摘要
巨峰葡萄新梢（主梢）不同节位的叶片生长动态皆呈单Ｓ形曲线，大多数单叶的膨大生长期约１５～３２天，快速生长期７～９天。叶的净光合速率（Ｐｎ）在花期以花序节及其上第一节的最高，在浆果成熟期则随节位升高而增高。本文对叶龄、新梢种类和生长势对叶片生长和光合速率的影响进行了分析比较，对相关问题进行了简要讨论。
Leaves of Kyoho grapevines ( Vitis vinifera L. ×V. labrusca L. ) at different shoot nodes all showed a single_sigmoid pattern of growth. In general, the period of expansion growth for single leaves lasted 15～32 days and that of rapid growth_7～9 days. The highest rate of net photosynthesis (Pn) possessed just fully expanded leaves at flowering, i. e., leaves at the node with cluster and one node above it. However, the Pn increased with raised leaf position then at ripening period. Leaf age, shoot type and vigour affecting the leaf growth and photosynthesis were presented and discussed.
出处
《园艺学报》
CAS
CSCD
北大核心
1996年第3期213-217,共5页
Acta Horticulturae Sinica
关键词
巨峰葡萄
叶生长动态
光合特性
葡萄
Kyoho grapevine
Leaf growth dynamics
Photosynthetic characteristics
