煤污病是花椒栽培过程中的常发病,近年在天水地区呈明显上升趋势。发病初期在病斑上产生黑色疏松霉斑,连片后使枝、叶、果面覆盖一层烟煤状物,树体变黑,叶片气孔阻塞,严重影响着光合、呼吸、蒸腾作用的效果,导致生长不良,叶片脱落,果实色泽暗,香、麻味淡,品质和产量明显下降,严重时,可使树体干枯死 Coal pollution is a common disease in pepper cultivation process, showing a clear upward trend in Tianshui in recent years. Early onset of disease in the black spots on the loose mold, contiguous branches, leaves, fruit surface covered with a layer of bituminous material, the tree black, leaf stomata blocked seriously affect the photosynthetic, respiratory, transpiration effect, Lead to poor growth, leaves fall off, the fruit dark color, incense, numbness light, quality and yield decreased significantly, when severe, can make the tree dry