Pollution-free agricultural products

In recent years, the plant protection departments at all levels have done a lot of experimental and demonstration work, and selected a number of pest control pesticides suitable for the production of pollution-free agricultural products, and clarified their use technology.
1. Vegetable pests (1) Pieris rapae. The cabbage caterpillar mainly occurs in the late spring and early summer and is one of the main pests of cruciferous vegetables. In the peak period of young larvae of cabbage caterpillar, the optional agents are Bt1000 times liquid, 1% sea chlorhexidine emulsifiable concentrate 3000 times liquid, 1.8% insecticidal emulsifiable concentrate 3000 times liquid, especially the use of enemy kill tablets. (1 piece per sprayer) to reduce environmental pollution.
(2) Plutella xylostella. Plutella xylostella mainly occurs in late spring and early summer and autumn, and is one of the main pests of cruciferous vegetables. In the peak period of the young larvae of Plutella xylostella, the available agents are: 5% Regent suspension 2000 times solution, 5% Tiebao emulsion 1500 times solution, 5% card dead emulsifiable concentrate 1500 times solution, 18.1% rich 2500 times liquid of sharp emulsifiable concentrate, 3000% liquid of 1% Haizheng worm spirit emulsifiable concentrate, Bt800 times liquid, 2.5% liquid suspension of 1000~1500 times.
(3) cockroaches. There are mainly red spiders, sassafras and so on. It can be sprayed with 1% of the sea cockroach emulsifiable concentrate 3000 times liquid at the peak of the ruthenium.
(4) Noctuidae. There are mainly Spodoptera litura, Spodoptera exigua, and Spodoptera litura. Spodoptera litura and beet armyworm are one of the summer vegetable pests, which usually develop from July to August. Spray control at the peak of young larvae, the available agents are: Aolu No. 1 Suspension 500 times (viral preparation) solution, 40% chlorpyrifos EC 1500 times solution, 40.7% lesper emulsifiable oil 1500 times solution, 5 % inhibition of Taibao emulsifiable concentrate 1000 ~ 2000 times liquid, 5% card dead gram 4000 times liquid, 20% of the suspension agent 1000 times liquid. If it is more than 2 years old, it can be sprayed with 20% of the suspension 1000 times solution or 15% suspension agent 3000 times.
(5) Aphids. Aphids are also the main pests of vegetables, fruit trees, flower seedlings, wheat, rapeseed and rice. In addition, they are the media of most viral diseases, mainly in April-June and September-November. It can be controlled by spraying 10% imidacloprid (Shi Kejing, 蚜虱净) wettable powder 2500 times or plant-derived pesticide 20% bitter and alkali-resistant 1500 times. Omethoate is strictly prohibited.
(6) Hummer. It can be controlled by spraying 5% Ruijinte suspension 2000 times solution, or 10% imidacloprid wettable powder 2500 times solution, or 2.5% vegetable suspension suspension 1000-1500 times.
(7) Bean wild donkey. One of the main pests of beans. It can be sprayed with 5% Ruijinte suspending agent or Bt800~1000 times liquid, or 5% taibao emulsifiable oil 1500~2000 times liquid, or 10% oxycyanate emulsifiable concentrate 1500 times liquid at the peak of egg hatching.
(8) Melon. One of the main pests of melons. It can be sprayed evenly at the peak of young larvae with 25% solution of 5% Regent suspension.
(9) Liriomyza sativae. At the peak of egg hatching, the selected agents are: 20% green demi microemulsion 1000 times liquid, 75% latent wettable powder 500-8000 times liquid, 1% sea positive insecticide emulsifiable concentrate 300 times liquid, 12% protective net wettable powder 100O times liquid.
2. Underground pests. Underground pests such as cockroaches, cockroaches, golden worms, and cockroaches can be treated with 3% protective net granules for 3 to 4 kilograms per hectare for uniform application, ditch application or acupoint application.
3. Nematode. 1/15 hectares with 3% Leer granules 4 to 5 kg, or 1% Haizheng worm spirit emulsifiable concentrate, or 1.8% insecticidal emulsifiable concentrate (avermectin) 6 to 8 per square meter The soil is sterilized by milliliters, and it can be sprayed on the soil surface by spraying 1% of the sea chlorhexidine emulsifiable concentrate 80 times in the crop growing season.
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