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Ecological prevention and treatment method for vegetable tetranychidae

A vegetable spider mite and ecological technology, applied in the field of ecological control of vegetable spider mites, can solve the problems of high cost and short timeliness, and achieve the effects of avoiding damage, zero cost, and saving resources

Inactive Publication Date: 2015-05-06
INST OF VEGETABLE & FLOWERS CHINESE ACAD OF AGRI SCI
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  • Summary
  • Abstract
  • Description
  • Claims
  • Application Information

AI Technical Summary

Problems solved by technology

[0005] However, when adding and spraying garlic extract, the cost is high, and the garlic extract volatilizes quickly and acts for a short time, so it needs to be sprayed with garlic extract several times at high frequency to achieve effective field control

Method used

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  • Ecological prevention and treatment method for vegetable tetranychidae
  • Ecological prevention and treatment method for vegetable tetranychidae
  • Ecological prevention and treatment method for vegetable tetranychidae

Examples

Experimental program
Comparison scheme
Effect test

Embodiment 1

[0031] Example 1 Ovicidal activity of garlic extract on Tetranychus truncates

[0032] Preparation of garlic liquid: Put 25g of peeled garlic cloves into a mortar, grind them, transfer them to a 500ml glass container, add 250ml of distilled water, and store them in an artificial climate box at 25±1°C and 60%RH. , After 24h, filter with gauze and filter paper to get the supernatant, set aside. Set the following three concentrations for the treatment of spider mite eggs. Treatment I: 1ml garlic liquid + 9ml distilled water; treatment II: 5ml garlic liquid + 5ml distilled water; treatment III: 10ml garlic liquid.

[0033] Treatment of spider mite eggs: 5 newly hatched female adult mites of Tetranychus truncation were placed on the peanut leaf butterfly, and the adult mites were removed after 24 hours of laying eggs, leaving only 20 eggs. The leaf butterfly was immersed in the above-mentioned different treatment solutions for 5 seconds, distilled water was used as a blank contro...

Embodiment 2

[0038] Example 2 Determination of Garlic Extract's Repellent Activity to Tetranychus truncates

[0039] With reference to the method of Zhou Qiong et al. (Journal of Applied Ecology, 2003, 14(2): 249-252). The details are as follows: Cut the leaves of bean seedlings with the midrib into discs with a diameter of 8 cm, and keep the leaves on both sides of the midrib symmetrically consistent. Use a brush to smear the leaf surface and back of the leaves on the side of the vein evenly with garlic treatment liquid, and the other side with garlic. Smear the same amount of distilled water as the garlic treatment solution as a control, put it on filter paper after the leaves are dry, and stick it on the 2.5% agar medium; use a brush to gently pick the female adults of Tetranychus truncates on the back of the leaves On the veins, 50-60 heads per leaf, seal the mouth of the dish with plastic wrap, and culture it under constant temperature conditions of 25±1°C, 60-80%RH, photoperiod L:D=1...

Embodiment 3

[0042] Example 3 Effects of Garlic and Eggplant Intercropping on Tetranychus Population

[0043] In the spring plastic greenhouse (land area of ​​about 4 points) located in Shunyi Experimental Farm, Beijing, the eggplant seedlings and garlic seedlings were planted at intervals according to the ratio of 1:1, 2:1, and 4:1, and the interval between treatments was at least 5. The eggplants (2 rows per row) were used as the isolation zone, and the eggplant area was planted alone as the blank control. Both the treatment group and the control group were treated with conventional field agricultural management operations. In mid-June, the investigation on the occurrence of spider mites on eggplants in each treatment was started, and the investigation was conducted once a week, for a total of 4 investigations. 4 points were investigated in each treatment, 10 plants were investigated in each point as a repetition, 4 times in each point, a total of 40 plants were investigated.

[0044] A...

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Abstract

The invention relates to an ecological prevention and treatment method for vegetable tetranychidae, and belongs to the technical field of ecological agriculture. The ecological prevention and treatment method for the vegetable tetranychidae is characterized in that intercropping is carried out on vegetables and garlic. According to the method, increase of the number of tetranychidae populations in the vegetable crop growth process can be effectively controlled, and the product quality safety of the vegetables is guaranteed. The method is free of cost and pollution, environment resources are saved, the health of human beings is protected, the natural ecological balance is maintained, and a foundation is laid for implementation and application of the pollution-free and sustainable prevention and control technology of the tetranychidae.

Description

technical field [0001] The invention relates to an ecological control method for vegetable spider mites, belonging to the technical field of ecological agriculture. Background technique [0002] Vegetable spider mites belong to the family Arachnidae, Acariidae, Tetranychidae, belonging to the worldwide agricultural pest mite, mainly including Tetranychus truncatus Ehara, T.cinnabarinus (Boisduval) and T. .urticae Koch. Tetranychus hosts a wide range of plants and has a variety of feeding habits. Tetranychus urticae alone can damage at least 1,000 species of host plants (Dermauw et al., 2013, PNAS, 110(2):E113-E122), of which 35 are vegetable crops, mainly Beans and melon vegetables, eggplant, tomato, pepper, potato, amaranth, shepherd's purse, etc. Tetranychus mainly use adult mites and young nymphs to pierce and suck leaf juice on the back of leaves and spin silk to form webs, affecting the normal growth of plants, causing chlorosis and death in severe cases, or the whole...

Claims

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Application Information

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Patent Type & Authority Applications(China)
IPC IPC(8): A01G13/00A01G1/00A01N65/42A01P7/02
CPCA01G13/00A01G22/00A01N65/42
Inventor 王少丽王玲刘贻聪张友军吴青君谢文徐宝云
Owner INST OF VEGETABLE & FLOWERS CHINESE ACAD OF AGRI SCI
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