Sex distinction of asparagus by loop-mediated isothermal amplification and observation of seedling phenotypes von Shiobara, Yukie, Yoshino, Mioko, Uragami, Atsuko, Widiastuti, Ani, Omori, Akifumi, Kuba, Keiko, Saito, Harufumi, Hirata, Yukimasa, Sonoda, Takahiro, Koizumi, Takeharu, Sato, Tatsuo

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Effects of Cultivar and Cropping Type on Growth and Yield of Spears and Sprouting from Greening Udo (Aralia cordata Thunb.) Harvested Rootstock von Koizumi, Takeharu

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Differences between Male and Female Plants in the Growth, Development and Quality on Hybrid Plants of Japanese Butterbur (Petasites japonicus Fr. Schmidt) von Koizumi, Takeharu

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Relationship between Internal Black Spot of Cabbage and Cell Death von Iizuka, Masahide, Seyama, Shohei, Suzuki, Osamu, Koizumi, Takeharu

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Breeding 'MY-20', Hybrid Cultivar of Japanese Butterbur (Petasites japonicus Fr. Schmidt) von Koizumi, Takeharu, Ikeda, Hiroshi

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緑化ウド収穫後の根株を利用したウドの芽栽培における品種および作型が生育・収量に及ぼす影響 von 小泉, 丈晴

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Production of Hybrid Plants by Crossings between Triploid and Diploid Japanese Butterbur Cultivars and Their Characteristics von Koizumi, Takeharu, Kudo, Nobuhiro, Tateishi, Akira, Nomura, Kazunari, Inoue, Hiroaki

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Production of spikes and petioles in forcing culture of Japanese butterbur (Petasites japonicus Fr. Schmidt) using one-year-old rootstocks von Koizumi, T.(Gunma-ken. Agricultural Technology Center, Numata (Japan). Research Center for Mountainous Area Horticulture)

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Chemical Control of Brown Leaf Spot on Eggplant von SAKAI, Hiroshi, TAKAHASHI, Akio, KOIZUMI, Takeharu, URUSHIBARA, Toshihiko, SHIRAISHI, Toshimasa

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キャベツ内部黒変症状と細胞死の関係 von 飯塚, 正英, 瀬山, 祥平, 鈴木, 修, 小泉, 丈晴

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Black Rot Resistance of Cabbage Varieties and the Relationship between Disease Occurrence and Infection Stage on Cabbage von KOIZUMI, Takeharu, MIYAHARA, Katsusuke

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フキの1年生株を用いた伏せ込み促成栽培による花穂および葉柄の生産 von 小泉, 丈晴

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Survey of diploid in butterbur (Petasites japonicus Maxim.) and production of hybrid plants for harvesting spikes by crossing von Koizumi, T. (Gunma-ken. Agricultural Technology Center, Isesaki (Japan)), Ikeda, H, Kudo, N

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Difference between male and female plant in growth of one-year-old asparagus [Asparagus officinalis], yield and quality in forcing culture von Koizumi, T. (Gunma-ken. Agricultural Research Center, Maebashi (Japan)), Kemmochi, I, Machida, Y

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フキ交雑系統の生育・品質における雌雄間差 von 小泉, 丈晴

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Reproduction of resting spores in cabbage roots infested by clubroot disease von AMANO, Tetsuro, KOIZUMI, Takeharu, OGAWA, Kei, TORIGOE, Yoichi

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Production of hybrid plants by crossings between triploid and diploid Japanese butterbur [Petasites japonicus] cultivars and their characteristics von Koizumi, T.(Gunma-ken. Agricultural Technology Center, Numata (Japan). Research Center for Mountainous Area Horticulture), Kudo, N, Tateishi, A, Nomura, K, Inoue, H

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Breeding "MY-20", hybrid cultivar of Japanese butterbur (Petasite japonicus Fr.Schmidt) von Koizumi, T.(Gunma-ken. Research Center for Mountainous Area Horticulture, Numata (Japan)), Ikeda, H

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"Effects of cultivar, extent of cumulative chilling exposure, age of rootstock and sex on growth of spear in asparagus [Asparagus officinalis] forcing culture." von "Koizumi, T. (Gunma-ken. Horticultural Experiment Station, Azuma (Japan)), Yamazaki, H, Yamato, Y, Hamano, M, Takahashi, K, Miura, H.

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フキ交雑種‘MY-20’の育成経過と特性 von 小泉, 丈晴, 池田, 洋

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