Studies on the Assimilation of Carbon in Tea Plant (Part 3):On the Assimilation of Carbon in Mature Tea Garden

概要

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The authors measured photosynthetic rate of tea plants grown in field with an appar-atus modified from that reported in part 1.<BR>After espalier training, the rate of carbon assimilation decreased and midday rest was observed distinctly. Before plucking when tea shoots developed 4 leaves or more, the rate of carbon assimilation reached its summit.<BR>At sprouting time or after espalier training, 0.5 cal./cm2, min. was the light saturation point, and when the light intensity ex-ceeded 0.6-0.8 cal., the rate of carbon assimilation somewhat decressed. But before plucking time, up to 1.0 cal. of light intensity, the rate of carbon assimilation increased with light, and excepting the period of midday rest, both the depression with light and the changes by temperature of carbon assim-ilation were not observed.
日本茶業技術協会の論文