Adult plant resistance to leaf rust (Puccinia triticina) in some Indian bread wheat (Triticum aestivum) accessions bearing leaf tip necrosis

被引：0
作者：
Kumar, J. [1 ]
Bansal, K. C. [1 ]
Tyagi, R. K. [1 ]
Vikas, V. K. [1 ]
Kumar, Sundeep [1 ]
Jayaprakash, P. [1 ]
Singh, G. P. [1 ]
Yadav, Rajbir [1 ]
Sivasamy, M. [1 ]
机构：
[1] Indian Agr Res Inst, Reg Stn, Wellington 643231, Tamil Nadu, India
来源：
INDIAN JOURNAL OF AGRICULTURAL SCIENCES | 2014年 / 84卷 / 01期
关键词：
Leaf rust; Leaf tip necrosis (LTN); Lr; 34; Wheat; GENE LR34; GRAIN-YIELD; ASSOCIATION;
D O I：
暂无
中图分类号：
S [农业科学];
学科分类号：
09 ;
摘要：
Of the 2200 germplasm accessions of Triticum aestivum L. screened under field condition against leaf rust (Puccinia triticina), 1526 exhibited symptom of leaf tip necrosis (LTN). Ninety eight per cent of accessions showing LTN revealed reduced leaf rust severities from traces to 40 compared to 80 - 100 in susceptible infector rows. LTN reduced leaf rust severities independent of its low, medium and high expressions across the accessions. Likely presence of durable resistance gene Lr34 associated with the trait of LTN, either singly or in complementation with other genes is discussed.
引用
收藏
页码：112 / 118
页数：7
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