论文部分内容阅读
随着耕作制度的改革和品种布局的调整,特别是杂交稻的大面积种植和两段育秧技术的推广,使二化螟在水稻螟虫种群中占了绝对优势。如何适时、省工、经济有数地防治一代二化螟,已成为川西粮烟混作地区植物保护的重要问题。近年来,我们采用了“重治秧田,综合治理本田”的防治策略,经大面积推
With the reform of the tillage system and the adjustment of the variety distribution, especially the large-area hybrid rice cultivation and the popularization of the two-stage seedling raising technology, the Stem Borer occupies the absolute superiority in the rice stem borer population. How to timely, labor-saving and economical prevention and control of a generation of striped stem borers has become an important issue of plant protection in the area where food and tobacco are mixed in western Sichuan. In recent years, we have adopted a strategy of “remediation of seedling fields and comprehensive management of Honda”. After a large area push