The use of 75% of daconil solution, 50% of badistan solution, 1000× solution of mildothane, 65% of zineb solution, 50% of metalaxyl solution or 500×liquid spray had favorable effect above 90%.
使用75%百菌清、50%多菌灵和50%甲基托布津的1000×液,65%代森锌、50%甲霜铜的500×液喷雾,对云杉的林间防效果均可90%上;