[Dry matter and nitrogen accumulation in T. durum CV. Hammary and some of its mutant lines]
1992
Mir Ali, N. | Moore, K. (Newcastle Upon Univ. (United Kingdom). Dept. of Agriculture and Environmental Science)
Under a low N level (N-0) the parental lines had a lower average mean rate for dry matter accumulation, but a slightly longer duration than that of the mutants. However, under a high N level (N-1) the mutants lines showed a 4 reduction in seed weight compared with the parental lines. No significant differences were found among the lines in their rate of N accumulation, suggesting that carbohydrates rather than nitrogenous compounds are the crucial determinant of N concentration in the seeds. It is inferred that in the same line it may be possible to achieve either a higher grain yield with lower yield with a correspondingly higher protein percentage.
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