Main Pests and Control Methods for Rice in the Mid-to-Late Growth Stage
Which pests should be controlled in the mid-to-late growth stage of rice? Please provide an introduction and control methods. The pests to be controlled in the mid-to-late growth stage of rice are: 1. Control of rice planthopper: Rice planthoppers mainly inhabit the base of rice clumps, suck plant sap, causing rice plants to turn yellow and affecting yield. The control agents selected are: ① 25% Youlede wettable powder at 30 grams per mu: ② 25% sumicidin wettable powder at 100 grams per mu, mixed with 45 kg of water for spray control; ③ 20% yamailing emulsifiable concentrate at 100 mL per mu mixed with 45 kg of water for spray control; ④ saiqinone or 10% imidacloprid at 30 grams/mu mixed with 45 kg of water for spraying.
Which pests should be controlled in the mid-to-late growth stage of rice? Please provide an introduction and control methods.
The pests to be controlled in the mid-to-late growth stage of rice are:
1. Control of rice planthopper: Rice planthoppers mainly inhabit the base of rice clumps, suck plant sap, causing rice plants to turn yellow and affecting yield. The control agents selected are: ① 25% Youlede wettable powder at 30 grams per mu: ② 25% sumicidin wettable powder at 100 grams per mu, mixed with 45 kg of water for spray control; ③ 20% yamailing emulsifiable concentrate at 100 mL per mu mixed with 45 kg of water for spray control; ④ saiqinone or 10% imidacloprid at 30 grams/mu mixed with 45 kg of water for spraying.
2. Control of rice stem borer: Rice stem borers cause dead heart or white heads after damaging rice. The control agents selected are: ① 98% padan original powder at 30 grams per mu mixed with 25 kg of fine soil for broadcasting; ② 50% mingpa wettable powder at 80 grams per mu mixed with 45 kg of water for spray control; ③ 25% quinalphos emulsifiable concentrate at 150 mL mixed with 45 kg of water for spray control.
3. Control of armyworm: Armyworm is a migratory pest, mainly with larvae biting and eating leaves, causing notches, and even eating all the leaves. The control agents selected are: ① 25% decis emulsifiable concentrate at 40 mL per mu, mixed with water for spray control; ② 50% diazinon emulsifiable concentrate at 50 mL per mu mixed with 45 kg of water for spray control.
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