论文部分内容阅读
黄冠梨是河北省农科院石家庄果树所,以雪花梨与新世纪梨杂交培育而成的早中熟梨新品种,该品种果形端正、果面光洁、肉质细嫩、松脆多汁、抗黑星病,深受消费者欢迎,近年来发展迅速。我省现有栽培面积20多万亩,已成为主栽品种之一。但是,近年来由于黄冠梨套袋后果面生理病害(果农俗称“鸡爪病”)的危害,给果农造成了严重损失,已成为黄冠梨生产的障碍因素。为有效减轻“鸡爪病”的危害,正确指导生产,经组织有关专家研究、讨论,提出了预防黄冠梨“鸡爪病”的指导性意见。一、“鸡爪病”症状该病为果实病害,发病于果实成熟及贮运期间,具有突发性强的特点,条件适宜时可在几小时内迅速发病。病害主要影响果实的外观和商品价值;果实发病后不腐烂,病斑基本不扩展。
Huang Guanzhu pear is Hebei Academy of Agricultural Sciences Shijiazhuang fruit trees, snow pear and New Century pear cultivated from the early maturing pear new varieties, the variety of fruit-shaped, smooth surface, delicate meat, crisp and juicy, Anti-scab, welcomed by consumers, the rapid development in recent years. The existing cultivation area of more than 20 million mu in our province, has become one of the main cultivars. However, in recent years, due to the damage of Huangguang Pear, the serious damage to fruit growers caused by the physiological damage of fruits (commonly known as “chicken foot disease”) has become an obstacle in the production of Huangguan Pear. In order to effectively reduce the harm of “chicken foot disease ”, correctly guide the production, the organization of experts to study, discuss, put forward the prevention of Huang Guan pear “chicken feet disease ” guidance. First, “chicken foot disease ” Symptoms The disease is a fruit disease, the incidence of fruit ripening and storage period, with the characteristics of sudden strong, when conditions permit, the rapid onset in a few hours. Diseases mainly affect the appearance of fruit and the value of the commodity; the fruit does not decay after the onset of disease, and the lesion does not basically expand.