摘要
田间药效试验结果表明,用10%吡·灭WP防治棉蚜有良好的防治效果。每公顷用药量以600~750g为宜,防效可达78.37%~89.64%,持效期7~10d,并对作物安全。
The field efficiency test of the insecticide showed that 10% Pi-Mie WP solution was safe to crops and could effectively control cotton aphid. And the proper dosage is 600 g to 750 g per hectare, the efficiency reached 78.37% to 89.64%, and the functioning duration is 7 to 10 days.
出处
《杨凌职业技术学院学报》
2004年第3期3-5,共3页
Journal of Yangling Vocational & Technical College