受精前后梨子房(幼果)中钙与内源激素含量的关系

Relationship Between Calcium and Endogenous Hormones in Ovary (Fruitlet) of Pear During Pre-and Post-fertilization Stage

受精促进子房(幼果)对钙的吸收,受精完成后的黄花子房(幼果)中钙含量迅速上升,未受精的子房(幼果)中钙含量远低于同期受精的果实。受精前后钙含量变化与其中IAA和GA3含量变化相似;NAA、GA3处理促进钙的吸收。IAA和GA3可能同时参与受精前后树体中的钙向幼果(子房)的运输过程。

Fertilization could promote calcium uptake by ovary (fruitlet), and content of calcium in ovary (fruitlet)increased rapidly after fertilization, while that in overay (fruitlet) without fertilization was much lower. Thedynamics of calcium in ovary (fruitlet) was similar to that of IAA and GA3. NAA and GA3 treatments both couldpromote calcium uptake by fruit. NAA and GA3 could probably take part in the process of calcium transporta-tion from tree to fruit during pre- and post-fertilization stage.