EFFECT OF SEED PRIMING BY KH2PO4 AND DIFFERENT TEMPERATURE ON SEEDS GERMINATION BEHAVIOR OF OKRA (Abelmoschus esculentus L.)
Abstract
In order to evaluate the effect of seed priming techniques on seeds germination
characteristics of Okra. an experiment was conducted at the Seeds obtained directly
from the field of Babil governorate during the season of (2012-2013). Seeds were
primed for 4 hours at two temperatures (25 and 30 Cº) in priming media (1.5% and
3% KH2PO4, and hydropriming, distilled water as control). Maximum seed
germination percentage, germination speed index (GSI), seedling vigour index (SVI),
was observed when the seeds primed by KH2PO4 3% for 4h and at 20 and 30 Cº.
Relative growth rate and all seeds germination characteristics in this study also
increasing with increased KH2PO4 concentration from 1.5 to 3% compared to control
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