Adventitious bud formation on leaf and stem segments of Heloniopsis orientalis grown at various temperatures |
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Authors: | Kato, Yukio Ozawa, Noriko |
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Affiliation: | Biological Laboratory, Fukui University Fukui 910, Japan |
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Abstract: | The effect of different temperatures on bud formation in excisedleaf fragments and in stem segments of Heloniopsis orientalis,a monocotyledonous plant, was investigated in light and in darkness.The optimal temperature for bud formation was 21?C to 25?C.16?C pretreatment for 7 to 21 days promoted bud formation inleaf segments. 30?C pretreatment for 7 days or more reducedthe number of buds in both young etiolated and mature greenleaf segments but not in young green leaf segments. In younggreen leaf segments grown in darkness, however, 30?C pretreatmentreduced the number of buds. Inhibition of bud formation dueto high temperature could not be reversed by BA. (Received November 15, 1978; ) |
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