期刊
BRAZILIAN ARCHIVES OF BIOLOGY AND TECHNOLOGY
卷 47, 期 6, 页码 863-871出版社
INST TECNOLOGIA PARANA
DOI: 10.1590/S1516-89132004000600005
关键词
coffee; shading; morphology; physiology; agroforestry
类别
Modifications on leaf anatomy in Coffea arabica shaded with pigeonpea (Cajanus cajan), compared to cultivation under full sun, were assessed. The leaves fully exposed to sunlight presented thicker cuticles and cellular wall; a narrower epidermis cells, palisade parenchyma with longer cells, thicker lacunar parenchyma, fewer intercellilar spaces and a larger stomata nunber. Leaves under dense shade presented a narrower cuticle and cellular wall, a mesophyll with smaller volume, but with larger intercellular spaces; and epidermis with thicker cells and a smaller stomata amount, surrounded by subsidiary cells of smaller dimensions. Plants grown under full sunlight presented higher values of net photosynthesis. The results evidenced that the species C. arabica has a wide range of phenotypic adaptation to changes in the radiation intensity.
作者
我是这篇论文的作者
点击您的名字以认领此论文并将其添加到您的个人资料中。
推荐
暂无数据