The result of study on occurrence regularity showed: Pathogen overwintered with my celium and conidia on marigold refuse, which were the primary infection resources, secordly was from infected seeds.
英
美
释义
对仙客来叶斑病发生规律的研究表明:病原菌以菌丝或分生孢子的形式在病残体上越冬,从而成为该病的主要侵染源,此外,种子表面带菌是另一个传播途径。
把海词放在桌面上,查词最方便
触屏版
|
电脑版
©2003 - 2024 海词词典(Dict.cn)
立即下载