PAPER: Plant leaf waxes can “block” particle deposition ? 気孔周辺のワックス結晶は粒子付着を防止?

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Journal of Plant Research (13 June 2016) DOI 10.1007/s10265-016-0839-7
plants-Fuchucampus“Effect of epicuticular wax crystals on the localization of artificially deposited sub-micron carbon-based aerosols on needles of Cryptomeria japonica (Sugi)”


Elucidation of the mechanism of adsorption of particles suspended in the gas-phase (aerosol) to the outer surfaces of leaves provides useful information for understanding the mechanisms of the effect of aerosol particles on the growth and physiological functions of trees. We examined the localization of artificially deposited sub-micron-sized carbon-based particles on the surfaces of needles of Cryptomeria japonica, a typical Japanese coniferous tree species, by field-emission scanning electron microscopy (FE-SEM).  Our results suggest thatepicuticular wax crystals affect distribution of carbon-based particles on needles. Therefore, densely distributed epicuticular wax crystals might prevent the deposition of sub-micron-sized carbon-based particles on the surfaces of needles of Cryptomeria japonica to retain the function of stomata.

Satoshi Nakaba (TUAT, Faculty of Agriculture)
Kenichi Yamane (TUAT, Faculty of Agriculture)
Mie Fukahori (TUAT, Faculty of Agriculture)
Widyanto Dwi Nugroho (TUAT)(Faculty of Forestry, Universitas Gadjah Mada, Indonesia)
Masahiro Yamaguchi (TUAT)(Grad. School of Fisheries Science and Environmental Studies, Nagasaki University)
Katsushi Kuroda (Forestry and Forest Products Research Institute)
Yuzou Sano (Grad. School of Agriculture, Hokkaido University)
I. Wuled Lenggoro (TUAT, Dept. of Chemical Engineering)
Takeshi Izuta (TUAT, Faculty of Agriculture)
Ryo Funada (TUAT, Faculty of Agriculture)

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