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根据仪征市10多年来的调查数据和相关试验结果,分析了二化螟在单季稻区以及杂交稻、粳稻混栽情况下的发生规律,并据此探索了相对应的测报技术规范。结果表明,二化螟的为害特点是1、2代主要为害杂交稻,第3代为害粳稻,粳稻是当地3代过渡世代的桥梁田。依据全国和江苏省测报办法,明确每一代测报定性关键调查项目、方法和要求,形成了适合仪征市的二化螟测报技术规范工作流程。
According to the survey data and related test results of Yizheng City for more than 10 years, the occurrence rules of Stem Borer (Chilo suppressalis Walker) in single cropping rice region, hybrid rice and japonica hybrid rice were analyzed, and the corresponding technical specifications for measuring were explored accordingly. The results showed that the damage characteristics of the stem borer (Sesamia inferens) were mainly damaging hybrid rice in the first and second generation, the third generation of japonica rice and the japonica rice in the third generation of transitional generation. Based on the measures of the People’s Republic of China and Jiangsu Province as a means of reporting and determining the key qualitative survey items, methods and requirements of each generation of surveyed persons, a workflow of technical specifications for the measurement of striped borer was developed for Yizheng City.