Chemical prevention and control method for oriental fruit moth
The invention relates to a technology for the control of pear worms and chemical control, which can be applied in the fields of botanical equipment and methods, horticulture, cultivation, etc., and can solve the problems of unstable and incomplete control technology effects, reduce the frequency and cost of spraying, and improve the killing effect. , the effect of protecting young fruit
Inactive Publication Date: 2017-11-14
WUXI CITY FORESTRY STATION
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Problems solved by technology
[0005] The invention provides a simple and effective chemical control method for the small pear borer to solve the problem of unstable and incomplete effects of the existing control technology, and at the same time treat other pests during the control period of the small pear borer
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[0021] The present invention will be further described in detail in conjunction with specific implementation below.
[0022] A kind of chemical control method of small pear borer, concrete implementation comprises the following steps:
[0023] (1) After fruit thinning is completed in 40-50 days of fruit setting, before the rain, the rainfall should reach 5mm. Spread 3-4 kg of 90% trichlorfon crystals per mu on the ground of the pear orchard. In order to ensure uniform spreading, uniform mixing is required Add 10-20 kg of fine soil and sprinkle it together; dissolve it into the soil after the rain to prevent the larvae of the small pear borer in the soil. After being gradually absorbed by the pear tree, it can kill the pears that are constantly hatching and feeding within 50-60 days after spreading. Small borer larvae and other pests, so that the fruit after fruit setting will not be harmed by pear borer;
[0024] (2) Starting 15 days before the pear fruit is picked, spray 80%...
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The invention discloses a chemical prevention and control method for oriental fruit moth. The method comprises the following steps: (1) thinning fruit after settling fruit for 40-50 days, spreading 3-4kg of 90% dipterex crystals into each acre of soil before raining and under the condition of the rainfall reaching up to 5mm, and uniformly stirring 10-20kg of fine soil and spreading together with the fertilizer, thereby guaranteeing uniform spreading; (2) starting to spray 500 times of diluted liquid of 80% dichlorvos missible oil into the whole pear garden at the rate of 75-100 liters / mu in sunny day 15 days before pear picking, spraying the diluted liquid once per 5 days and repeating for 3 times. According to the invention, the chemical prevention and control of oriental fruit moth is concentrated, a stable and thorough preventing and controlling effect can be achieved, and the operation is simple and feasible; the rate of the pear damaged by the oriental fruit moth can be controlled below 1%; the economic loss caused by the damage of the oriental fruit moth can be avoided.
Description
technical field [0001] The invention belongs to the technical field of pear tree disease and insect pest control. Background technique [0002] The small pear borer, English name: Grapholitha molesta (Busck), belongs to the genus Grapholitha molesta. Pear borer is an important worldwide fruit tree pest. Its main host plants are peaches, pears, apples and other Rosaceae pomegranates and walnuts and other stone fruits. They are distributed all over the country and have caused huge losses to the development of the fruit tree industry. . The insect has multiple generations in a year, different generations in different regions, overlapping generations, severe age differentiation, and the ability to migrate in the field and between different hosts, which brings difficulties to control. [0003] With the change of the ecological balance in nature, the resistance of the pear borer is getting stronger and stronger, which has become a bottleneck restricting the development of the pe...
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IPC IPC(8): A01G17/00A01G13/00
CPCA01G13/00A01G17/005
Inventor 徐晓清蒋巧根钱栋宇陈云房后忠
Owner WUXI CITY FORESTRY STATION