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The Chinese rice “Liziangxintuanheigu (LTH)” has been used as a universal susceptible background for the development of international monogenic blast differentials by the JIRCAS–IRRI network. Few reports on the occurrence of LTH incompatible blast isolates from the Philippines and India indicate that the genotype harbours unknown blast resistance gene(s). We report identification, mapping and physical...
Pigeonpea (Cajanus cajan), an important food legume crop in the semi-arid regions of the world and the second most important pulse crop in India, has an average crop productivity of 780 kg/ha. The relatively low crop yields may be attributed to non-availability of improved cultivars, poor crop husbandry and exposure to a number of biotic and abiotic stresses in pigeonpea growing regions. Narrow genetic...
We have identified, genetically mapped and physically delimited the chromosomal location of a new blast resistance gene from a broad spectrum resistant genotype ‘DHR9’. The segregation analysis of an F2 progeny of a cross between a susceptible cv. ‘HPU741’ and the resistant genotype ‘DHR9’ suggested that the resistance was conditioned by a single dominant gene. A RAPD marker, OPA82000, linked to the...
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