What kind of pesticide do green onions use?

Green onion is one of the common onion vegetables, and it is also a very popular vegetable and an important condiment. It has high yield and easy cultivation. Many people grow it. So, what kind of pesticide does green onion use?

If green onions do not have diseases and insect pests, they do not need to use pesticides. If diseases and insect pests occur, they need to be treated according to the actual situation. The diseases of scallions mainly include purple spot, downy mildew, virus and so on, and the pests mainly include leaf miner, onion thrips, beet armyworm and so on, which can be controlled by corresponding pesticides.

1. Purple spot: at the initial stage of the disease, pesticides such as 75% chlorothalonil wettable powder 500 times, 70% mancozeb wettable powder 500 times, 64% poison alum 500 times, and other pesticides were sprayed alternately, once every 7 days and 3 times in a row.

2. Downy mildew: at the initial stage of the disease, spray 25% metalaxyl wettable powder or 75% chlorothalonil wettable powder 500 times 600 times, once every 7 days for 3 times.

3, virus disease: at the initial stage of the disease, spray 20% virus A wettable powder 500 times, spray 2 times for 3 times.

4. Leaf miner: during the peak period of adults, 40% dimethoate EC 1000 times, 40% omethoate EC 1000 times 2000 times, 50% dichlorvos EC 1500 times, 40% diazinon EC 1000 times 1500 times and other pesticides were sprayed for 2 times.

5. Onion thrips: during the peak period of nymph occurrence Spraying 10% imidacloprid wettable powder 2500 times, 10% except complete EC 2000 times, 40% chlorpyrifos EC 1500 times, 48% chlorpyrifos EC 1300 times, 1.8% chlorpyrifos EC 3000 times, 17.5% aphid net wettable powder 2000 times, 40% Qixingbao EC 600 times 800 times, 25% Eckas EC 1500 times, 50% phoxim EC 1500 times and other pesticides, control 2 times for 3 times.

6. Beet armyworm: during the peak hatching period of the larvae, spray 25% cyfluthrin EC 1000-2000 times, cyhalothrin EC 1000 times, cyfluthrin EC 1000 times, cyfluthrin EC 1000 times and flufenuron dispersible solution 1000 times.