EFFECT OF LIGHT QUALITIES AND STORAGE PERIODS ON THE GERMINATION OF PENNISETUM POLYSTACHION SEEDS*)
AbstractSeedsÂ ofÂ theÂ yellowishÂ inflorescenceÂ strainÂ ofÂ Pennisetum polystachion,Â collectedÂ fromÂ theÂ fieldÂ in Indonesia, were keptÂ in the darkÂ for 30 days,Â then germinatedÂ in 12-hÂ light and 24-hÂ light under variousÂ light qualities, namely, white, black, blue, red and far-red. There was no effect of photo-period to seed germination. Percent of seed germination under white, red, far-red, blue and dark were 49, 43, 22, 11 and 2%, respectively. White and red light did not cause any difference to seed germination. Seeds kept in 12-h light alternating with 12-h dark and 24-h dark for 15 and 30 days were tested for germination. ResultsÂ showedÂ thatÂ lightÂ condition duringÂ seedÂ storage did notÂ effectÂ seed germination.Â Long storage period resulted in more seed germination. During seed germination test, effect of light played a great role on increasing seed germination.
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