Pesticide for preventing and controlling crop underground pests and preparation method thereof

Abstract

The invention provides a pesticide for preventing and controlling crop underground pests, and belongs to the technical field of pesticides. The pesticide for preventing and controlling the crop underground pests is prepared from, by weight, 10-30 parts of fruits of zanthoxylum planispinum, 10-30 parts of herb of rumex trisetifer, 10-30 parts of macropodous tigernanmu, 10-30 parts of herb of polygonum persicaria, 5-20 parts of pepper, 5-20 parts of herba euphorbia lunulatae, 5-20 parts of catalpa leaves, 5-15 parts of rhizoma nardostachyos, 3-12 parts of folium viticis negundo, 3-12 parts of peking euphorbia roots, 1-10 parts of tobacco stems, 1-10 parts of gingko pericarp and 1-10 parts of a biological microbial agent, wherein the biological microbial agent is prepared from, by mass, 40%-60% of bacillus subtilis, 20%-30% of trichoderma harzianum and 20%-30% of beauveria bassiana. According to the pesticide, a synergistic effect is achieved through scientific compounding of the Chinese herbs and the biological microbial agent; the obtained pesticide is green, environmentally friendly and significant in underground pest prevention and control effect.

Description

technical field [0001] The invention belongs to the technical field of pesticides, and in particular relates to a pesticide for preventing and controlling underground pests of crops and a preparation method thereof. Background technique [0002] Underground pests of crops are common and of various types, mainly including scarabs (grubs), mole crickets, cutworms, and needle worms. Underground pests not only harm grain, cotton, and oil crops, but also harm vegetables, flowers, tobacco, sugar cane, fruit tree seedlings, etc. After the plants are damaged, the mild ones will wilt, the growth and development will be slow, the field will lack seedlings and break the ridges, the seedlings will grow unevenly, and the severe ones will dry up, die, and fail to harvest, which has a great impact on crop yield. [0003] Grubs, also known as white ground silkworms, are the larvae of the golden tortoise shell. Their bodies are milky white, wrinkled, fat and curved in a C-shape. Grubs are ...

AI Technical Summary

Problems solved by technology

The above technologies show that botanical pesticides can control subterranean pests and have certain application advantages. However, the development and utilization of botanical pesticides is still very slow, and there are many limiting factors. For example, the type and content of active ingredients of botanical pesticides are affected by their own genetic factors, The influence of external environmental conditions such as soil, temperature, light, and soil value will have regional and seasonal changes; and the content of active ingredients in different parts of the plant is also different, especially some active ingredients are unstable to light and heat, etc.

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