櫻 (そめいよしの) の開花に関する調査

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  • Research on the Flowering of Cherry-Blossom

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Many papers on the blooming of cherry-blossoms, in connection with meteorological factors, were published by investigators.<br>Connecting with this problem, the auther measured the length of peduncle in the period from breaking a bract to blooming date and meteorological factor;<br>The results are as follows.<br>(1) The two districts —one of those two districts is Inogashira park (at kichijoji) and the other Kojimachi (at the centor of Toko city)— have the signifficant difference between their mean blooming date.<br>(2) The author comprehend that the result of eye-observation is reliable comparatively, in comparison with the measured date.<br>(3) The most affective factor on the blooming date seems to be maximum temperature in that period, and when the maximum temperature exceeds 1°C from 7.05°C the length of peduncle increases 0.35mm.

収録刊行物

  • 農業気象

    農業気象 10 (3-4), 87-90, 1955

    日本農業気象学会

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