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Volume 24, Issue 1
Displaying 1-6 of 6 articles from this issue
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VI. On the tea plants grown in ChinaHideki OGAWA, Minoru HASIMOTO, Takasi SIMURA1980 Volume 24 Issue 1 Pages 1-5
Published: March 01, 1980
Released on J-STAGE: March 19, 2010
JOURNAL FREE ACCESSThe morphological characteristics of tea plants were compared, using materials collected from Chekiang, Kiangsi and Kwangtung in China in August, 1978, and further cluster analysis was carried out, based on the measurement values of leaf characters.
The tea plants at Chekiang had generally small leaves and they were taxonomically assumed to belong to the form parvifolia within var. sinensis. Almost all the tea plants at Kiangsi belonged to the common var, sinensis, although there were a few of the form of parvifolia. At Lu Shan the existence of the form macrophylla was recognized. The tea plants at Kwangtung were inclined to have larger leaves than those at Kiangsi, and many plants which resembled the types of var. assamica were observed.
The results of cluster analysis showed that they could be classified into 3 groups. The first group included all the forms of parvifolia with extremely small leaves. In the second group both Kiangsi forms and chekiang forms were grown together and they formed a majority of the 30 individual samples used as materials. In the third group there were only the tea plants at Kwangchow in Kwangtung, and they belonged decidedly to var, assamica.
In Kwangtung both var, sinensis and var. assamica were grown together, and therefore it was conjectured that in the regions of Szechwan, Yunnan and Kweichow in China, both types of plants with larger and smaller leaves would grow together.View full abstractDownload PDF (551K) -
Yin Po WANG, Shuji MORITA1980 Volume 24 Issue 1 Pages 6-12
Published: March 01, 1980
Released on J-STAGE: March 19, 2010
JOURNAL FREE ACCESSCitrus is extensively grown both in tropical and subtropical regions of Taiwan. The results of leaf analyses showed some differences among the varieties and also between the two regions. The average values of leaf analysis were lower than such values in the temperate zone of Japan. The levels of major elements in the soils were generally higher in the subtropical soil than in the tropical soil except for exchangeable Ca, Mg, and Ca-saturation. The levels of major elements in the soils studied were lower than those of the citrus groves in Japan. The contents of minor elements were higher in the tropical region than in the subtropical region except for Cu; these contents were lower than those in Japan except for Cu. Correlations were found between the results of leaf and soil analyses on Ca, Mg and Zn.View full abstractDownload PDF (795K) -
Jun INOUYE, Yoshihide MOGAMI1980 Volume 24 Issue 1 Pages 13-17
Published: March 01, 1980
Released on J-STAGE: December 08, 2010
JOURNAL FREE ACCESSThe position of the lowest internode which elongated after submerging in water was examined about 261 traditional floating rice varieties originated in 6 countries under continuous light conditions. The mean value for the position of the lowest elongated internode of all the varieties which derived from a certain country was the lowest in Bangladesh rice, followed in ascending order by Indian rice, Thai rice, Cambodian rice, Vietnamese rice, and Burmese rice.View full abstractDownload PDF (627K) -
Yoshifumi USAMI, Akinobu KAWAI1980 Volume 24 Issue 1 Pages 18-26
Published: March 01, 1980
Released on J-STAGE: March 19, 2010
JOURNAL FREE ACCESSDownload PDF (912K) -
[in Japanese]1980 Volume 24 Issue 1 Pages 27-34
Published: March 01, 1980
Released on J-STAGE: March 19, 2010
JOURNAL FREE ACCESSDownload PDF (1099K) -
[in Japanese]1980 Volume 24 Issue 1 Pages 35-42
Published: March 01, 1980
Released on J-STAGE: March 19, 2010
JOURNAL FREE ACCESSDownload PDF (1175K)
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