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The Vietnamese rice landrace Tetep is known world-wide for its exceptional broad-spectrum and durable resistance to blast disease caused by Pyricularia oryzae. In present study, we report on identification and mapping of a new blast resistance gene Pi-67 from a doubled haploid line TDH251 that derives its resistance from Tetep. Using a multipronged mapping strategy combining bulked segregant analysis,...
Ranbir Basmati, an early maturing pure line selection of traditional Basmati 370, is widely cultivated Basmati variety in the Indian state of Jammu and Kashmir. The variety is tall statured, prone to lodging and highly susceptible to rice blast. The present study was carried out for genetic improvement of Ranbir Basmati for semi dwarf stature and resistance to blast by introgressing semi-dwarfing...
Swarna-Sub1, a ruling submergence tolerant variety of rice, showed a significant decrease in the yield in major blast disease prone areas, which is caused by fungus Magnaporthe oryzae (Pyricularia oryzae). To overcome this problem, three major blast resistance genes viz., Pi1, Pi2, and Pi54 were pyramided through marker-assisted backcross breeding using donors, Swarna-LT (having Pi1 + Pi54) and Swarna-A51...
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