| Type | Author(s) | Title | Other Titles | Citation | Citation(alt) | Issue Date |
| bulletin (article) | HARADA, Takashi; YAKUWA, Toshiro | Basic Studies on the Vegetative Propagation of Horticultural Plants : Ⅳ Callus formation in the in vitro culture of current shoot segments of highbush blueberry | - | Journal of the Faculty of Agriculture, Hokkaido University | 北海道大學農學部紀要 | Mar-1984 |
| bulletin (article) | WATANABE, Shin-ichi; IMAKAWA, Shigreru; YAKUWA, Toshiro | CONDITIONS OF ROOTING FROM SHOOT APICES FOR MASS PROPAGATION IN ASPARAGUS | - | Journal of the Faculty of Agriculture, Hokkaido University | 北海道大學農學部紀要 | Jan-1991 |
| bulletin (article) | Kumu, Yonju; HARADA, Takashi; YAKUWA, Toshiro | Development of a Whole Plant from a Shoot Tip of Asparagus officinalis L. Frozen Down to -196℃ | - | Journal of the Faculty of Agriculture, Hokkaido University | 北海道大學農學部紀要 | Nov-1983 |
| bulletin (article) | SAKAI, Akira; YAMAKAWA, Megumi; SAKATA, Daijiro; HARADA, Takeshi; YAKUWA, Toshiro | Development of a Whole Plant from Excised Strawberry Runner Apex Frozen to -196℃ | - | Low temperature science. Ser. B, Biological sciences | - | 30-Mar-1979 |
| bulletin (article) | YAMASHITA, Hideo; ARAKI, Hajime; YAKUWA, Toshiro | PLANT REGENERATION FROM MESOPHYLL PROTOPLASTS OF BRUSSELS SPROUTS :(Brassica oleracea var. gemmifera Z. ） | - | Journal of the Faculty of Agriculture, Hokkaido University | 北海道大學農學部紀要 | Mar-1991 |
| bulletin (article) | MIZONOBE, Gaku; HARADA, Takashi; YAKUWA, Toshiro; MATSUDA, Yukihisa; NAGASHIMA, Minoru | STUDIES ON APPLICATION OF VESICULAR-ARBUSCULAR MYCORRHIZAL FUNGI TO ASPARAGUS CULTIVATION. : 1. Effects of vesicular-arbuscular mycorrhizal fungi inoculation on growth of asparagus(Asparagus officinalis L. )seedling | - | Journal of the Faculty of Agriculture, Hokkaido University | 北海道大學農學部紀要 | Jan-1991 |
| bulletin (article) | KANAZAWA, Toshinari; NISHI, Yutaka; KASAI, Noboru; HARADA, Takashi; YAKUWA, Toshiro | STUDIES ON BOTANICAL CHARACTERISTICS OF ALLIUM VICTORIALIS L. SSP. PLATYPHYLLUN HULT. : Ⅳ. Plantlet regeneration through bud-multiplying body formation from apical-meristem tissues cultured in vitro | - | Journal of the Faculty of Agriculture, Hokkaido University | 北海道大學農學部紀要 | Jan-1991 |
| bulletin (article) | MIZONOBE, Gaku; YAMAGUCHI, Koichi; MAEDA, Tomo-o; HARADA, Takashi; YAKUWA, Toshiro | STUDIES ON FLOWER BUD FORMATION OF ASPARAGUS OFFICINALIS L | - | Journal of the Faculty of Agriculture, Hokkaido University | 北海道大學農學部紀要 | Jan-1991 |
| bulletin (article) | MIZONOBE, Gaku; MAEDA, Tomo-o; YAMAGUCHI, Koichi; HARADA, Takashi; YAKUWA, Toshiro; IWAMURA, Hajime | STUDIES ON FLOWER INDUCTION BY S-TRIAZINE AND CARBAMATE IN SEEDLINGS OF ASPARAGUS OFFICINALIS L. : 1. Effects of day length, compound concentration, temperature, seedling age and cultivar on flower induction of seedlings | - | Journal of the Faculty of Agriculture, Hokkaido University | 北海道大學農學部紀要 | Jan-1991 |
| bulletin (article) | EZAWA, Tatsuhiro; HARADA, Takashi; YAKUWA, Toshiro | STUDIES ON FREEZE-PRESERVATION OF FRUIT TREE GERMPLASM : Ⅲ Freeze-preservation of grape shoot tips | - | Journal of the Faculty of Agriculture, Hokkaido University | 北海道大學農學部紀要 | Mar-1989 |
