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Method for determining tetranychus viennensis prevention and treatment period of apple trees

A hawthorn spider mite and apple tree technology is applied in horticultural methods, botanical equipment and methods, horticulture, etc., and can solve problems such as difficult application, long investigation time, and difficulty for technicians and fruit farmers to master, and achieves a low investigation workload, Easy to operate and avoid the effect of blind medication

Inactive Publication Date: 2021-04-13
ZHENGZHOU FRUIT RES INST CHINESE ACADEMY OF AGRI SCI
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Problems solved by technology

[0006] The purpose of the present invention is to provide a method for determining the control period of the apple tree hawthorn spider mite, so as to solve the hawthorn spider mite control index proposed by Li Daluan, Xiao Zhenhan, Chen Hanjie, etc. in the prior art. It takes a long time to master and investigate the situation, and it is difficult for technicians and fruit farmers to apply it in practice

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  • Method for determining tetranychus viennensis prevention and treatment period of apple trees

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Embodiment Construction

[0016] The specific implementation process is as follows:

[0017] Through a large number of field investigations, record the number of all hawthorn spider mites, calculate the average amount of spider mites and investigate the leaf mite rate at the same time. The leaf mite rate means only investigating whether there are hawthorn spider mites on the leaves, without investigating the specific number, and calculating the leaves with hawthorn spider mites. This greatly reduces the investigation workload. Based on a large number of investigation results, the relationship model between the leaf mite rate, the average amount of leaf mites and the field damage level is established, and the actual verification is carried out through field efficacy tests to ensure that the hawthorn Tetranychus simplifies The science and practicability of the type control index can quickly and easily determine the period of hawthorn Tetranychus control.

[0018] By fitting the logarithmic equation to th...

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Abstract

The invention belongs to the technical field of apple tree tetranychus viennensis prevention and treatment, and particularly discloses a method for determining the tetranychus viennensis prevention and treatment period of apple trees. The method comprises the following steps of conducting sampling survey on the quantity of tetranychus viennensis on leaves of the apple trees, calculating the average tetranychus viennensis quantity on the leaves, investigating the tetranychus viennensis-to-leaf rate, and determining the tetranychus viennensis prevention and treatment period based on a relation model between the tetranychus viennensis-to-leaf rate and average tetranychus viennensis quantity and the field damage level. The scheme is mainly applied to the process of preventing and treating the tetranychus viennensis of the apple trees, and the problems that in the prior art, tetranychus viennensis prevention and treatment indexes provided by Daluan Li, Zhenhan Xiao, Hanjie Chen and the like are tedious in investigation, not easy to master and long in investigation time in the actual operation process, and technicians and orchard workers are difficult to use in practice are solved.

Description

technical field [0001] The invention belongs to the technical field of prevention and control of the apple tree hawthorn spider mite, and specifically discloses a method for determining the control period of the apple tree hawthorn spider mite. Background technique [0002] Hawthorn Tetranychus is one of the main pests of deciduous fruit trees in northern my country. It is commonly known as red spider and is widely distributed in my country. It mainly harms pears, apples, peaches, cherries, hawthorns, plums and other fruit trees. Hawthorn spider mites suck the juice of leaves and young shoots as adults, nymphs and larvae. After the leaves are severely damaged, many small chlorotic spots appear first, and then expand and connect into pieces. In severe cases, the whole leaves turn yellow and fall off, which seriously inhibits the growth of fruit trees, and even causes secondary flowering, affecting the formation of flower buds in the current year and the next year. Yield. Th...

Claims

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Application Information

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Patent Type & Authority Applications(China)
IPC IPC(8): A01G13/00A01G7/00
CPCA01G13/00A01G7/00
Inventor 涂洪涛陈汉杰张金勇黄天祥
Owner ZHENGZHOU FRUIT RES INST CHINESE ACADEMY OF AGRI SCI
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