Cold treatments enhance responsiveness to gibberellin in stock (Matthiola incana (L.) R. Br.

作者: T. Hisamatsu , M. Koshioka

DOI: 10.1080/14620316.2000.11511306

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摘要: SummaryEndogenous GAs have been suggested as regulators of stem elongation and flowering cold-requiring plants. Here, the relationship between temperature conditions responsiveness to GA4 on stock (Matthiola incana) was investigated. The optimum for induction flower bud initiation 10°C, minimum duration 20 d in late cv. Banrei; type cold treatment effect classified a “direct effect”. Stem markedly promoted by regardless initiation. amplified response GA4. level necessary lower 10°C than 15°C treatment, it became at longer durations treatment. These results indicate that treatments enhance not only process but also development r...

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