我场1992年引入红地球葡萄,通过几年的栽培,总结出该葡萄的发病规律。红地球葡萄主要有黑疽病、霜霉病、灰霉病、炭疽病等病害。 1.黑痘病 主要危害幼叶、嫩梢和幼果。幼叶发病时,病斑褐色,呈多角形斑,叶脉发病部分停止生长,造成叶片皱缩畸形,中央易干枯穿孔,边缘仍保持紫褐色晕圈。叶柄、嫩梢、穗梗受害后,出现长椭圆形或棱形病斑,灰黑色,边缘紫色或深褐色,稍凹陷、干裂。幼果感病后呈 My field in 1992 introduced the Red Globe grape, through years of cultivation, summed up the incidence of the grapes. Red Globe Grape mainly black disease, downy mildew, gray mold, anthracnose and other diseases. 1. The main cause of acne disease young leaves, young shoots and young fruit. Occurrence of young leaves, spot brown, polygonal plaque, part of the vein to stop the growth of disease, causing folds deformity, the central easy to dry perforation, the edge remains purple brown halo. Petiole, tender shoots, ear stem damage, the emergence of long oval or prism lesions, gray-black, purple or dark brown edge, slightly depressed, dry crack. After the young fruit was sick