Summary: | A study has been purposed to determined the correlation of some clones rubber
seed weight with some parameters of rootstock vigorous. The rootstock vigorous can be
appearedby plant�s height, leaf quantity, leaf wide, diameter of steam, root�s long, root�s
and shoot�s wet and dry weight. This study uses a completely randomized design with 4
replications and the correlation test has done by measuring seed weight from 5 rubber
clones, which are clone GT 1, PB 260, BPM 24, LCB 1320, and PR 303, then planted in
polybag and observing the growth parameters in every week for getting data of plant�s
height, diameter of stem, and leaf quantity, meanwhile the other parameters be observed
at the end of the observation. The final data observations used Leaf Area Meter for
measuring leaf wide, and oven method to obtaining data of shoot�s and root�s dry
weight. In this study it can be concluded that the weight of seed size in clones GT 1, PB
260, BPM 24, and PR 303 has vigorous level higher than medium or light seeds, while
seed weight in LCB 1320 clones have vigorous in same level as the seed medium and
light ones.
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