检索结果-南通市图书馆

检索条件"主题词=Brasenia schreberi"

共 1 条记录，以下是1-10 订阅

全选清除本页清除全部题录导出标记到"检索档案"

详细简洁

排序：

First Report of Sclerotium hydrophilum Causing Leaf Spot on brasenia schreberi in Central China

First Report of Sclerotium hydrophilum Causing Leaf Spot on ...

引用

中国植物病理学会2024年学术年会

作者： FU Shiying YANG Shaoli ZHOU Lilin KUANG Jing WANG Pan ZHANG Jing CAI Xiang Institute of Vegetable Wuhan Academy of Agriculture Science Hubei Key Laboratory of Plant Pathology Huazhong Agricultural University

brasenia schreberi,commonly known as watershield and referred to as 'Chun Cai' in Chinese,is a worldwide aquatic *** has long been regarded as health-promoting vegetable due to production of mucilage in young shoots,and thus has gained popularity in *** September 2022,a leaf spot disease was observed at the National Aquatic Vegetable Germplasm Resource Nursery located in Wuhan,Hubei province,*** disease occurred on watershield *** started with the formation of leaf spots surrounded by *** spots ranged in color from yellow to brown and in diameter from 1 mm to 10 ***,the smaller spots merged,ultimately causing the entire leaves to turn *** brown-to black-colored sclerotia were produced on the underside of the diseased *** incidence was 30% on average,and yield loss was approximately 15% on *** isolate the pathogen,leal tissues at the disease-healthy border area were excised into 5 mm×5 mm pieces,these segments were immersed in 75% ethanol for 30 s,followed by immersion in 0.5% sodium hypochlorite for 30 s,and then rinsed twice in sterile *** air-drying,the leaf pieces were incubated on potato dextrose agar(PDA) in darkness at 28℃ for 3 *** from the leaf pieces were transferred to new PDA plates for purification,three sclerotia-forming fungal isolates(Whcc-1,Whcc-3,Whcc-4) were finally *** were incubated on PDA at 28℃ for 4 d to 14 d for observation of colony *** 4 after incubation(DAI),they grew rapidly with the average growth rate of 2.2 cm/d and formed colonies with whitish substrate mycelia and well-developed aerial mycelia and small white to light brown-colored *** 10 to 14 DAI,the sclerotia gradually turned to black,0.2 mm to 0.4 mm in diameter(0.26 mm on average,n=50).These morphological characteristics matched description of Sclerotium hydrophilum(Bashyal et al.,2021).Molecular identification was done to further clarify the species identity of thi

关键词： brasenia schreberi Sclerotium hydrophilum morphology pathogenicity phylogeny

来源： cnki会议评论

在线全文

cnki会议

学校读者我要写书评

暂无评论

全选清除本页清除全部题录导出标记到“检索档案”

共1页 << < 1 > >>

回到顶部

执行限定条件

欢迎您,

建议与咨询留下您的常用邮箱和电话号码，以便我们向您反馈解决方案和替代方法

时间限定

文献类型

馆藏选择

核心期刊

语言

文献类型

帮助

文字说明：

检索规则说明：

检索范例：

分类表

所选分类

限定检索结果

文献类型

馆藏范围

日期分布

学科分类号

主题

机构

作者

语言

在线全文

请选择保存的检索档案：

请选择收藏分类：

通借通还

欢迎您,

建议与咨询 留下您的常用邮箱和电话号码，以便我们向您反馈解决方案和替代方法

时间限定

文献类型

馆藏选择

核心期刊

语言

文献类型

帮助

文字说明：

检索规则说明：

检索范例：

分类表

所选分类

限定检索结果

文献类型

馆藏范围

日期分布

学科分类号

主题

机构

作者

语言

在线全文

请选择保存的检索档案： 新增检索档案 确定 取消

请选择收藏分类： 新增自定义分类 确定 取消

通借通还

建议与咨询留下您的常用邮箱和电话号码，以便我们向您反馈解决方案和替代方法

请选择保存的检索档案：

请选择收藏分类：