How to choose insecticides specifically for cucurbit crops?
During the growth of cucurbit crops, for the pests commonly encountered, there are some specialized insecticides, that is, low-toxicity pesticides that will not cause serious residue problems for cucurbits, introduced as follows. 1. Menazon. Also known as mieyaling. A highly effective, low-toxicity organophosphorus insecticide with contact and systemic action. In the early stage of melon aphid...
During the growth of cucurbit crops, for the pests commonly encountered, there are some specialized insecticides, that is, low-toxicity pesticides that will not cause serious residue problems for cucurbits, introduced as follows.
1. Menazon. Also known as mieyaling. A highly effective, low-toxicity organophosphorus insecticide with contact and systemic action. In the early stage of melon aphid occurrence, spray with menazon emulsifiable concentrate at 1000-1500 times dilution.
2. Yuhuode. Also known as pujiling, buprofezin. Mainly stomach poison, with contact action as well. It can be used to control aphids, thrips, whiteflies, etc., and can also incidentally control tea yellow mites. Method: spray with 25% Yuhuode wettable powder at 2000-3000 times dilution.
3. Mieyouniao. Insect growth regulator, mainly stomach poison, with contact action next. It can control various Lepidoptera pests and leafminer flies. In the young larval stage, spray with 25% mieyouniao suspension concentrate at 1500-2000 times dilution.
4. Imidacloprid. Also known as yibianjing, dagongfu, yashijing. It is a highly effective, broad-spectrum systemic insecticide with toxic and contact action, and has good control efficacy against piercing-sucking mouthpart pests. It can be used for the control of aphids, whiteflies, melon thrips, planthoppers, leafhoppers, etc. on watermelons and melons. Spray with 10% imidacloprid emulsifiable concentrate at 3000-4000 times dilution.
5. Diflubenzuron. Also known as mieyouniao No. 1, fuchongniao. It is a specific insecticide. It can control Diptera leafminer larvae and Lepidoptera crustacean pests. Generally, for young larvae, spray with 5% diflubenzuron emulsifiable concentrate at 1000-2000 times dilution or 25% wettable powder at 3000-4000 times dilution.
6. Actara water-dispersible granules. A highly effective, low-toxicity pesticide with contact and stomach poison action, and systemic properties. It can control aphids, leafhoppers, thrips, whiteflies, flea beetles, rice planthoppers, soil pests and some Lepidoptera pests, and has a very good controlling effect on virus transmission by aphids and thrips. Spray with 25% Actara water-dispersible granules at 10000-12000 times dilution.
7. Acetamiprid. Also known as mobilan, low toxicity. It has contact and stomach poison action and very good penetrative properties. It controls aphids, thrips, etc. Spray with 30% mobilan emulsifiable concentrate at 2000-2500 times dilution.
8. Cascade. Also known as flufenoxuron, a low-toxicity insecticide with contact and stomach poison action. It controls red pumpkin beetles, cucurbit leafminers and mites, but does not kill adult mites. Spray with 50% Cascade emulsifiable concentrate at 1000-1500 times dilution.
9. Atabron. Also known as chlorfluazuron, dingchonglong, a low-toxicity insecticide. It mainly has stomach poison action, with contact action as well, and no systemic action. It controls cucurbit leafminers, cucurbit fruit flies, cucurbit borers, cabbage caterpillars, cabbage borers, etc. Spray with 50% Atabron emulsifiable concentrate at 1000-2000 times dilution.
10. Diafenthiuron. Also known as baolu, a thiourea low-toxicity insecticidal and acaricidal agent. It has contact and stomach poison action. It can control mites, whiteflies, aphids, spider mites and other pests, and has good control efficacy against resistant cotton aphids and diamondback moths. Method: spray with 50% baolu wettable powder at 1000-2000 times dilution.
11. Liuyangmycin. Also known as duoduojunsu, an agricultural antibiotic low-toxicity acaricide. It has toxic action against mites. Spray with 10% liuyangmycin emulsifiable concentrate at 1000-2000 times dilution.