1979年临沭县朱苍公社东朱苍一大队苹果炭疽病非常严重,就用250信及150倍“多菌灵”药液对发病园片进行喷打。320株大树除留30棵对照树外其余全部喷药。直到果子成熟采摘再没打药。 喷药后不断进行观察:两天后看到病情不再扩展,并发现果上豆粒以上大的病灶停止扩展,病皮逐渐开 In 1979, Lin Shuxian Zhu Cang commune Dong Zhu Cang a brigade of apple anthracnose is very serious, with 250 letters and 150 times “carbendazim” liquid on the incidence of Park tablets spray. 320 trees in addition to leaving 30 control trees all the rest of the spray. Until the fruit ripening picked no fight drugs. Continue to observe after spraying: two days later to see the condition is no longer expanding, and found that the fruit on the larger than the bean to stop the expansion of the lesion, the skin gradually opened