检索结果-南通市图书馆

Breeding of *** translocation lines with *** cytoplasm and characterization by GISH

Chinese Science Bulletin 2000年第15期45卷 1404-1408,1443页

作者： MU Jinye LI Jilin WANG Xianping JING Jiankang ZHANG Xiangqi Institute of Genetics Chinese Academy of SciencesBeijing 100101China Department of Biology Harbin Normal UniversityHarbin 150080China

A male-sterile T. aestivum-Ag. intermedium partial amphiploid with cytoplasm of T. timopheevii as a female parent was crossed to common wheat. The hybrid was backcrossed to the male parent several times continually and self-crossed at last. Two stable lines with common wheat phenotype, H96269-2 and H96278, have been obtained. The chromosome numbers of the two lines are all 2n = 42 in somatic cells. By inoculation test, the two lines show a high level of resistance to yellow rust. Through genomic in situ hybridization (GISH) with Ag. intermedium total genomic DNA as a probe, it is demonstrated that the two stable lines are all small segmental translocation lines, and the translocated chromosome segments from Ag. intermedium are located on the short arm terminals of wheat chromosomes. Genetics analysis suggests that the yellow rust.resistance gene(s) are probably located on the translocated chromosome segments of Ag. intermedium.

关键词： T. aestivum-Ag. intermedium translocation line ailoplasmic line genomic in situ hybridization yellow rust.

来源：

维普期刊数据库

同方期刊数据库评论

在线全文

学校读者我要写书评

暂无评论

A STUDY ON XINGKAI LAKE PINE GALL rust

引用

Journal of Northeast Forestry University 1990年第1期1卷 65-71页

作者： Shao Liping (1) Xuc Yu (1) Wang Zhcnhua (2) 1. Northeast Forestry University 150040 Harbin China 2. Mishan Forest Bureau Mishan County Heilong jiang

The xingkai Lake pine(Pinus lakahasii Nakai) gall rust.caused by Cronartiumquereuum(Berk.)Miyabe:Shirai is a serious stem rust.in the northeast region of *** alternatehost is oak (Quercus mongolica Fisch).Germination of both acciospores and urediospores wasoptimal at 12℃ and occurred over a range of temperatures,from 4℃ to 32℃.Teliosperes germinatedoptimally at 16--18℃ and over a range of 8--28℃.All spores germinated best under natural light anddark *** light inhibited germination eren when followed by *** incubauonperiods of urediospores and teliospores in inoculation experiments were 6--16 days and 3--33daysrespectively. Anatomical studies of Cribartium quercuum galls showed that rust.hyphae freely ramify throughthe intereellular spaces within parenchymatous lissues of the cortex,phloem,cambium,and xylemHyphac are perennial;largc haustoria are cylindrical with rounded or blunt ends. Among the 12 fungieides tested for control the rust.pine-tar,pine-tar;diesel oil(1:1。

关键词： Xingkal Lake pinc Gall rust. Disease F ungicide Cronartium quercuum

来源：

维普期刊数据库评论

在线全文

维普期刊数据库

学校读者我要写书评

暂无评论

Building a Resilient Wheat Seed System to Resist rust.Risks in Ethiopia

引用

Journal of Life Sciences 2017年第1期11卷 19-29页

作者： Abebe A. Gizaw Karta K. Kalsa Ethiopian Institute of Agricultural Research (EIAR) Addis Ababa P.O. Box 2003 Code 1000 Ethiopia EIAR Kulumsa Research Center Asella P.O. Box 489 Ethiopia

This study is a review of existing reports and summary of some field experiences aiming at building of a resilient wheat seed system to resist rust.risks in Ethiopia. Practical gaps in the wheat seed system were identified with regard to understanding of seed system factors that build, or undermine resilience to rust.risks. The study has recognized that the formal seed multiplication schemes are too slow to respond to the ever increasing frequencies of wheat rust.outbreaks. Therefore, it is indicated that new approaches such as pre-release and farmer based seed multiplication schemes are helpful in insuring availability of seed of rust.resistant wheat varieties to the small farmers.

关键词： Wheat seed system resilience rust.

来源：

维普期刊数据库评论

在线全文

维普期刊数据库

学校读者我要写书评

暂无评论

锈层覆盖碳钢腐蚀电化学行为

锈层覆盖碳钢腐蚀电化学行为

引用

2010年全国腐蚀电化学及测试方法学术会议

作者：王佳邹妍郑莹莹彭欣中国海洋大学化学化工学院

采用失重法和电化学方法研究了海水中带锈碳钢的腐蚀速度。研究发现,海水浸泡8周以内,电化学方法测定的3C钢腐蚀速度与失重法一致;8周后电化学方法测定的腐蚀速度逐渐偏离失重法.时间越长,偏差越大。电化学方法和红外光谱分析证实,8周... 详细信息

采用失重法和电化学方法研究了海水中带锈碳钢的腐蚀速度。研究发现,海水浸泡8周以内,电化学方法测定的3C钢腐蚀速度与失重法一致;8周后电化学方法测定的腐蚀速度逐渐偏离失重法.时间越长,偏差越大。电化学方法和红外光谱分析证实,8周后锈层中具有高电化学活性的β-FeOOH,在电化学测量过程中参与了阴极还原反应,增大了阴极电流密度和腐蚀电流密度,从而导致腐蚀速度逐渐增大。

关键词： Electrochemical method Corrosion rate Deviation rust.

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

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

在线全文

在线全文

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

在线全文

在线全文

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：