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Grain legume improvement in Ghana with induced mutagenesis – Special reference to winged bean Psophocarpus tetragonolobus (L.) DC and cowpea Vigna unguiculata (L) Walp

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by Acquaah, G. (School of Agriculture, Cape Coast Univ. (Ghana)); Klu, G.Y.P. (National Nuclear Research Centre, Ghana Atomic Energy Commission, Legon)

Two varieties each of winged bean and cowpea were exposed to various doses of gamma irradiation from a 60Co source. Seed emergence, seedling height, seedling survival, plant survival at maturity, and plant and pod fertility were all progressively reduced with increasing dosage of irradiation. Mutants isolated in th M2 for winged bean included a single stem erect mutant, a multiple branch bush, early, extra long-poded, strap and a spectrum of seed size and colour mutants. In cowpea an erect mutant was isolated. (author)

Source/Report: Joint FAO/IAEA Div. of Isotope and Radiation Applications of Atomic Energy for Food and Agricultural Development, Vienna (Austria); 224 p; Dec 1983; p. 123-132; 3. research co-ordination meeting on the use of induced mutations for improvement of grain legume production in South East Asia; Seoul (Republic of Korea); 4-8 Oct 1982; IAEA-TECDOC–299; CONTRACT IAEA/FAO-R-2939/RB

Publ. Year: 1983

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