【摘要】 干腐病在湖南等地发生严重,是发展核桃生产的重要障碍之一。病原为Physalosporajuglandis Syd et Hara,无性世代为Macrophoma sp.。病情指数与炎夏日灼、土壤酸瘦、干旱、管理不善以及咖啡木蠹蛾为害密切相关。据此,本文提出有效的防治措施。更多还原

【Abstract】 The development of Persian walnut (Juglans regia) is seriously retarded by the dry-rot disease in Hunan and other areas. The pathogen is determined to be Physalospora juglandis and the asexual generation is Macropnoma sp. . The pathographic index presented in the paper is closely related to summer heat, soil acidity and aridity; and the improPer management and red coffee borer (Zeuzera coffeae Nietner) are also found ia the investigation study. To solve these problems effective control measures are recommended.更多还原