Leaf vegetable environment-friendly pesticide and preparation method thereof

Abstract

The invention discloses a leaf vegetable environment-friendly pesticide and a preparation method thereof. The leaf vegetable environment-friendly pesticide comprises the following raw materials in parts by weight: 30 to 40 parts of pyrethrum, 30 to 50 parts of flos daturae, 10 to 20 parts of radix sophorae flavescentis, 15 to 20 parts of croton, 10 to 20 parts of lithospermum and 10 to 25 parts of thunder god vine. The production method comprises the following steps of adding pyrethrum, flos daturae, radix sophorae flavescentis, croton, lithospermum and thunder god vine in 5 to 10 times of water, boiling the mixture with strong fire, then boiling the mixture with slow fire for 30 to 50 minutes, filtering the medicine liquid, adding 3 to 6 times of water to boil the filter slag for 30 minutes, merging the filter liquid obtained in twice filtering to obtain the product. The leaf vegetable environment-friendly pesticide can effectively control injurious insects such as aphid, armyworm, plutella xylostella, cabbage caterpillar and rice planthopper and is environmentally friendly and non-toxic.

Description

technical field

[0001] The invention relates to the field of vegetable production, in particular to a green insecticide for leafy vegetables and a preparation method thereof. Background technique

[0002] Vegetables are an indispensable part of people's dining table, and leafy vegetables are very vulnerable to vegetable pests such as aphids, armyworms, cabbage worms, etc. Therefore, pest control is of great significance in the process of vegetable cultivation. It not only involves the yield of vegetables , more related to the quality of vegetables. Most of the pesticides currently used are chemical pesticides, and pests are prone to develop resistance, and a large amount of pesticide residues endanger human health. Contents of the invention

[0003] The invention proposes a green insecticide for leafy vegetables and a preparation method thereof, which not only can kill insects efficiently, but also contains traditional Chinese medicine ingredients in the insecticide, is g...