Dominance reversal of a bacterial blight resistance gene in some rice cultivars

Sidhu, G. S. ; Khush, Gurdev S. (1978) Dominance reversal of a bacterial blight resistance gene in some rice cultivars Phytopathology, 68 . pp. 461-463. ISSN 0031-949X

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Abstract

The inheritance of resistance to Xanthomonas oryzae during flowering. The dosage effect of the resistance gene isolate PXO61 (from the Philippines) in five rice cultivars was causes this reversal of dominance because the heterozygous studied. The same gene confers resistance in the five cultivars. plants are susceptible at booting and resistant during The pattern of segregation indicates a monogenic recessive flowering. This gene, designated Xa6, is linked to Xa4, factor when the plants are inoculated at the booting stage, but another dominant gene for resistance, with a crossover value it is monogenic dominant when the plants are inoculated of 26%.

Item Type:Article
Source:Copyright of this article belongs to The American Phytopathological Society.
Keywords:Oryza sativa L.; Xanthomonas oryzae; Allelic Relationships; Dominant; Recessive; Monogenic
ID Code:36888
Deposited On:23 Apr 2011 12:48
Last Modified:17 May 2016 19:49

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