Overwintering breeding method for aphidiusgifuensis in northern area

A kind of technology of Aphidia migneosa and area, which is applied in the field of biological control of agricultural and forestry pests, can solve the problems of difficulty of overwintering of Aphidia persicae, low survival rate, and inability to realize large-scale annual supply of breeding insect species, etc.

Inactive Publication Date: 2015-05-06
辽宁省烟草公司朝阳市公司
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Problems solved by technology

[0005] The purpose of the present invention is to provide a method for overwintering and breeding of A

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  • Overwintering breeding method for aphidiusgifuensis in northern area

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Embodiment 1

[0019] Embodiment 1 (host plant: Chinese cabbage seedling)

[0020] The method for the overwintering of the northern area Aphids persicae that the present invention proposes, concrete method steps are as follows:

[0021] (1) Greenhouse construction: the greenhouse is a steel frame glass structure, covered with insect-proof nets, films and shade nets, 24m long, 16m wide, 3m high, with a building area of ​​384m 2 The two conjoined greenhouses; the column spacing is 3m, the span is 6m, and the arch distance is 0.75m. The entire greenhouse is equipped with 4 sets of film rolls installed on both sides of the greenhouse and the roof, and there are 2 sliding doors, 1 front and 1 respectively. The semi-automatic sunshade net device is used to control the sunshade net. In order to strengthen the stability of the greenhouse, a horizontal rod is used every 3m in the greenhouse to fix it. The 60-mesh insect-proof net is used as the isolation layer of the bee breeding shed in the shed. A ...

Embodiment 2

[0035] Embodiment 2 (host plant: eggplant seedling)

[0036] (1) Greenhouse construction

[0037] The greenhouse is a steel frame glass structure with a length of 24m, a width of 16m, a height of 3m, and a building area of ​​384m 2 . The entire greenhouse is equipped with shading nets, 1.5m wide walkways, and 60-mesh insect-proof nets as the isolation layer of the bee breeding shed;

[0038] (2) Host plant cultivation management

[0039] Select crop eggplant seedlings for transplanting in the greenhouse. The cultivation temperature is 22-25°C, and the humidity is 70-80%. Reserve after the true leaves; cultivate a batch every 15 days to ensure that there are 3 to 5 host plants with true leaves throughout the winter for standby;

[0040] (3) Aphid inoculation

[0041] Collect the wingless nymphs that are not parasitized in the III age and the IV age as the aphid species, inoculate the back of the host plant blade cultivated in (2) step, 15 per strain, and the aphid adults b...

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Abstract

The invention discloses an overwintering breeding method for aphidiusgifuensis in the northern area. The method comprises the steps of greenhouse building, host plant cultivation, aphid inoculation, aphid breeding, aphidiusgifuensis inoculation, aphidiusgifuensis breeding and aphidiusgifuensis collection and preservation. With the overwintering breeding method, technical problems caused by larger difference of south and northern climate conditions are solved, and industrialization of the biological control technology from laboratory to field application is realized. Host plant cultivation management, aphid species management and aphidiusgifuensis species management methods are adopted in a greenhouse with controllable environmental conditions, provenances of a host plant for breeding the aphidiusgifuensis are guaranteed all the seasons in a year, and aphidiusgifuensis species are ensured to be provided all the seasons in the year; with the method, full year and batch supply of the aphidiusgifuensis can be guaranteed by the aid of aphid inoculation and breeding technologies as well as aphidiusgifuensis inoculation and breeding technologies, the technologies can produce and breed the aphidiusgifuensis continuously and circularly, and the overwintering problem of the aphidiusgifuensis in the northern area is solved.

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 overwintering breeding of Aphids aphids in northern regions during the process of biological control of agricultural and forestry pests. Background technique [0002] For a long time, people mainly control aphid damage by spraying chemical pesticides, which makes the drug resistance and drug resistance of aphids continue to increase, the use of chemical pesticides increases year by year, pollutes the environment, and poses a threat to the quality and safety of agricultural and forestry products. affect people's health. [0003] Aphidia persicae is a natural enemy of aphids. It lays its eggs in the body of aphids. When its larvae grow up, they suck nutrients from the body of aphids, thereby eliminating the aphids. The technology of preventing and controlling aphids by the natural enemy insect A. Biocontrol tec...

Claims

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Application Information

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IPC IPC(8): A01K67/033
CPCA01K67/033
Inventor 王晋军李元清吴国海高荣王春生高文军赵晓峰杨光唐楚慧徐博
Owner 辽宁省烟草公司朝阳市公司
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