Madras Agricultural Journal
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Co 4-A New High Yielding Dought Tolera Greengram Variet

Abstract

                                The seed of cultivated long duration variety Co 1 wreated with cuma irradiation with an attempt to evolve a high yielding strain with shorfuration. A high siding mutant (named Mutant 2) was isolated in the M. generation and Valunted in differet seasons and its performance was compared with Co 3 and KM 2. Thiputant was named Co 4 and it recorded 9.1 q/ha as against 7.1 and 6.1 for Co 3 and 2 respectively under rainted cultivation. The strain is also resistant to tip blight, powd mildew, root rot and mosaic virus.

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