Volume 4, Issue 5
November 1936, pages 357-433
pp 357-369 November 1936
Data are presented on the genic relations of glume pubescence, grain colour, glume colour and awn colours in crosses between two pure line selections ofBansi wheat (T. durum, Desf.) and a synthetic black awned pubescent glumed Khapli.
The hairiness of glumes is due to a gene P in Kala-Khapli 568 and is dominant to the glabrous (p) condition in theBansi wheat. The gene P is completely linked with the black awn colour gene, B.
The red colour of grain in Khapli 568 is dominant to the yellow grain ofBansi. The gene R1 is independent of genes for other characters.
The red glume colour of theBansi wheat is caused by a gene Rg-a which also produces red awn colour, but behaves hypostatic to the black awn colour gene, B, in the awn region. The recessive alleles of B and Rg-a result in white-glumed white-awned plants.
The probable origin of Kala-Khapli 568 is indicated.
pp 370-375 November 1936
The urease activity of the extracts of germinated seeds (Glycine hispida,Dolichos biflorus, Canavalia ensiformis, Cajanus indicus) is higher than that of extracts derived from resting seeds. On the other hand, the urease activities of the germinated seed powders are somewhat lower than those from the resting seeds. The difference between the activities of extracts and powders is readily explained on the assumption that germination brings about the solubilisation of thedesmo enzyme present in the resting seeds. The authors wish to express their grateful thanks to Mr. B. N. Sastri and Prof. V. Subrahmanyan, for their keen interest in the progress of the work.
pp 376-402 November 1936
pp 403-404 November 1936
pp 405-407 November 1936
pp 408-410 November 1936
pp 411-433 November 1936