Genetic variation in storage protein and storage endosperm starch in local rice cultivars of Myanmar
2003
Aung, R.P. | Kumamaru, T. | Satoh, H.
Electrophoretically detected variation in seed storage protein (glutelin, prolamin) and waxy protein was analyzed among 150 local rice cultivars collected from six distinct regions of Myanmar. The variation in storage endosperm starch was found by the alkali digestibility test. Variation in seed storage protein and endosperm starch led to the characterization of two varietal types for glutelin, five varietal types for prolamin, and three varietal types for waxy protein and alkali digestibility score. The protein profiles and alkali spreading score were compared with those of standard varieties, using Kinmaze and IR36 as controls. Seventy-nine percent of the local rice cultivars in Myanmar belonged to the IR36-type group and 0.7% of the cultivars were of the Kinmaze type. Four other types were differentiated by isoelectric focusing analysis from both Kinmaze and IR36 types.
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