摘要
】本文描述了梨黑星病的发病症状、病原菌形态，研究了病原菌的越冬场所和形态，探讨了侵染传播途径及田间发病规律。
The present paper describes the disease symptoms of pear scab (Venturia nashicola), the pathogens morphology, and the overwintering area and forms of the pathogen, and discusses its infection routes and the patterns of its occurrence in field.
出处
《西南农业大学学报（自然科学版）》
CSCD
1996年第6期511-514,共4页
Journal of Southwest Agricultural University
关键词
梨属
黑星病
发生规律
病原微生物
Pyrus
Venturia nashicola Tanake et Yamamoto
pathogenic microorganisms
pests occurence rule
