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New method for preventing and controlling fruit mulberry sclerotiniose without causing pesticide residue

A technology for pesticide residues and sclerotinia, which is applied in the field of preventing and treating fruit mulberry sclerotinia without pesticide residues, can solve problems such as disappointment, failure to completely kill pathogens, and restrictions on the large-scale promotion of fruit mulberry planting, so as to reduce labor costs , avoiding the problem of pesticide residues and reducing the frequency of application

Active Publication Date: 2015-09-02
屈恩勤
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Problems solved by technology

The above methods have been analyzed and demonstrated through many experiments, but the conclusions and consequences are disappointing: conventional methods to prevent and control sclerotia of fruit mulberry are due to the universality of the pathogen, the strong pathogenicity of the pathogen, and the rapid infection. No method can completely kill the pathogen
The above problems have restricted the large-scale promotion of fruit mulberry planting, so it is necessary to propose improvements

Method used

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Experimental program
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Effect test

Embodiment Construction

[0015] The new method for preventing and treating fruit mulberry sclerotinia without pesticide residues comprises the following steps:

[0016] 1) Use conventional techniques to measure the minimum temperature of the local soil and winter in the previous year, and measure the temperature and humidity of the fruit mulberry planting area this year, so as to grasp the incidence of field ground sclerotinia before the fruit mulberry blooms;

[0017] 2) Subdivide the flowering period of the fruit mulberry into three stages: Phase I, the initial blooming period of flower buds, which is defined as about 70% of the buds appearing, and about 40% of the buds first blooming; Phase II, the initial flowering period; defined as all the buds appearing, 30% About % of the stamens stretch out; Phase III, the full flowering stage, at this time all the buds have been fully opened, and 50% of the mulberry flowers have decayed;

[0018] 3) Control period: the first control: in the first phase of fr...

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Abstract

The invention provides a new method for preventing and controlling fruit mulberry sclerotiniose without causing pesticide residue. According to different phonological areas of fruit mulberry planting areas or changes of small climate such as temperature and humidity and surrounding disease source environments, in combination with comprehensive situations such as the lowest winter temperature in the previous year, specific forms of fruit mulberry blooming stages are artificially divided into three stages, so as to thoroughly prevent and control the incurable disease, i.e., the fruit mulberry sclerotiniose by using the existing bactericides in a certain time span at a specific blooming stage without using special pesticide and guarantee that mature mulberry fruits are free of pesticide residue. The new method has a very great application value.

Description

technical field [0001] The invention relates to the technical field of plant disease and insect pest control, in particular to a new method for preventing and controlling fruit mulberry sclerotinia without pesticide residues. Background technique [0002] Sclerotinia sclerotiorum is the main disease that harms mulberries. Due to the ubiquity of pathogens in nature and the particularity of air transmission, it is basically ineffective to rely on existing conventional methods for prevention and control. The existing general prevention methods are as follows Several types: one is to remove the weeds around the mulberry tree in autumn and winter, and plow the land deeply (deeply bury the pathogen); the other is because the purpose of planting mulberry in China for thousands of years is to raise silkworms, and the purpose of planting mulberry is to harvest mulberry fruit. The purpose is still in recent years. According to the national college textbooks, only carbendazim and thio...

Claims

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Application Information

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Patent Type & Authority Applications(China)
IPC IPC(8): A01G13/00A01G7/06
CPCA01G7/06A01G13/00
Inventor 屈恩勤
Owner 屈恩勤
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