论文部分内容阅读
为适时有效防治梨小食心虫在山东泰安肥桃产区的为害,2008~2012连续5年采用性诱芯对其发生动态进行了监测研究。结果表明,梨小食心虫在山东泰安肥桃产区1年发生5代,有世代重叠现象。全年各代中以第3代成虫发生量最大,为害最重,是重要防治对象。其每年发生动态基本一致。但由于受温度和降水等气象因子的影响,每代发生高峰时间及各代发生量略有不同,年度间群体数量波动也较大。
In order to effectively prevent and control Pear Mungbean pests in the peach producing area of Tai’an, Shandong Province, the occurrence and development of peach moths were monitored by using sexual attractant for 5 consecutive years from 2008 to 2012. The results showed that Pear mungbean pest occurred in Tai’an peach producing area of Shandong Province for one year for five generations with overlapping generations. Throughout the year, the third generation of adults in all generations occurred the largest amount, hardest hit, is an important control object. Its annual dynamic basically the same. However, due to the influence of meteorological factors such as temperature and precipitation, the peak time of each generation and the occurrence of each generation are slightly different, and the number of the population fluctuates more during the year.