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在毛主席“绿化祖国”的伟大号召指引下,我县广大干部群众积极开展了植树造林的群众运动,营造了10万余亩杉木林,由于精心培育管护,都在茁壮成长。但是,近年来发现有不少林木幼林和成林,普遍发生了叶枯病。据观察,这种病菌在4、5月份传染很快,连片纯杉林传染更快。杉树染病后,叶子呈现黄黑色,长势衰退,有的新梢枯死,甚至整根枝条枯死,严重地影响了生长。在批林批孔运动的推动下,我县林业战线上的广大干部和职工群众,抓大事,促大
Guided by the great call of Chairman Mao’s “greening the motherland,” the vast numbers of cadres and masses in our county have taken an active part in the mass movement of afforestation and afforestation and have created more than 100,000 acres of fir forests, all of which have grown stoutly due to careful nurturing of management and protection. However, in recent years, many young trees and forests have been found, and leaf blight is common. It is observed that this bacteria in April and May contagious quickly, conidia pure Fusulin infection faster. Cedar disease, the leaves appear yellow-black, growing decline, and some shoots died, and even the entire root dead wither, severely affected the growth. Driven by the pro-Lin and Kong Kong campaigns, the vast numbers of cadres and workers and staff members in the forestry front of our county have grasped major events and promoted large