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一、枣疯病1.症状。枣树发病后,主要表现为树体生理紊乱,内源激素平衡失调,叶片黄化,小枝丛生,花器返祖,果实畸形。病株根部表现为根瘤,根蘖苗表现为丛枝状,有的当年表现不明显,在第二年萌芽时即表现为丛枝。叶片有两种表现:一种为小叶型,枝叶丛生、纤细,小叶黄化等;另一种为花叶型,叶片凹凸不平,呈不规则的块状,黄绿不均,叶色较淡。这两种叶多出现在新生的枣头上。花器表现为花柄伸长变为小枝,花萼、花瓣、雄蕊变成枝,顶端长1～3片小叶。果实症状表现为落果严重,保留下来的果实畸形,果实疣状突起,着色不齐,呈病斑花脸型,果肉质地松软。
First, jujube bite 1. Symptoms. After the onset of jujube, the main manifestations of physiological disorders of the tree, endogenous hormones imbalance, yellow leaves, branches twig, flower back ancestral, fruit deformity. Roots of diseased plants showed nodules, root tillering plants showed tufted branches, and some did not show significant performance in the second year when buds show Congzhi. There are two kinds of leaf performance: one for the leaflet type, branches and leaves, slender, lobular yellow; the other is a mosaic type, leaf uneven, irregular block, yellow and green uneven, pale leaf color . These two kinds of leaves appear in the jujube head. Flower performance for the stem elongation into branchlets, calyx, petals, stamens become branches, top 1 to 3 leaflets long. Fruit symptoms showed serious drop fruit, preserved fruit deformity, fruit verrucous process, coloring uneven, was spotted face, fruit texture soft.