Abstract
The capability of dry matter production and seed yield was compared among summer pulses in the monsoon, autumn and summer seasons, and among winter pulses in the winter season in Bangladesh. Summer pulses (soybean, mungbean and cowpea) exerted the highest capability of dry matter production in the monsoon season, but did not have so high seed yield as that in the summer season. Among summer pulses cowpea had the highest maximum-CGR due to the highest LAI, while mungbean had the highest maximum-NAR. Although soybean had as low maximum-CGR as mungbean, its seed yield was always superior to that of mungbean, and to that of cowpea in the monsoon season. Among winter pulses (lentil, chickpea and grasspea) chickpea had both the highest maximum-CGR and seed yield in the winter season. From these results it is difficult to find a direct relationship between growth functions and seed yield. However, the pulse crops which had the highest seed yield in each season always showed steady increase in dry matter after flowering. This suggest the importance of dry matter increase after flowering for high seed yield of pulse crops in Bangladesh.
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