Inheritance of Leaf Rust and Stripe Rust Resistance in the Brazilian Wheat Cultivar 'Toropi'

被引：7
作者：
Rosa, Silvia B. [1 ,2 ]
McCallum, Brent [1 ]
Brule-Babel, Anita [2 ]
Hiebert, Colin [1 ]
Shorter, Stephen [3 ]
Randhawa, Harpinder S. [4 ]
Barcellos, Amarilis L. [5 ]
机构：
[1] Agr & Agri Food Canada, Morden Res Ctr, Morden, MB R6M 1Y5, Canada
[2] Univ Manitoba, Dept Plant Sci, Winnipeg, MB R3T 2N2, Canada
[3] Canterbury Agr & Sci Ctr, Plant & Food Res, Lincoln, NE, New Zealand
[4] Agr & Agri Food Canada, Lethbridge Res Ctr, Lethbridge, AB, Canada
[5] OR Melhoramento Sementes Ltda, BR-99050380 Passo Fundo, Brazil
来源：
PLANT DISEASE | 2016年 / 100卷 / 06期
基金：
加拿大自然科学与工程研究理事会;
关键词：
ADULT-PLANT RESISTANCE; F-SP TRITICI; PUCCINIA-TRITICINA; GENES; MARKERS; LR67; LOCI;
D O I：
10.1094/PDIS-10-15-1128-RE
中图分类号：
Q94 [植物学];
学科分类号：
071001 ;
摘要：
Leaf rust (Puccinia triticina) and stripe rust (P. striiformis f. tritici) affect wheat production worldwide. Brazilian 'Toropi' wheat has demonstrated durable leaf rust resistance in South America since its release in 1965. It was previously found to have up to two adult plant leaf rust resistance genes. The leaf and stripe rust resistance of Toropi were studied by analyzing a doubled-haploid population made by crossing with susceptible 'Thatcher'. Toropi expressed good resistance to leaf rust in Canada, Brazil, and New Zealand. Based on field and greenhouse testing, the leaf rust resistance of Toropi is conferred by two race-nonspecific complementary adult plant genes and a race-specific adult plant gene. The stripe rust resistance of Toropi analyzed in New Zealand and in Canada is based on up to two resistance genes. Toropi should provide an important contribution to rust resistance because it expressed good leaf rust and stripe rust resistance in different parts of the world.
引用
收藏
页码：1132 / 1137
页数：6
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