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Cotton aphid control method

A cotton aphid and cotton technology, which is applied in the agricultural field, can solve the problems of increasing the harm of the lily bug, and achieve the effects of strong field adaptability and simple planting.

Active Publication Date: 2013-08-28
INST OF PLANT PROTECTION SHANDONG ACAD OF AGRI SCI
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  • Summary
  • Abstract
  • Description
  • Claims
  • Application Information

AI Technical Summary

Problems solved by technology

[0003] In the prior art, alfalfa is a perennial plant that utilizes alfalfa belts to control cotton aphids, and is only suitable for large cotton fields and fixed-position Xinjiang cotton regions; Although planting alfalfa can control cotton aphids, it will also increase the harm of mirid bugs

Method used

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Embodiment 1

[0017] A method for preventing and controlling cotton aphids, which is realized by proliferating natural natural enemies in the field with sorghum aphids bred on sorghum, by planting sorghum belts on the edge of cotton belts, the number of rows of the cotton is 8 rows, and the row number of the sorghum The number is 1 row, and the row spacing of the cotton is 30cm.

[0018] The sorghum is sweet sorghum.

Embodiment 2

[0020] A method for preventing and controlling cotton aphids, realized by multiplying natural natural enemies in the field by sorghum aphids bred on sorghum, by planting sorghum belts on the edge of cotton belts, the number of rows of the cotton is 16 rows, and the number of rows of the sorghum Number is 2 rows, and the row spacing of described cotton is 40cm, and the row spacing of described sorghum is 45cm.

[0021] The sorghum is glutinous sorghum.

Embodiment 3

[0023] A method for preventing and controlling cotton aphids, realized by multiplying natural natural enemies in the field by sorghum aphids bred on sorghum, and realizing by planting sorghum belts on the edge of cotton belts, the number of rows of the cotton is 32 rows, and the row number of the sorghum Number is 4 rows, and the row spacing of described cotton is 50cm, and the row spacing of described sorghum is 50cm.

[0024] The sorghum is glutinous sorghum and sweet sorghum.

[0025]

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Abstract

The invention discloses a cotton aphid control method. The method is achieved by multiplying natural enemies in the field through sorghum aphid breeding on sorghum and by planting sorghum on the edge of a cotton belt. The ratio of the number of rows of the cotton belt to the number of rows of a sorghum belt is 6-10:1. A row gap of the cotton belt is 30-50 cm, and a row gap of the sorghum is 40-50 cm. The number of rows of the sorghum in the sorghum belt is 1-4, and the sorghum is one or two of sweet sorghum or glutinous sorghum. The adopted sorghum is annual crop and is applicable to diversified cropland cotton regions in Yangtze river and Yellow river basins in our country. Host specificity of the sorghum aphid is high so that the sorghum aphid can not jeopardize local main crops such as cotton and corn. Planting of sorghum is relatively simple, the sorghum is strong in adaptability to the field, and special management is not required. By breeding the sorghum aphid on the sorghum belt, the density of the natural enemies in the field is increased, and an effect of controlling cotton aphid damage to cotton is achieved.

Description

technical field [0001] The invention belongs to the technical field of agriculture, and in particular relates to a method for preventing and treating cotton aphids. Background technique [0002] China is the largest cotton producer and the largest cotton consumer in the world, so cotton production is of great significance to my country's economic development. With the widespread application of transgenic Bt cotton in China, piercing and sucking pests such as cotton aphids have become the main pests in cotton fields, causing serious harm to cotton production. At present, the control of cotton aphids mainly relies on chemical insecticides. Chemical control often brings about a series of problems such as environmental pollution, resistance of pests, and rampant pests. With the continuous rise of the green industry, the method based on chemical control has gradually been replaced by the ecological regulation method centered on making full use of the natural enemy's control ...

Claims

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Application Information

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IPC IPC(8): A01G13/00A01G1/00
Inventor 门兴元于毅张安盛周仙红李丽莉庄乾营李林懋丁楠
Owner INST OF PLANT PROTECTION SHANDONG ACAD OF AGRI SCI
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