Regulation of plant elongation growth by surface and xylem proton pumps

Mizuno, Akiko; Katou, Kiyoshi

doi:10.1007/bf02344292

Cited by 4 publications

(1 citation statement)

References 29 publications

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“…The organic acids contribute not only to fog water acidification, but also to vegetation damage (Mizuno and Katou, 1996;Tezuka et al, 1998). The concentrations of formate, acetate and oxalate were 41-70uM, 43-73uM and 11-30uM, respectively (Tezuka et al, 1998).…”

Section: Major Ionsmentioning

confidence: 99%

Chemical Composition of Fog Water near the Summit of Mt. Norikura in Japan

Watanabe

Ishizaka

Takenaka

1999

Journal of the Meteorological Society of Japan

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Chemical measurements of fog water have been made near the summit of Mt. Norikura (altitude 2770m) in central Japan, during the summer and autumn from 1994 to 1996. Highly acidic fogs (pH<4) were observed both in the summer and autumn. The SO42-was the most dominant anion in fog water. The [SO42-]/{NO-3] equivalent ratio was much less than that measured in the 1960s. The results may reflect the difference between the characteristics of air pollution in Japan during the 1960s, and that of the 1990s.The ratio of [SO42-}/[NO] in the fog water was significantly higher during the summer than in autumn. In addition, the [Cl-]/[Na+] ratio was much higher than that of seawater in the summer. The non-sea-salt Cl-also seems to contribute to the fog water acidification. The ratio of the summertime [NH4+]/[SO42-] was also higher than that in the autumn. A relatively high pH (pH>6) of fog water was observed, despite the high concentration of SO42-during July 1994. The hydrogen peroxide (H2O2) concentration during the summer varied over a range of 3-180uM, with an average concentration of 60uM. Relatively high concentrations of H2O2 (60-70uM) were observed, even in the autumn.

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Section: Major Ionsmentioning

confidence: 99%