【摘 要】
：
2017-2020年,通过对民勤绿洲白蜡绵粉蚧(Phenacoccus fraxinus Tang)监测防治试验及寄主白蜡(Fraxinus chinensis)的观察,记载了白蜡物候期及白蜡绵粉蚧的形态特征、摸清了白蜡绵粉蚧的生物学特性,总结出白蜡绵粉蚧的发生期与寄主物候期呈正相关,发生危害期与寄主白蜡物候期存在时间上的重叠性.提出危害中重度的区域需要持续防治3年,根据寄主物候期及时综合科学施治的方案.
【机 构】
：
民勤县林业技术推广站,甘肃 民勤 733399;民勤县林业和草原局公益林办公室
论文部分内容阅读
2017-2020年,通过对民勤绿洲白蜡绵粉蚧(Phenacoccus fraxinus Tang)监测防治试验及寄主白蜡(Fraxinus chinensis)的观察,记载了白蜡物候期及白蜡绵粉蚧的形态特征、摸清了白蜡绵粉蚧的生物学特性,总结出白蜡绵粉蚧的发生期与寄主物候期呈正相关,发生危害期与寄主白蜡物候期存在时间上的重叠性.提出危害中重度的区域需要持续防治3年,根据寄主物候期及时综合科学施治的方案.
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