论文部分内容阅读
石榴钻心虫,学名桃蛀螟,是危害石榴果实的主要害虫。桃蛀螟在该地一年发生三代,少数两代,以老熟幼虫在树皮裂缝、树叶堆里或农作物秸杆内越冬,次年5月上旬开始化蛹,5月下旬开始化成虫。成虫喜欢在石榴萼筒内产卵,孵化的幼虫大多就地蛀果为害。第一代幼虫发生盛期在6月下旬至7月份,是危害石榴果实的重要时期,针对这一发生规律,防治石榴钻心虫可采取以下措施:一要注意消除越冬寄主中的老熟幼虫,减少虫源,并对
Pomegranate bored worm, Peach borer scientific name, is harmful to pomegranate fruit of the main pests. Peach moth occurs three generations a year in the area, a few generations to mature larvae in bark cracks, foliage or crop straw winter, the first year of May began pupation in late May began adult. Adults like to spawn in the calyx tube of a pomegranate, and most of the larvae hatch in the borehole. The first generation of larvae peaked in late June to July, is an important period endangering pomegranate fruit, in view of this rule, prevention and treatment of pomegranate borer can take the following measures: First, we must pay attention to eliminate the overwintering host of mature larvae, Reduce the source of insects, and right