カラスムギ生態型の草型のクラスター分析
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概要
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Seventy three accessions from Japan, 29 from Korea, 3 from Australia, 2 from Canada, 1 from Mexico and 1 from West Germany of wild common oat (Avena fatua L.) and one accession of common oat (A. sativa L.) were raised in the experimental field spacing 15×15 cm over the winter in 1974 to 1975. Using eleven gross morphological traits of mature plants, normalized Euclidian distances, GOODMAN'S^<2)> measures and Q-correlation coefficients among accessions were calculated. Cluster analyses were carried out by the unweighted pair-group method using arithmetic averages. Clusters derived from Euclidian distance and those from GOODMAN'S measure were well projected on a plan of first and second principal component axes. Clusters from Q-correlation were made across second principal component axis. Clustering by means of GOODMAN'S measure showed an appropriate classification of plant types. Common form could be divided into following four groups, ( 1 ) accessions from high latitude (Hokkaido of Japan, Canada and West Germany), ( 2 ) those from urban wasteland of southern Japan showing relatively tall plant stature, ( 3 ) those from cultivated fields and rural wastelend of southern Japan and Korea with Australian and Mexican accessions and common oat, ( 4 ) those with relatively short culm from cereal field of Japan. D-form could be divided into two groups and showed a similarity to the relatively short culm common form. C-form and U-form were more similar to the common form with short culm in their plant stature than others.
- 1982-08-26
論文 | ランダム
- 随想 新渡戸稲造と田中館愛橘
- サステイナビリティ(持続可能性)について (特集 サステイナビリティ(持続可能性))
- 塩化ホスホニトリルおよびその誘導体について
- 部会報告 教育課程検討部会
- 教育課程検討部会報告