What pesticides are used to control pests and diseases in cowpeas?

Cowpea is one of the common vegetables in daily life. It has strong adaptability, can be cultivated in the open field or under protected cultivation, and can also be produced year-round and marketed in all four seasons. So, what pesticides are used for cowpeas?

Under normal circumstances, cowpeas do not need pesticides, unless pests and diseases occur, in which case pesticides should be used according to the actual situation. Its main diseases include rust, mildew, viral disease, phytophthora blight, fusarium wilt, root rot, leaf mold, and so on, and its main pests include red spider mites, leafminers, stem borers, and so on, which can be controlled by spraying the corresponding pesticides.

1. Rust: At the early stage of the disease, 50% carbendazim wettable powder 500x solution, 25% carboxin emulsifiable concentrate 1500x solution, 25% triadimefon wettable powder 2000x solution and other pesticides can be sprayed evenly, for 2 to 3 consecutive sprays, with each spray 10-15 days apart.

2. Mildew: At the early stage of the disease, 65% zineb wettable powder 500x solution, 75% chlorothalonil wettable powder 600x solution and other pesticides can be sprayed evenly, which can effectively control this disease.

3. Viral disease: At the early stage of the disease, 0.5% vinegar solution 40 kg can be sprayed plus one bag of Jindian, which can control this disease.

4. Phytophthora blight: At the early stage of the disease, 58% ridomil manganese zinc soluble powder 500-800x solution, 64% sandofan wettable powder 500x solution, 72.2% propamocarb aqueous solution 800x solution and other pesticides can be used, sprayed once every 7-10 days, for 2-3 consecutive times.

5. Fusarium wilt: At the early stage of the disease, 50% carbendazim wettable powder 1000x solution, 90% hymexazol aqueous solution 1500x solution, 75% thiophanate-methyl wettable powder 1000x solution, plus Jiamei Hongli 800x solution and other pesticides can be used, with 50-150 grams poured per plant, once every 7-10 days, for 2-3 consecutive times.

6. Root rot: At the early stage of the disease, carbendazim, oxadixyl manganese zinc or hymexazol, thiophanate-methyl 1200x solution plus Jiamei Hongli 800x solution can be used for root drenching, about once every 10 days, for 2-3 drenchings.

7. Leaf mold: At the early stage of the disease, 50% carbendazim wettable powder 500x solution, 25% difenoconazole 1500-2000x solution, 75% thiophanate-methyl wettable powder 800x solution, 65% zineb wettable powder 600x solution, 14% copper ammonia complex aqueous solution 400x solution and other pesticides can be used, sprayed once every 7-10 days, for 2-3 consecutive times.

8. Red spider mites: 3000x avermectin solution, 3000x avermectin emulsifiable concentrate, 20% cyflumetofen suspension concentrate 1500x solution and other pesticides can be used, applied by even spraying.

9. Leafminers: chlorpyrifos, avermectin, emamectin benzoate, beta-cypermethrin, trichlorfon, dimehypo, cyromazine and other pesticides can be used for control.

10. Stem borers: Kung Fu 1500x solution, 21% synergistic fenvalerate-malathion emulsifiable concentrate 5000x solution, 2.5% deltamethrin 3000x solution, 20% fenpropathrin 4000x solution, 30% quick-kill 1500x solution and other pesticides can be used in alternating sprays, sprayed once every 7 days, for 2-3 consecutive sprays.