Abstract
Amino acid compositions were determined on the seed meal and two storage proteins (the 12S globulin and 1.7S protein) from each of the parents of two cultivars of the Brassica campestris L. species (Arlo and Yellow sarson), from the progeny of the cultivar cross, and seven individual F1 plants. All plants examined contained the 12S globulin and the 1.7S protein. The proteins from the parents are indistinguishable chromatographically and electrophoretically but have slight differences in amino acid compositions, whereas those from the individual F1 plants are different from their parental counterparts. The results show that the amino acid composition of seed storage proteins may be changed by intercultivar crossing and the cross in this case has produced a wide array of phenotypes.
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