广州地区桃树流胶病病原菌的研究

STUDIES ON PATHOGEN OF PEACH TREE(Prunus Persica)GUMMOSIS

摘要: 通过反复切片镜检，病菌分离培养和人工接种试验，现已查明，广州地区桃树流胶病可由两种子囊菌分别侵染所引致：一是ＬｅｐｔｏｓｐｈａｅｒｉａｐｒｕｎｉＷｏｒｏｎｉｃｈｉｎ；一是Ｃｕｃｕｕｂｉｔａｒｉａｓｐ．他们与国内外报道的病原真菌Ｂｏｔｒｙｏｓｐｈａｅｒｉａｄｏｔｈｉｄｅａ和Ｐｈｙｓａｌｏｓｐｏｒａｐｅｒｓｉｃａｅ都不相同。前者为广东省首次报道；后者则为国内首次报道，人工接种结果表明，此病在
- 桃树 /
- 流胶病 /
- 症状 /
- 病原菌
Abstract: The Gummosis of Peach tree is the mostserious disease in Guangdong pro-vince.It was considered a noninfective,physiological disease in the Dast.Inoculation experiments showed that the gummosis of peach tree was a fungaldisease.The causal pathogens included two fungi of Ascomycetes,Leptosphaeriapruni Woronichin and Cucurbitaria sp..They were different from Botryosphaeriadothidea Weaver and Physalospora persicae ABIKO et KITAJIMA reportedby scholars in China and abroad.The Cucurbitaria sp.and Leptosphaeria pruni inpeach tree were the first reported in China and in Guangdong Provincerespectively.
- Prunus persica /
- gummosis /
- symptom /
- pathogen(Leptosphaeria pruni:Cucurbitaria sp.)