桃花芽生理分化与枝梢类型、芽在枝梢上所处部位的关系研究 |
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引用本文: | 李绍华,阿特热·P,比西·C. 桃花芽生理分化与枝梢类型、芽在枝梢上所处部位的关系研究[J]. 果树学报, 1988, 0(1) |
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作者姓名: | 李绍华 阿特热·P 比西·C |
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作者单位: | 华中农业大学(李绍华),法国国立农业科学院(阿特热·P),法国国立农业科学院(比西·C) |
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摘 要: | 采取喷施赤霉素(GA_3)的方法对红翼(Redwing)、阳冠(Suncrest)和红皮(Redskin)等3个桃品种的花芽生理分化期的研究表明:不同类型的枝梢,不同部位的芽,进入花芽生理分化期以及持续时间存在显著差异。花芽分化盛期的长短虽取决于品种自身的结果习性,但在长梢生长显著地减缓之前1—2周其长度约占最终生长总长度的70—80%时,所有供试品种均处于生理分化盛期。
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FLOWER PHYSIOLOGICAL DIFFERENTIATION OF PEACH AS RELATED TO TWIG TYPE AND BUD POSITION ON THE TWIG |
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Abstract: | Gibberellic acid (GA_3) when applied to peach trees in different times at certain concentration is as a means of making reseach on flower physiologica differentiation.Experiments with Redwing, Suncrest and Redskin indicated the beginning and the duration of flower physiological differentiation in relation to a twig length and a bud position on long twig(≥30cm). Therefore the varietal character of its twig distribution (long, medium and short) is a decisive factor for the duration of full flower physiological differentiation. But 1 or 2 weeks before remarkable decrease of twig development (70-80% of final twig length), all varieties are situated in full flower physiological differentiation. |
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