Method for controlling prodenia litura for organic vegetables

A technology of Spodoptera litura and organic vegetables, applied in botanical equipment and methods, insecticides, animal repellants, etc., can solve the problems of Spodoptera litura virus death, different species of Spodoptera litura, and reduced virus activity, etc. To achieve the effect of solving human and animal poisoning, low cost of prevention and control, and reduction of drug resistance

Inactive Publication Date: 2019-01-11
张和平
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AI Technical Summary

Problems solved by technology

However, the Spodoptera litura virus currently on the market is mainly dried water-dispersible granules. During the drying process, dehydration, added auxiliaries, packaging, transportation, storage, and environmental temperature changes will inevitably cause The death of part of the Spodoptera litura virus, resulting in a decrease in the activity of the virus as a whole
On the other hand, the Spodoptera litura virus products purchased in the market are subject to regional restrictions, and the produced Spodoptera litura virus has different effects on Spodoptera litura in different regions. Since Spodoptera litura is a highly resistant Crop pests, the species of Spodoptera litura in different regions and on different crops are also different
Again, the organic vegetable production process has extremely strict requirements on agricultural inputs, and under the latest technical conditions, there are still relatively large safety risks in purchased plant protection inputs

Method used

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  • Method for controlling prodenia litura for organic vegetables

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Embodiment 1

[0026] A control method for organic vegetable vegetable Spodoptera litura, the steps are:

[0027] S1. Collection of Spodoptera litura virus source: Purchase commercially available 20 billion PIB / gram Spodoptera litura nucleopolyhedrosis virus granules, and prepare a 7500-fold solution. When Spodoptera litura grows to 3-4 ages on organic vegetables , spray the prepared virus solution; after 6-7 days after spraying the virus solution, when the Spodoptera litura of virus infection grows to 5-6 ages, Spodoptera litura will begin to die; (The main identification method is that the worms that die from virus infection usually climb to the top of the crop and die, which is the best way to distinguish the worms from dying due to other reasons) Put it in a container and seal it;

[0028] S2. Preparation of Spodoptera litura virus: Place the collected dead worm bodies in an indoor environment at 25 degrees Celsius, and let them stand for 1-2 days. During the standing process, the virus ...

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Abstract

The invention belongs to the technical field of pest control, and particularly relates to a method for controlling prodenia litura for organic vegetables. The method comprises the following steps: step one, virus collection; step two, virus preparation; step three, virus preservation; and step four, virus usage. The method can solve the problem of prevention and control of prodenia litura in the organic vegetables, avoids the resistance of prodenia litura, reduces the damage of pesticides on the farmland ecological environment, and solves the problem of secondary toxicity of pesticide toxicityto human and animal poisoning.

Description

technical field [0001] The invention belongs to the technical field of pest control, and in particular relates to a control method for Spodoptera litura of organic vegetables. Background technique [0002] Spodoptera litura (scientific name: Spodoptera litura (Fabricius)) is a species of the genus Spodoptera litura in the family Noctuidae of the order Lepidoptera. It is a class of omnivorous and gluttonous pests. It harms a wide range of hosts. In addition to cruciferous vegetables, it can also harm melons, eggplants, beans, etc. There are nearly 100 families and more than 300 kinds of plants, such as scallions, leeks, spinach, grains, and economic crops. The larvae eat the leaves, flower buds, flowers and fruits. The first-instar larvae eat the lower epidermis and mesophyll of the leaves, leaving only the upper epidermis as transparent spots; after the 4th instar, they enter gluttony and bite the leaves, leaving only the main veins. On the cabbage, the larvae can also dr...

Claims

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Application Information

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Patent Type & Authority Applications(China)
IPC IPC(8): A01N63/02A01P7/04
CPCA01N63/10
Inventor 林福宇张和平李光耀陈永娴
Owner 张和平
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