Method of controlling aphids by intercropping vegetables among tobacco plants to breed Aphidius gifuensis Ashmead

A technology of Broncophagus mizuris and vegetables, which is applied in horticultural methods, botanical equipment and methods, horticulture and other directions, can solve the problems of high cost of bee breeding facilities, long breeding cycle, large workload and the like, and achieves long duration of control, Reduce the cost of prevention and control, the effect of low cost

Active Publication Date: 2015-04-01
XINGREN BRANCH OF QIANXINAN TOBACCO CO +1
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Problems solved by technology

[0005] Aiming at the biological control of aphids on tobacco plants by the use of Aphids persicae, in the prior art, the cost of constructing bee breeding facilities is high, and the collect...

Method used

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Embodiment 1

[0019] A method for interplanting vegetables in tobacco to breed Aphids persicae to control aphids, the implementation steps of the method are:

[0020] (1) Raising aphid species

[0021] Select the cruciferous kohlrabi seedlings that aphids like as the cultivation plants of aphids. From January to April every year, the aphid-friendly kohlrabi seedlings are cultivated in batches in the aphid room in the greenhouse, and 20 kohlrabi seedlings are cultivated in each batch. Cultivate a batch in 20 days; after 20 days of cultivation of the first batch of kohlrabi seedlings in the aphid seedling room, collect white, yellow-green or green aphids in the field, and inoculate the first batch of kohlrabi seedlings cultivated in the aphid seedling room. On the plants of kohlrabi seedlings, connect 30 aphids to each plant of kohlrabi seedlings, and after 20 days of growth and reproduction of aphids on the plants of kohlrabi seedlings, select from the first batch of cultivated kohlrabi seed...

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Abstract

A method of controlling aphids by intercropping vegetables among tobacco plants to breed Aphidius gifuensis Ashmead is characterized in that during transplanting of tobacco seedlings, 20 to 40 aphid-friendly cruciferous vegetable seedlings are intercropped per mu among tobacco plants on a tobacco field; before the tobacco plants show aphid damage, parasitic aphids cultivated in an aphid culture room are inoculated to the cruciferous vegetable seedlings intercropped on the tobacco field. According to the method, aphids and wasps are naturally bred on the vegetable plants intercropped on the tobacco field, the Aphidius gifuensis Ashmead on the tobacco field can be aided in proliferating continuously in a long term to control aphid damage in tobacco, application of chemical pesticides in the tobacco planting process is greatly reduced, and tobacco safety is improved. The method has the advantages that tobacco aphids can be controlled effectively for a long term, the required scale of wasp cultivation is small, the cost is low, the Aphidius gifuensis Ashmead obtained has high resistance, aphids on the tobacco plants on the tobacco field can be controlled efficiently, manual collection and release of the Aphidius gifuensis Ashmead is not required, the process is simple, and labor consumption is lower.

Description

technical field [0001] The invention belongs to the technical field of biological control of agricultural and forestry pests, and in particular relates to a method for interplanting vegetables in tobacco to breed aphids aphids to control aphids. Background technique [0002] The tobacco aphid is one of the main pests in the production process of tobacco leaves. By sucking the nutrients of the tobacco plant, the nutrition of the plant is deteriorated, affecting the normal growth and development of the plant. It will affect the normal photosynthesis of plants and induce mildew. Aphids are the transmission medium of various viruses, spreading viruses, causing the epidemic of plant virus diseases, and seriously affecting the quality and yield of tobacco leaves. [0003] There are agricultural control, chemical control, physical control and natural enemy control methods to control aphids. For a long time, people mainly rely on the use of chemical insecticides for chemical control...

Claims

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Application Information

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IPC IPC(8): A01G13/00A01G7/06A01G1/00A01K67/033
CPCA01G7/06A01G13/00A01G22/00A01K67/033
Inventor 左成凤任伟汪兴高贵韦斌金永科吴云波
Owner XINGREN BRANCH OF QIANXINAN TOBACCO CO
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