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6 recherche sur le mot-clé 'leaves'
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Rates of CO2 fixation during the light period and the rates of CO2 release during the night period were measured using mature leaves from 39- to 49-d-old spinach (Spinacia oleracea L., US Hybrid 424; grown in 9 h light, 15 h darkness, daily) and[...]article/chapitre/communication
C. Caldwell ; D. Fensom ; L. Bordeleau ; R. Thompson ; R. Drouin ; R. Didsbury | 1984article/chapitre/communication
F. Jorgensen ; S. Ledgard | 1997Growth and N-accumulation rates in leaves, stolons and roots of individual white clover plants were studied in three experiments using two methods. In a growth chamber experiment, the relative differences between tissues were found to be almost [...]article/chapitre/communication
A. Rothnebelsick ; D. Uhl ; V. Mosbrugger ; H. Kerp | 2001The leaves of extant terrestrial plants show highly diverse and elaborate patterns of leaf venation. One fundamental feature of many leaf venation patterns, especially in the case of angiosperm leaves, is the presence of anastomoses. Anastomosin[...]article/chapitre/communication
article/chapitre/communication
P. Minchin ; M. Thorpe ; J. Farrar ; O. Koroleva | 2002Phloem loading of carbohydrate within a mature exporting leaf of a barley seedling is shown to respond quickly to a change in the temperature of the root and the shoot meristem. This is interpreted as a close coupling between source supply and s[...]