The function of several plant-derived pesticides :
1. Tobacco. Ink 1 kg of tobacco into 10 kg of hot water, remove it and put it in another 10 kg of water. Combine two mashes, mix with 10 kg of lime water (containing 0.5 kg of lime) and spray to prevent mites, thrips, mites and so on.
2, anisidine. Spray with 0.65% water agent 450 to 700 times to control aphids and mites.
3, Green Baowei. Spray with 0.5% emulsifiable concentrate 1000-2000 times to control leaf-eating caterpillars.
4, bitter vine. It is very effective to control the leaf caterpillars with the extract.
5, chili water. 50 grams of chili powder with 1 kg of water, boiled for 10 minutes, then cooled and filtered, sprayed to control aphids.
6, grass and ash. 1 part of the ash was soaked in 5 parts of water for 24 hours, filtered and sprayed to control aphids.
7, 9281. Also known as Green Tree Medicine, Funi, is made from Chinese and Western medicine and biological fluid. Apply 4 to 5 times solution after scribing on the sickness to treat the rot of the grass fruit tree.
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