【摘要】 在葡萄 浆果成 熟期，干红 酒用葡 萄品种果 枝主梢 叶片的 净光 合速 率随 着叶 片着 生节 位的升高而 增加；副 梢叶片的 光合速 率大于 主 梢叶 片； 赤霞 珠 品种 夏芽 副 梢与 冬芽 副 梢叶 片光 合 速率基本相 同；具单 果穗或双 果穗果 枝叶片的 光合速 率在不同 的酒用葡 萄品种 上表现不 一。更多还原

【Abstract】 The leaf photosynthetic rate (Pn)of red wine grape varieties increased with raised leaf position in berry ripening period.The Pn of the leaves on the secondary shoots was higher than that of leaves on the primary shoots.The leaves Pn for Cabernet Sauvignon on the summer secondary shoots was a little higher than that of leaves on the winter secondary shoots.Leaf age ,shoot type and vigour affecting the leaf Pn were presented and discussed.更多还原