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Relative humidity- and ABA-induced variation in carbon and oxygen isotope ratios of cotton leaves

Barbour, Margaret; Farquhar, Graham


Cotton (Gossypium hirsutum L. cv. CS50) plants were grown at two levels of relative humidity (RH) and sprayed daily with abscisic acid (ABA) at four concentrations. Plants grown at lower humidity had higher transpiration rates, lower leaf temperatures and lower stomatal conductance. Plant biomass was also reduced at low humidity. Within each humidity environment, increasing ABA concentration generally reduced stomatal conductance, evaporation rates, superficial leaf density and plant biomass,...[Show more]

CollectionsANU Research Publications
Date published: 2000
Type: Journal article
Source: Plant Cell and Environment
DOI: 10.1046/j.1365-3040.2000.00575.x


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