Ploidy variation of hardy kiwifruit (Actinidia arguta) resources and geographic distribution in Japan

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Title
Ploidy variation of hardy kiwifruit (Actinidia arguta) resources and geographic distribution in Japan
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Description

Survey on the wild genetic resources of hardy kiwifruit (Actinidia arguta) in Japan was conducted to determine the ploidy variation and its geographic distribution. Among the 127 wild plants collected from different geographic locations, 15 plants were diploid, 87 were tetraploid, and 22 were hexaploid. Additionally, 2 plants were heptaploid and one plant was octaploid. The tetraploid plants were distributed all over the country, whereas the diploid and hexaploid plants were geographically localized, in the warm Pacific hill areas of the south western part and in the deep-snow region of the mid-northern part of Honshu, respectively. The diploid plants could be clearly distinguished from other plants with ploidy variation by the morphological characteristics of the leaf and fruit. Hexaploid plants showed a relatively larger L/D ratio of the leaf blade, a greenish petiole, and pubescence on the petiole and lower leaf vein, whereas the tetraploid plants exhibited a reddish petiole and callose hairs on the vein of the lower leaf surface. Fruit shape of the tetraploid plants varied largely, from round to ellipsoidal, whereas that of the hexaploid plants was mostly ellipsoidal. These results indicate that the hexaploid plants of A. arguta as well as the diploid and tetraploid ones, naturally grow in a certain size of population in the restricted region of Japan.

Author
著者 Kataoka Ikuo
著者(ヨミ) カタオカ イクオ
著者(別表記) 片岡 郁雄
著者 Mizugami Toru
著者(ヨミ) ミズガミ トオル
著者(別表記) 水上 徹
著者 Kim Jin Gook
著者(ヨミ)
著者(別表記)
著者 Beppu Kenji
著者(ヨミ) ベップ ケンジ
著者(別表記) 別府 賢治
著者 Fukuda Tetsuo
著者(ヨミ) フクダ テツオ
著者(別表記) 福田 哲生
著者 Sugahara Shuji
著者(ヨミ) スガハラ シュウジ
著者(別表記) 菅原 秀治
著者 Tanaka Koji
著者(ヨミ) タナカ コウジ
著者(別表記) 田中 功二
著者 Satoh Hirofumi
著者(ヨミ) サトウ ヒロフミ
著者(別表記) 佐藤 博文
著者 Tozawa Kazuhiro
著者(ヨミ) トザワ カズヒロ
著者(別表記) 戸沢 一宏
Publication Title
Scientia horticulturae
Volume
124
Issue
3
Start Page
409
End Page
414
Publisher
Elsevier
Published Date
20100405
ISSN
0304-4238
NCID
AA00836848
DOI
10.1016/j.scienta.2010.01.016
Resource Type
Journal Article
Language
eng
Rights
Copyright c 2010 Elsevier Ltd
Text Version
author
Set
香川大学
Copyright (C) 2009 Kagawa University All rights reserved.