苍溪县蜀柏毒蛾监测与预报

Monitoring and Forecasting of Parocneria orienta in Cangxi County

为推进苍溪县蜀柏毒蛾监测预报和防治工作规范化、科学化和正常化,分析了该县蜀柏毒蛾监测预报网络体系运行机制、组织机构与人员、技术路线与方法及存在的问题,并针对性提出相应的对策与建议。2022年苍溪县蜀柏毒蛾发生总面积7 807.73 hm^(2),较2021年增加40.3%,发生面积约占全县柏木林面积12.7%,主要发生在中低海拔区域;2022年全县平均有虫株率为50.17%、较2021年增加26.31%,平均虫口密度为每株98条、较2021年同期下降22.41%。

In order to promote the standardization, scientization, normalization of the monitoring, forecasting and controlling of Parocneria orienta in Cangxi County. We analyzed the operation mechanism, organization, personnel, technical routes, methods of the monitoring and forecasting network system of Parocneria orienta in Cangxi County, to proposed corresponding countermeasures and suggestions. In 2022, the total area of Parocneria orienta in Cangxi County was 7,807.73 hm^(2), 40.3% higher than the amount in 2021, accounting for 12.7% of the county’s cypress forest area, mainly in the middle and low elevation;the average rate of Parocneria orienta in the county was 50.17%, an increase of 26.31% compared with 2021, and the average density was 98 worms per plant, 22.41% lower than the same period in 2021.