Effect of Environmental Factors on Cuticular Transpiration Resistance | Zendy

S. Moreshet | Zendy

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Effect of Environmental Factors on Cuticular Transpiration Resistance

Author(s) -

S. Moreshet

Publication year - 1970

Publication title -

plant physiology

Language(s) - English

Resource type - Journals

SCImago Journal Rank - 3.554

H-Index - 312

eISSN - 1532-2548

pISSN - 0032-0889

DOI - 10.1104/pp.46.6.815

Subject(s) - helianthus annuus , transpiration , sunflower , water balance , resistance (ecology) , water vapor , relative humidity , water transport , botany , arid , adaptation (eye) , humidity , range (aeronautics) , environmental science , biology , chemistry , horticulture , agronomy , ecology , materials science , water flow , environmental engineering , meteorology , photosynthesis , physics , composite material , geotechnical engineering , organic chemistry , neuroscience , engineering

Measurements of the various diffusive resistances to water vapor transport within the leaves of sunflower plants (Helianthus annuus) growing in a controlled environment chamber, were used to calculate values of cuticular resistance under a range of environmental conditions. Cuticular resistance to water loss was found to be inversely related to the relative humidity of the surrounding air, and it is suggested that such a mechanism would form a useful adaptation to arid conditions, enabling plants to maintain a more favorable internal water balance.

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