Abstract:
Studies were conducted on nine (9) bambara groundnut (Voandzeia
subterranea) accessions representative of cultivars cultivated in
Ghana, Swaziland and Zimbabwe at the University Farms, Legon, on two
planting dates.
Time of1' first flower opening was irrespective of time of
planting since photoperiod did not change much. Flowering once
initiated did not cease until harvest, except for one cultivar
'Jabajaba'. It was found that double and single flowering peaks
occurred in Minor and Major planting seasons respectively except for
one cultivar 'Sabliga' which showed no definite peak.
More leaves, hence a greater dry matter yield (DMY) was produced
under a higher rainfall condition. The crop, however exhibited a
drought resistant character by producing more seed under
comparatively drier conditions.
Rainfall and temperature appear to be the two important
interactive climatic factors influencing vegetative growth, flowering
and yield of bambara groundnut in the tropics. Moderate rainfall
coupled with relatively high temperatures over the entire growth
period of the crop provides ideal conditions for better yield.
