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首页> 外文期刊>园芸学会杂志 >Effect of gibberellin A4 and GA biosynthesis inhibitors on growth and flowering of stock [Matthiola incana (L.) R. Br.].
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Effect of gibberellin A4 and GA biosynthesis inhibitors on growth and flowering of stock [Matthiola incana (L.) R. Br.].

机译：赤霉素A4和GA生物合成抑制剂对砧木[Matthiola incana（L.）R. Br。]生长和开花的影响。

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摘要

The effects of gibberellin A4 (GA4) and 3 gibberellin biosynthesis inhibitors (uniconazole (UCZ), prohexadione-calcium (PCa) and trinexapac-ethyl (TNE)) on the growth and flowering of M. incana were investigated. In early flowering Sourei, UCZ inhibited stem elongation and flowering. Compared with controls, GA4, PCa and TNE promoted flowering at 20degree C/15degree C and 25degree C/20deg C (dayight) under 12-h photoperiods. However, only PCa and TNE induced flowering of late flowering Banrei at 20degree C/15degree C. Flowering was not induced in at 25degree C/20degree C or 30degree C/25degree C, but stem elongation of both cultivars was promoted by GA4 and PCa at all temperatures. Under greenhouse conditions in the winter, PCa promoted flowering of Banrei. Although GA4 and PCa promoted stem elongation, they did not induce flowering in the summer. It is suggested that biosynthesis and deactivation of GA4 are important factors in the control of stem elongation and flowering.
机译：研究了赤霉素A4（GA4）和3种赤霉素生物合成抑制剂（烯康唑（UCZ），原己二酮钙（PCa）和抗倒酯（TNE））对印度猕猴的生长和开花的影响。在早期开花的Sourei中，UCZ抑制茎伸长和开花。与对照相比，GA4，PCa和TNE在12 h光周期下在20°C / 15°C和25°C / 20°C（白天/晚上）促进开花。然而，只有PCa和TNE在20°C / 15°C诱导晚花Banrei开花。在25°C / 20°C或30°C / 25°C时不诱导开花，但GA4和PCa促进了两个品种的茎伸长。所有温度。在冬季温室条件下，PCa促进了Banrei开花。尽管GA4和PCa促进茎伸长，但它们在夏天并未诱导开花。提示GA4的生物合成和失活是控制茎伸长和开花的重要因素。

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