【摘要】 对龙泉市近年来毛竹笋的主要害虫一字竹笋象的危害情况进行初步调查。分别在龙泉小梅镇泥岭头村和高际头村毛竹林中采取随机区组,设置18块20 m×20 m的样地,3次重复调查立竹梢头的危害情况。结果两地平均危害率分别达58.9%和85.0%,并分析主要形成原因,提出防治的措施和意见。更多还原

【Abstract】 A preliminary investigation was conducted on the damage of the main pest of bamboo shoots by Otidognathus davidis in Longquan City of Zhejiang Province in the past years. Eighteen plots were set up by randomized block design with three replications in Nilingtou Village and Gaojietou Village of Xiaomei Town, Longquan City, Zhejiang Province. The average damage rates of the two places were 58.9% and 85.0%, respectively. The main causes of formation are analyzed. The measures and suggestions for prevention and control were put forward.更多还原