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杏疔病,又叫黄病、红肿病,仅危害杏树。主要危害新梢、叶片,受害严重时危害杏花和果实,影响杏树的正常生长和果实品质。1病原及发病规律该病病原菌属子囊菌亚门,球壳菌目,疔痤菌科,杏疔座霉菌。病菌以子囊壳在病叶或芽体内越冬。次年3月下旬至4月上旬,杏树萌芽时遇雨后,病叶中的子囊孢子即从子囊壳中放射出来,借助风雨或气流传播到幼芽上,很快入侵芽体萌发危害(或芽体内的病菌直接萌发),随着芽子的萌发,菌丝在新梢幼叶上发病蔓延,5月份开始表现症状,9月下旬至10月上中旬在逐渐干枯的叶片上形成子囊壳越冬(85%以上
Apricot gall disease, also known as yellow disease, swelling disease, only apricot trees. The main damage to shoots, leaves, harms the serious harm apricot and fruit, affecting the normal growth of apricot and fruit quality. 1 pathogens and pathogenesis The pathogen belongs to Ascomycetes subtilis, Sphaerotheca, Trichostrobae, Apricot Seeds mold. Pathogens to the capsule shell in the diseased leaves or buds winter. The following year from the end of March to early April, when the apricot germination in case of rain, the diseased leaves of the ascospore that is emitted from the ascosphere shell, with the wind or rain spread to the sprouts, the germination soon jeopardize the invasion ( Or bud germination directly germinate), with germination of germination, hyphae in the shoots of young shoots spread on the onset of symptoms in May, from late September to mid-October on the gradual formation of the leaves of the capsule capsule Overwintering (85% or more