Structure of transpiration ecoboundary layer of organs of poplar seedlings

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Chinese Journal of Applied Ecology ›› 1995, Vol. 6 ›› Issue (1): 14-16.

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Structure of transpiration ecoboundary layer of organs of poplar seedlings

Guo Jishan

Nanjing Forestry University, Nanjing 210037

Received:1992-07-14 Revised:1993-09-09 Online:1995-01-25 Published:1995-01-25

Abstract

Abstract: The thickness of transpiration ecoboundary layer of leaves, stems and whole plants ofpoplar seedlings is measured by means of ³H₂O tracing techniques, and the relationship between transpiration of poplar seedling and environment is studied.The results show thatthe transpiration rate of upper leaf surface is larger than that of lower surface, and that ofleaf margins is larger than that of the midribs.The transpiration ecoboundary thicknessof leaf is 5-6cm, while that of whole seedling is 24cm.

Key words: Poplar seedling, Transpiration rate, Ecoboundary layer

Guo Jishan. Structure of transpiration ecoboundary layer of organs of poplar seedlings[J]. Chinese Journal of Applied Ecology, 1995, 6(1): 14-16.

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Structure of transpiration ecoboundary layer of organs of poplar seedlings

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