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Accumulation of Nitrogen and Dry Matter by Soybean Seeds with Genetic Differences in Protein Concentration

Dep. of Plant and Soil Sciences, Univ. of Kentucky, Lexington, KY 40546-0312

View larger version (21K): [in this window] [in a new window]   Fig. 1. The effect of genotypes on soybean seed N concentration during seed development in 2004. Error bars represent ± standard error of the mean. Bars smaller than the symbols are not shown.

View larger version (25K): [in this window] [in a new window]   Fig. 2. The effect of genotypes on seed N and dry weight accumulation in 2004. Error bars represent ± standard error of the mean. Bars smaller than the symbols are not shown.

View larger version (18K): [in this window] [in a new window]   Fig. 3. The relationship between soybean seed growth rate (SGRDM) and mature seed size. The regression equation was significant at P = 0.05.

View larger version (15K): [in this window] [in a new window]   Fig. 4. The relationship between the rate of N accumulation by soybean seed (SGRN) and mature seed N concentration. The regression equation was significant at P = 0.001.

View larger version (14K): [in this window] [in a new window]   Fig. 5. The relationship between the effective filling period and mature seed N concentration. The relationship was not significant (P > 0.05).

View larger version (17K): [in this window] [in a new window]   Fig. 6. The relationship between the ratio of the rate of accumulation of N and dry matter (SGRN/SGRDM) by soybean seeds and mature seed N concentration. The regression equation was significant at P = 0.001.