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Japanese journal of tropical agriculture | 2000

Photoperiodic response of water yam (Dioscorea alata L.), Chinese yam (D. opposita Thunb.) and jinen-jo (D. japonica Thunb.).

Hironobu Shiwachi; Michio Onjoh; Mitsuru Hayashi


Japanese journal of tropical agriculture | 2001

Growth Patterns of Water Yam (Dioscorea alata L.) Introduced from High Altitude Areas of Nepal in Temperate Zone

Hironobu Shiwachi; Michio Onjo; Mitsuru Hayashi


Japanese journal of tropical agriculture | 1995

Ecophysiological Studies on Growth and Enlargement of Tubers in Yams (Dioscorea spp.)

Kwang-Jin Chang; Hironobu Shiwachi; Mitsuru Hayashi


Bulletin of the Faculty of Agriculture, Kagoshima University | 1995

Ecological and Morphological Characterization and General Evaluation of the Introduced Yams (Dioscorea alata L.)

Hironobu Shiwachi; Kwang Jin Chang; Mitsuru Hayashi


Japanese journal of tropical agriculture | 2000

Classification of Yams (Dioscorea spp.) Based on Morphological Characters and RAPD Method

Hironobu Shiwachi; Michio Onjo; Mitsuru Hayashi


熱帯農業 | 2005

30. Effect of n-propyl dihydrojasmonate (PDJ) on in vitro growth of yam (Dioscorea spp.) explants

Hidehiko Kikuno; Zaynab Oladimeji; Albert Ebuehi; Hironobu Shiwachi; Michio Onjo; Robert Asiedu


熱帯農業 | 2004

36. Influence of explant condition on microtuberization of yams (Dioscorea alata and D. rotundata)

Hidehiko Kikuno; Hironobu Shiwachi; Michio Onjo; Robert Asiedu


南太平洋海域調査研究報告=Occasional papers | 2003

POSSIBILITY OF EARLY-SEASON CULTURE OF WATER YAM (DIOSCOREA ALATA L.) IN YAKU ISLAND

Michio Onjo; Hironobu Shiwachi; Mitsuru Hayashi


南太平洋海域調査研究報告=Occasional papers | 2003

DISTINCTION OF MIXED WATER YAM'S STARAINS (DIOSCOREA ALATA L.) CULTIVATED IN YAKU ISLAND

Michio Onjo; Tomoaki Matsuo; Shinichiro Hakariya; Hironobu Shiwachi; Mitsuru Hayashi


南太平洋海域調査研究報告=Occasional papers | 2001

ヤムイモ(Dioscorea spp.)における形態的形質およびRAPD法による系統の分類

弘信 志和地; 道雄 遠城; Mitsuru Hayashi; Hironobu Shiwachi; Michio Onjo

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