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莲鞭的栽培技术-实用技术-农博数据中心

莲鞭的栽培技术-实用技术-农博数据中心
aweb.com.cn - get the latest breaking news, showbiz & celebrity photos, sport news & rumours, viral videos and top stories from aweb.com.cn Daily Mail and Mail on Sunday newspapers.

Hong Kong , Center Lotus , Healtha Lotus , White Lotus , Harvest Lotus , Lotus Field , Light Hutian , Application Lotus , Netherlands Start , White Lotus Daejeon Exemption ,

荷花常见病虫害-实用技术-农博数据中心

荷花褐斑病症状:本病又称为褐纹病。叶斑圆形或近圆形,大小不等,淡褐色,边缘深褐至紫褐色,有的现同心轮纹,斑面密生小黑点,严重时病斑密布并连合为斑块,病块局部干枯。病原:CercosporanymplaeaceaCke.etEll.=C.enoticaEl. ....

A Henan Hebei Shandong , Health Or , Field Health Harvest , Center Lotus , Abstract Lotus , Management Clear , Hazel Or Brown , First Pole , Press Lotus , Yangtze River Basin , Jiangxi Hubei Hunan Zhejiang Jiangsu Anhui , Yellow Basin , Henan Hebei Shandong , Northeast Region , Lotus Brasenia Gorgon ,

荷花常见病虫害及其防治-实用技术-农博数据中心

荷花常见病虫害及其防治-实用技术-农博数据中心
aweb.com.cn - get the latest breaking news, showbiz & celebrity photos, sport news & rumours, viral videos and top stories from aweb.com.cn Daily Mail and Mail on Sunday newspapers.

Circlea Health , Center Lotus , Abstract Lotus , Liaocheng Botanical Garden , Agricultural Park ,

荷花腐烂病防治-实用技术-农博数据中心

荷花腐烂病是荷花常见病害,症状危害叶片、花梗和莲藕。叶片沿叶缘出现青枯色斑块,以后,连片向内扩大,最后整叶变褐。花梗发病,沿气孔线变褐凹陷。藕发病时中心木质部变褐,逐渐向鞭节及荷梗纵向坏死,病藕木质部(. ....

Center Lotus , Center Xylem , Abstract Lotus , Lotus Common , Xylem Lotus , Hubei Province ,