一、桃细菌性穿孔病穿孔病是一种由细菌引起的病害。叶片受害后,先出现很多水浸状的小斑点,然后扩大成病斑,最后病部干枯脱落,形成穿孔。该病还可以侵害枝条,形成溃疡斑。果实受害后出现水浸状的小斑点,然后逐渐变黑,在发病的地方常出现许多裂纹。该病尤其对晚熟桃为害严重。 First, peach bacterial perforation disease Perforated disease is a disease caused by bacteria. After the leaves were damaged, many of the first flooded small spots appeared, and then enlarged into lesion spots. Finally, the diseased parts became dry and peeled off to form perforations. The disease can also damage the branches, the formation of ulcer spots. After the fruit is damaged, a small, blotchy blob appears, and then gradually darkens, often causing many cracks in the area of ​​the disease. The disease is particularly damaging to late ripe peaches.