论文部分内容阅读
樟子松移植苗枯梢病 Sphaeropsissapinea可以通过药剂有效地进行防治。移植前以 50 %多菌灵 wp 50 0倍液浸苗 ;在人工林中 ,内吸性杀菌剂甲基托布津、多菌灵为首选药剂 ;在树木新梢生长停止期和展叶中期 (辽西北为 6月初和 6月中旬 ) ,70 %甲基托布津 wp 1 0 0 0倍液或 50 %多菌灵 wp50 0倍液防治 2次。保护性杀菌剂百菌清效果不佳。适时的卫生伐对该病有明显的抑制作用。
Pinus sylvestris Transplanting shoot blight Sphaeropsissapinea can be effectively controlled by the agent. 50% carbendazim wp 50 times before soaking in seedling soaking plants; in plantations, the systemic fungicide thiophanate-methyl, carbendazim is the preferred drug; in the growth of new shoot growth and mid-leaf expiration Northwest of Liaoning in early June and mid-June), 70% thiophanate-methyl wp100 or 50% carbendazim wp50 0 times twice. Chlorothalonil protective fungicide ineffective. Timely sanitary cutting has a significant inhibitory effect on the disease.