6.猕猴桃立枯病 本病主要危害株高10厘米左右的实生幼苗和成株期下部新梢近地表的嫩叶。危害幼苗时,幼苗茎基部呈水渍状,后变黑溢缩腐烂,根易拔断,其上长有白色霉状物。在叶片边缘亦可见暗绿色水渍状斑,后叶片青卷下垂,受害植株萎蔫死亡(图 la)。危害成株期下部新梢嫩叶时,叶缘 6. Kiwifruit blight The main harm to the plant height of about 10 cm seedlings and young adult plants near the surface of the young leaves near the surface. Hazardous seedlings, the seedling stem base was water-like, after the black overwhelmed rotten roots easily broken off, the long white moldy substance. Dark green water spots were also visible on the edges of the leaves, and the green leaves of the posterior leaves drooped, leaving the wilted plants dead (Fig. 1a). Harm the lower shoots of young shoots, the leaf margin