Which varieties can be used to control the white-backed planthopper in rice?
To control the white-backed planthopper in rice, the varieties that can be used are: (1) Buprofezin. The recommended dosage is 7.5-12.5 grams of active ingredient per mu. The key application technique is: spray at the early outbreak stage of the brown planthopper, and it is best to maintain a water layer in the field when applying. (2) Imidacloprid. The recommended dosage is 1-2 grams of active ingredient per mu. The key application technique is: spray at the early outbreak stage of the brown planthopper.
To control the white-backed planthopper in rice, the varieties that can be used are:
(1) Buprofezin. The recommended dosage is 7.5-12.5 grams of active ingredient per mu. The key application technique is: spray at the early outbreak stage of the brown planthopper, and it is best to maintain a water layer in the field when applying.
(2) Imidacloprid. The recommended dosage is 1-2 grams of active ingredient per mu. The key application technique is: spray at the early outbreak stage of the brown planthopper.