Foliar abscisic acid content underlies genotypic variation in stomatal responsiveness after growth at high relative air humidity | Zendy

Habtamu Giday | Zendy; Dimitrios Fanourakis | Zendy; Katrine Heinsvig Kjær | Zendy; Inge S. Fomsgaard | Zendy; CarlOtto Ottosen | Zendy

Open Access

Foliar abscisic acid content underlies genotypic variation in stomatal responsiveness after growth at high relative air humidity

Author(s) -

Habtamu Giday,

Dimitrios Fanourakis,

Katrine Heinsvig Kjær,

Inge S. Fomsgaard,

CarlOtto Ottosen

Publication year - 2013

Publication title -

annals of botany

Language(s) - English

Resource type - Journals

SCImago Journal Rank - 1.567

H-Index - 176

eISSN - 1095-8290

pISSN - 0305-7364

DOI - 10.1093/aob/mct220

Subject(s) - abscisic acid , biology , cultivar , desiccation , botany , photoperiodism , stomatal density , horticulture , relative humidity , photosynthesis , gene , biochemistry , physics , thermodynamics

Stomata formed at high relative air humidity (RH) respond less to abscisic acid (ABA), an effect that varies widely between cultivars. This study tested the hypotheses that this genotypic variation in stomatal responsiveness originates from differential impairment in intermediates of the ABA signalling pathway during closure and differences in leaf ABA concentration during growth.

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