800 times liquid, 33 g / mu, spray every 13 days Once, spray 3 times;

[0023] (3) Before the grapes bloom, spray 1500 times of 50% Baobei Fumei double wettable powder, 17 g / mu, 1000 times of 50% procymidone wettable powder, 17 g / mu, spray once every 7 days , spray 2 times.

[0024] Spray 70% thiophanate-methyl wettable powder 800 times liquid before flowering, spray once every 14 days, and spray twice.

[0025] Spray 1200 times of 20% prochloraz EC before flowering, s...

Embodiment 3

[0027] Embodiment 3: a kind of control method before flowering of botrytis cinerea comprises the following steps:

[0028] (1) During the exposure period of grape tidbits, spray 30% mancozeb suspension 800 times liquid, 30 g / mu, 70% thiophanate-methyl wettable powder 800 times liquid, 25 g / mu, every 10 days Spray once, spray 3 times;

[0029] (2) During the separation period of grape inflorescences, spray 50% Baobei Fumei double wettable powder 1500 times liquid, 40 g / mu, 40% pyrimethanil suspension concentrate 800 times liquid, 35 g / mu, spray every 15 days Once, spray 2 times;

[0030] (3) Before the grapes bloom, spray 50% Baobei Fumei double wettable powder 1500 times liquid, 25 g / mu, 50% procymidone wettable powder 1000 times, 20 g / mu, spray once every 7 days , spray 3 times.

[0031] Spray 70% thiophanate-methyl wettable powder 800 times liquid before flowering, spray once every 16 days, and spray twice.

[0032] Spray 1200 times of 20% prochloraz EC before flowering,...

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Abstract

The invention discloses a pre-bloom grape gray mold prevention method. The pre-bloom grape gray mold prevention method comprises the following steps that during the grape inflorescence exposing period, 30% 800-fold mancozeb suspension liquid and 70% 800-fold thiophanate-methyl wettable powder are sprayed; during the grape inflorescence separating period, 50% 1500-fold thiram wettable powder and 40% 800-fold pyrimethanil suspending agents are sprayed; before grapes bloom, 50% 1500-fold thiram wettable powder and 50% 1000-fold procymidone wettable powder are sprayed. The pre-bloom grape gray mold prevention method can effectively prevent kyoho grape gray mold, reduce the ratio that the grapes are infected with diseases, reduce the occasions that inflorescences are rotted because of gray mold, improve the fruit setting rate of the grapes, ensure that clusters are typical and complete and the proportion of fault fruits is smaller than 4%, and satisfy requirements of the pollution-free food table grape (NY5086-2002) standard.

Description

technical field [0001] The invention relates to the technical field of pesticides, in particular to a method for preventing and treating botrytis cinerea. Background technique [0002] Botrytis cinerea is a common fungal disease that is difficult to control. It mainly damages flower ears, fruit ears or fruit stems, new shoots and leaves. Soft rot, sometimes with inconspicuous ring patterns, on which a sparse gray mold layer grows. Low temperature and high humidity are conducive to the disease. During the flowering period of grapes, the temperature is not high. If it is rainy and the air humidity is high, the flower spikes will often rot and fall off. At the ripening stage, due to the conversion of sugar in the fruit, the water will increase and the disease resistance will decrease. Low-lying terrain, leggy branches, closed orchards, insufficient ventilation and light transmission are severe. If simply relying on strengthening cultivation management or increasing the applic...

Claims

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Application Information

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IPC IPC(8): A01G13/00
Inventor 芮东明方应明
Owner 句容市丁庄老方葡萄专业合作社
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