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Title: STS marker based tracking of slow rusting <i>Lr34</i> gene in Indian wheat genotypes
Authors: Priyamvada
Tiwari, Ratan
Saharan, M S
Chatrath, R
Siwach, Priyanka
Mishra, B
Keywords: AUDPC
leaf rust
<i>Lr34</i> gene
<i>Puccinia triticina</i>
Issue Date: Apr-2009
Publisher: CSIR
Abstract: Bi-allelic STS marker was used to confirm the presence of adult plant durable rust resistance gene <i>Lr34</i> in advance generation breeding lines. These lines were scored for leaf rust three times at an equal interval and the area under disease progress curve (AUDPC) was calculated. The lower AUDPC values of <i>Lr34</i> positive lines confirmed their slow rusting nature. In the absence of direct selection method, the breeders are selecting <i>Lr34</i> gene carrying lines unintentionally as they showed better resistance. Lines possessing <i>Lr34</i>, an ‘undefeated gene’, should be used in breeding programme in order to have a broad-spectrum durable leaf rust resistance.
Description: 207-213
ISSN: 0972-5849
Appears in Collections:IJBT Vol.08(2) [April 2009]

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