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Подразделение Lr-генов устойчивости пшеницы Triticum aestivum L. к листовой ржавчине ( Puccinia triticina Eriks. ) на ювенильные и возрастные: реальность или условность

Подразделение Lr-генов устойчивости пшеницы Triticum aestivum L. к листовой ржавчине ( Puccinia triticina Eriks. ) на ювенильные и возрастные: реальность или условность

Abstract

In accordance with current conception the genes of resistance of soft wheat to leaf rust divided into genes of juvenile and age resistance. The authors studied the virulence of monopustular isolates of disease agent to juvenile and adult plants of isogenic lines of the Thatcher variety and wheat varieties with different Lr genes of resistance. It was shown, that Lr12, Lr13, Lr34, Lr35, Lr46, Lr48 and Lr49 genes, relating to genes of age resistance, determine the resistance to some agent’ s isolates also in juvenile plants. The Lr1, Lr10, Lr14 а, Lr15, Lr20, Lr23, Lr26, Lr34, Lr36, Lr37 genes, which in set articles were related to genes of juvenile resistance, against individual pathogen isolates manifest properties of juvenile resistance genes, and the beginning of their expression in different leaf level depends on pathogen isolate.

Согласно современным представлениям, гены устойчивости мягкой пшеницы к листовой ржавчине подразделяются на гены ювенильной и возрастной резистентности. У изогенных линий сорта Тэтчер и сортов пшеницы с различными Lr генами изучали вирулентность монопустульных изолятов возбудителя болезни в отношении ювенильных и взрослых растений. Показано, что гены Lr12, Lr13, Lr34, Lr 35, Lr46, Lr48 и Lr49, относимые к генам возрастной устойчивости, обусловливают резистентность к некоторым изолятам возбудителя и у ювенильных растений. Гены Lr1, Lr10, Lr14а, Lr15, Lr20, Lr23, Lr26, Lr34, Lr36, Lr37, в ряде работ классифицируемые как гены ювенильной резистентности, против некоторых изолятов патогена проявляют себя как гены возрастной устойчивости, причем начало их экспрессии в разных по ярусности листьях зависит от изолята патогена.

Keywords

ПШЕНИЦА, ЛИСТОВАЯ РЖАВЧИНА, ЮВЕНИЛЬНАЯ УСТОЙЧИВОСТЬ, ВОЗРАСТНАЯ УСТОЙЧИВОСТЬ

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selected citations
These citations are derived from selected sources.
This is an alternative to the "Influence" indicator, which also reflects the overall/total impact of an article in the research community at large, based on the underlying citation network (diachronically).
BIP!Citations provided by BIP!
popularity
This indicator reflects the "current" impact/attention (the "hype") of an article in the research community at large, based on the underlying citation network.
BIP!Popularity provided by BIP!
influence
This indicator reflects the overall/total impact of an article in the research community at large, based on the underlying citation network (diachronically).
BIP!Influence provided by BIP!
impulse
This indicator reflects the initial momentum of an article directly after its publication, based on the underlying citation network.
BIP!Impulse provided by BIP!
0
Average
Average
Average
bronze