Plants perceive aerosols as an intensification of atmospheric dryness and react according to their isohydricity
Chia-Ju Ellen Chi,
David A. Grantz,
Juergen Burkhardt
Abstract:Hygroscopic aerosols deposited to leaves are a local water vapor sink and can affect the water balance of plants by deliquescence and the formation of hydraulic films that penetrate into the stomata. Stomatal responses to aerosols and vapor pressure deficit(VPD) were investigated in two poplar clones grown hydroponically in ventilated greenhouses with and almost without ambient aerosols.With increasing VPD, transpiration increased in ANI, the more anisohydric clone, and decreased in ISO, the more isohydric clo… Show more
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