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山东菏泽牡丹栽培面积已达到4000多hm2,有800多个品种,成为世界上面积最大,品种最多的牡丹生产、集散地。但随着面积的不断扩大,牡丹病害也逐年加重,受害的牡丹生长势衰弱、花色衰退、丹皮产量低、苗木品质差,严重影响出口创汇和国内外市场需求,也给花农造成了重大经济损失。牡丹病害现已知的有20余种,其中真菌病害15种,病毒病害3种,线虫病害1种及缺素症病害等。本文针对菏泽牡丹病害发生情况,介绍几种具有代表性危害严重的病害及其防治方法,以供广大花农生产之需。1叶部病害牡丹的叶部病害大多数是真菌
Shandong Heze peony cultivated area has reached more than 4,000 hm2, there are more than 800 varieties, becoming the world’s largest and most diverse species of peony production, distribution center. However, with the continuous expansion of the area, peony diseases have also been increasing year by year. The damaged peonies grow weakly, declining colors, low output of bark, low quality of seedlings, seriously affecting export earnings and domestic and international market demand, and also causing major economic loss. Peony diseases are now known to have more than 20 species, of which 15 kinds of fungal diseases, viral diseases 3, 1 nematode disease and disease and other deficiencies. In this paper, the occurrence of peony disease in Heze, introduced several representative of the serious damage of the disease and its prevention and control methods for the majority of flower farmers need. 1 leaf disease Peony leaf disease most are fungi