Abstract:
The experiment was carried out at the field laboratory of Bangladesh
Institute of Nuclear Agriculture, Mymensingh, to investigate the growth,
some morphological features, dry matter production and its partitioning in
four groundnut genotypes viz.,
GM-16, GM-35,
GM-45 and Dhaka-1 during
the period from December 2007 to May 2008. The experiment was laid out in
a randomized complete block design with three replications. Significant
variations in morpho-physiological features, yield attributes and dry matter
production and its partitioning into different plant parts were found among
the four groundnut genotypes. High yielding genotypes had shorter plant
height, greater branch number than the low yielder, Dhaka-l. The plant
height, leaf area, leaf area index, total dry matter and absolute growth rate (at
early growth stage) were superior in Dhaka-1 over its growth period followed
by GM-35 but Dhaka-1 produced the lowest pod yield due to unfavorable
DM distribution to the economic yield. In contrast, GM-45 performed
inferiority in above studied parameters. GM-35 produced the highest pod
yield (22.2 g plant" and 3.04
t h&') due to the production of bolder and
higher number of pods plant'
while Dhaka-1 showed the lowest pod yield
although it had the highest number of pods planf' due to production of
smaller pods. Total dry matter production and its partitioning into pod
(economic yield) were significantly greater in three genotypes than the
cultivar, Dhaka-1 with being the highest in GM-35.
