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Effect of inhibitors of gibberellin biosynthesis on the induction of α-amylase in embryoless caryopses ofHordeum vulgarecv. Himalaya

✍ Scribed by Sarah J. Gilmour; Jake MacMillan

Publisher: Springer-Verlag
Year: 1984
Tongue: English
Weight: 200 KB
Volume: 162
Category: Article
ISSN: 0032-0935
DOI: 10.1007/bf00397426

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✦ Synopsis

The induction of a-amylase by exogenously supplied gibberellin A~ (GA1) and GA 4 in embryoless caryopses of Hordeum vulgare (cv. Himalaya) was determined indirectly by measuring reducing sugars released from the endosperm. The presence of the inhibitors of GA biosynthesis, 2isopropyl-4-dimethylamino-5-methylphenyl-l-piperidinecarboxylate methyl chloride (Amo 1618), Ancymidol, 2-chloroethyl trimethyl ammonium chloride (CCC) or (R,S)-l-(4-chlorophenyl)-4,4-dimethyl-2-(l,2,3-triazolyl)pentan-3-ol (PP333) did not inhibit 0~-amylase production by either GA1 or GA 4.

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