银杏雄花芽分化期间内源激素、碳水化合物和矿质营养含量的变化

doi:10.11707/j.1001-7488.20040209

林业科学 ›› 2004, Vol. 40 ›› Issue (2): 51-54.doi: 10.11707/j.1001-7488.20040209

银杏雄花芽分化期间内源激素、碳水化合物和矿质营养含量的变化

张万萍史继孔

贵州大学农学院园艺系,贵阳550025

收稿日期:2001-10-29 修回日期:1900-01-01 出版日期:2004-03-25 发布日期:2004-03-25

Changes of Endogenous Hormones,Carbohydrate and Mineral Nutritions during the Differentiation of Male Flower Buds in Ginkgo biloba

Zhang Wanping,Shi Jikong

Department of Horticulture, Agricultural College,Guizhou University Guiyang550025

Received:2001-10-29 Revised:1900-01-01 Online:2004-03-25 Published:2004-03-25

摘要/Abstract

摘要：

银杏雄花芽生理分化期间花芽中赤霉素(GA₁₊₃)、脱落酸(ABA)含量下降,玉米素(ZRs)、异戊烯基腺嘌呤类(iPAs)的含量以及ZRs/GA₁₊₃、iPAs/GA₁₊₃、ZRs/ABA、iPAs/ABA上升且高于叶芽;形态分化开始后,花芽内ZRs、iPAs的含量以及ZRs/GA₁₊₃、iPAs/GA₁₊₃、ZRs/ABA、iPAs/ABA下降且维持低水平,花芽内ABA含量和ABA/GA₁₊₃在高于叶芽的水平上波动。在银杏雄花芽分化过程中,雄花芽叶中钾和总糖含量均高于同期雄叶芽叶,而全氮的含量基本低于同期雄叶芽叶;生理分化期雄花芽叶内磷含量高于同期雄叶芽叶。

关键词: 银杏, 雄花芽, 分化, 内源激素, 碳水化合物, 矿质营养

Abstract:

The contents of GA₁₊₃ and ABA in male flower buds of Ginkgo biloba decreased at the physiological differentiation stage, meanwhile the contents of ZRs and iPAs, the ratio of ZRs to GA₁₊₃ ,the ratio of iPAs to GA₁₊₃ ,the ratio of ZRs to ABA,and the ratio of iPAs to ABA were higher than those in leaf buds and reached a peak. At morphological differentiation stage, the contents of ZRs and iPAs, the ratio of ZRs to GA₁₊₃ , the ratio of iPAs to GA₁₊₃ ,the ratio of ZRs to ABA,and the ratio of iPAs to ABA were low, but ABA content and the ratio of ABA to GA₁₊₃ were higher than those in leaf buds. The contents of K and total carbohydrate in leaves of male spurs were higher than those in leaves of shoots during the whole period, on the contrary, the content of N was lower than that of leaves of shoots. The content of P in leaves of spurs was higher than that in leaves of shoots at physiological differentiation stage.

Key words: Ginkgo biloba, Male flower bud, Differentiation, Endogenous hormones, Carbohydrate, Mineral nutrition

张万萍史继孔. 银杏雄花芽分化期间内源激素、碳水化合物和矿质营养含量的变化[J]. 林业科学, 2004, 40(2): 51-54.

Zhang Wanping;Shi Jikong. Changes of Endogenous Hormones,Carbohydrate and Mineral Nutritions during the Differentiation of Male Flower Buds in Ginkgo biloba[J]. Scientia Silvae Sinicae, 2004, 40(2): 51-54.

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银杏雄花芽分化期间内源激素、碳水化合物和矿质营养含量的变化

Changes of Endogenous Hormones,Carbohydrate and Mineral Nutritions during the Differentiation of Male Flower Buds in Ginkgo biloba

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