| bulletin (article) | INAGAKI, Noboru; HARADA, Takashi; YAKUWA, Toshiro | Studies on the Anther Culture of Horticultural Crops Ⅶ : Investigation of optimal conditions for obtaining pollen-originating callus and its characteristics in Asparagus officinalis L | - | Journal of the Faculty of Agriculture, Hokkaido University | 北海道大學農學部紀要 | Nov-1983 |
| bulletin (article) | INAGAKI, Noboru; HARADA, Takashi; YAKUWA, Toshiro | Studies on the Anther Culture of Horticultural Crops : Ⅳ. Effect of Growth Regulators on Organ Formation from Anther-derived Callus of Asparagus officinalis L | - | Journal of the Faculty of Agriculture, Hokkaido University | 北海道大學農學部紀要 | Sep-1981 |
| bulletin (article) | INAGAKI, Noboru; HARADA, Takashi; YAKUWA, Toshiro | Studies on the Anther Culture of Horticultural Crops : Ⅳ. Regeneration of Plantlets from shoots obtained through the anther culture of Asparagus officinalis L | - | Journal of the Faculty of Agriculture, Hokkaido University | 北海道大學農學部紀要 | Mar-1982 |
| bulletin (article) | ARAKI, Hajime; HARADA, Takashi; YAKUWA, Toshiro | Studies on the Botanical Characteristics of Genus Dioscorea : Ⅲ. Effect of Sucrose, Boric Acid and Temperature on Pollen Germination of Chinese Yam (Dioscorea opposita T. cv. Nagaimo) | - | Journal of the Faculty of Agriculture, Hokkaido University | 北海道大學農學部紀要 | Sep-1981 |
| bulletin (article) | YAKUWA, Toshiro; HARADA, Takashi; KASAI, Noboru; ARAKI, Hajime | Studies on the Botanical Characteristics of Genus Dioscorea : Ⅱ. On the Formation and Germination of the Seed in Chinese Yam (cv. Nagaimo) | - | Journal of the Faculty of Agriculture, Hokkaido University | 北海道大學農學部紀要 | Sep-1981 |
| bulletin (article) | YAKUWA, Toshiro; HARADA, Takashi | Studies on the Breeding of All-male Cultivar in Asparagus : Ⅲ Response to the in vitro culture in a supermale plant 'MM-1' | - | Journal of the Faculty of Agriculture, Hokkaido University | 北海道大學農學部紀要 | Mar-1984 |
| bulletin (article) | HARADA, Takashi; YAKUWA, Toshiro | Studies on the Morphogenesis of Asparagus : Ⅶ. Callus and oagan formation in the in vitro culture of cladophylls | - | Journal of the Faculty of Agriculture, Hokkaido University | 北海道大學農學部紀要 | Nov-1983 |
| bulletin (article) | HARADA, Takashi; YAKUWA, Toshiro | Studies on the Morphogenesis of Asparagus : Ⅵ. Effect of sugar on callus and organ formation in the in vitro culture of shoot segments of the seedlings | - | Journal of the Faculty of Agriculture, Hokkaido University | 北海道大學農學部紀要 | Nov-1983 |
| bulletin (article) | HARADA, Takashi; YAKUWA, Toshiro | Studies on the Morphogenesis of Asparagus : Ⅴ. Organ formation in the in vitro culture of segments with a node excised from the shoots of seedlings | - | Journal of the Faculty of Agriculture, Hokkaido University | 北海道大學農學部紀要 | Nov-1983 |
| bulletin (article) | YAKUWA, Toshiro; HARADA, Takashi; TSUJI, Hozue | Studies on the Morphogenesis of Asparagus : Ⅳ. The effect of transplanting on callus and organ formation of stem segment cultured in vitro | - | Journal of the Faculty of Agriculture, Hokkaido University | 北海道大學農學部紀要 | Nov-1982 |
