Shokubutsugaku Zasshi
Online ISSN : 2185-3835
Print ISSN : 0006-808X
ISSN-L : 0006-808X
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Volume 41, Issue 481
Displaying 1-6 of 6 articles from this issue
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  • The Botanical Magazine. Volume XLI. No. 481--492. CONTENTS
    1927 Volume 41 Issue 481 Pages App_1-
    Published: 1927
    Released on J-STAGE: February 17, 2022
    DOIhttps://doi.org/10.15281/jplantres1887.41.481_App_1
    JOURNAL FREE ACCESS
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  • On the Age of the Ancient Fruit of the Indian Lotus which is kept in the Peat Bed in South Manchuria
    I. Ohga
    1927 Volume 41 Issue 481 Pages 1-6
    Published: 1927
    Released on J-STAGE: June 18, 2007
    DOIhttps://doi.org/10.15281/jplantres1887.41.1
    JOURNAL FREE ACCESS
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    1. The ancient lotus fruit which is kept in the peat bed near Pulantien, South Manchuria, was introduced to men of science by Mr. U. LIU the land owner, about 1907 and Professor KORIBA who was working at Tokyo Botanic Garden on those days has made the germination experiment of the fruit.
    2. About all the area of the peat bed, four square kilometers, contains the ancient lotus fruit at some feet below the surface of the soil.
    3. The ancient pond where the lotus plant had grown was located at present in the place surrounded by the twenty-five meter contour line.
    4. The pond had dried up more than 160 or 250 years ago as shown by historical data, so the age of the fruit might be at least more than 160 or 250 years, though all the data formally stated can not yet be rejected.
    5. This buried lotus fruit is the oldest one in the plant world and also its germination rate is the highest. Hence the lotus fruit might be looked upon as the longest viable one in the plant world.
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  • Revisio Graminum Japoniae XII
    M. Honda
    1927 Volume 41 Issue 481 Pages 6-17
    Published: 1927
    Released on J-STAGE: June 18, 2007
    DOIhttps://doi.org/10.15281/jplantres1887.41.6
    JOURNAL FREE ACCESS
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    [in Japanese]
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  • Physiological researches on the fertility in Petunia violacea. I
    On the effects of pollination within the same flower and that between different flowers on the same individual
    SADAO YASUDA
    1927 Volume 41 Issue 481 Pages 17-27
    Published: 1927
    Released on J-STAGE: June 18, 2007
    DOIhttps://doi.org/10.15281/jplantres1887.41.17
    JOURNAL FREE ACCESS
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    This paper concernes with a part of the result obtained in the investigation carried on in order to study the fertility in Petunia violacea from the physiological point view. The first thing done was to compare the effects of the pollination within the same flower (self-pollination) and that between different flowers on the same individual (neighbour-pollination).
    It is found out that the materials used have different power in self fertility. The cause of this difference may rather be due to the physiological action than the abnormality in the pollen or the egg cells, for both of them are functional with their complemental ones in other individual.
    Shortly before the opening of the flower it is ringed with the fine wire so that it would not get any pollen from other flowers. When the flower were open some of them were self pollinated while others neighbour pollinated. Pollen grains in one anther were all used for each pollination in every case, and the excessive stamens were taken off.
    The percentage of the flowers fertilized in different individuals and the period from the pollination to the withering of each flower (flower life) were compared, and in the case where the fertilization was unsuccessful, the length and diameter of such ovaries were measured at their maximum growth. But in the case of the successful fertilization, the length and diameter of each capsule, and also the number and the weight of the seeds were measured in addition to the comparisons of the germinating percentage of the seeds and the length of the seedlings.
    The results of these experiments may be summarised as follows:-(the neighbour pollination when compared with the self pollination, )
    1, the fertilization was more successful;
    2, the life of the flowers was shorter;
    3, the unfertilized ovaries were much more larger;
    4, the capsules of the fertilized ovaries were larger;
    5, such capsules contained a larger number of seeds;
    6, the seeds were larger and heavier;
    7, the seedlings of these seeds were larger.
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  • [title in Japanese]
    1927 Volume 41 Issue 481 Pages 28-31
    Published: 1927
    Released on J-STAGE: May 14, 2013
    DOIhttps://doi.org/10.15281/jplantres1887.41.481_28
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  • [title in Japanese]
    1927 Volume 41 Issue 481 Pages 32-
    Published: 1927
    Released on J-STAGE: February 17, 2022
    DOIhttps://doi.org/10.15281/jplantres1887.41.481_32
    JOURNAL FREE ACCESS
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