Brown planthopper distributes very wide, and it has been the major rice insects in Southern China.
褐飞虱在中国分布很广，近年来已成为南方稻区的主要害虫。
2
Recovery velocity of root absorption correlated with brown paddy planthopper density and bite days.
根系的恢复速度与褐飞虱密度和为害天数有关。
3
It has the characteristics of high yield, strong resistance to blast and brown planthopper, acceptable grain quality, high seed production yield potential and wide adaptability.