摘要
田间药剂试验结果表明,25%吡蚜酮WP对水稻稻飞虱具有较好的防治效果,速效性好,持效性长,在试验剂量范围内,30 d防效可达84.63%～98.88%,建议用量为240～300 g/hm2。
The results of field drug experiment indicated that 25% Pyrrole aphis alkone wet powder had good preventing and controlling effect on rice plant hopper,which had good fast-acting and long lasting effect;with the experimental dosage,the effect of 30 d after applied drug reached 84.63%-98.88%;the suggesting dosage is 240-300 g/hm^2.
出处
《湖南农业科学》
2010年第3期75-76,共2页
Hunan Agricultural Sciences
关键词
吡蚜酮
稻飞虱
药效试验
Pyrrole aphis alkone
rice plant hopper
drug efficacy experiment
