Rhizobium Proliferation-Supporting Substances in Seed Exudates of Common Bean (Phaseolus vulgaris L.) (Soil Biology)
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概要
- 論文の詳細を見る
Seed exudates collected from three cultivars (cv. Hokkaikintoki, Himetebou, and Kurodanekinugasa) of common bean (Phaseolus vulgaris L.) were fractionated based on several physicochemical properties, and the nutrient substances in the fractions effective for Rhizobium proliferation were determined. Regardless of the common bean cultivars, the low molecular weight and high polarity fraction showed the most beneficial effect on Rhizobium proliferation. After further separation of the low molecular weight and high polarity fraction, the promoting effect was detected in the non-ionic and the cationic plus amphoteric subtractions. Although the amount of sugars or amino acids exuded from a seed was, respectively, similar in all the cultivars except for the sugars in Kurodanekinugasa, the content of these compounds per seed-weight was inversely proportional to the seed size. Ten sugars and twenty-one amino acids were, respectively, identified in the non-ionic and cationic plus amphoteric subfractions, and there were some differences in the composition of these substances between common bean cultivars.
- 社団法人日本土壌肥料学会の論文
著者
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WATANABE Koichiro
Faculty of Eng.,Kyushu Univ.
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ARIMA Yasuhiro
Faculty of Agriculture, Tokyo University of Agriculture and Technology
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Arima Yasuhiro
Tokyo Univ. Agriculture And Technol. Tokyo Jpn
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Arima Yasuhiro
Faculty Of Agriculture Tokyo University Of Agriculture And Technology
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Watanabe Koichiro
Faculty Of Agriculture Tokyo University Of Agriculture And Technology:(present Address) Teikyo Unive
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Kato Kotaro
Inst. For Agro‐microbiology Shizuoka Jpn
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Kato Kotaro
United Graduate School Of Agricultural Science Tokyo University Of Agriculture And Technology:(prese
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Watanabe Koichiro
Faculty Of Agriculture Tokyo University Of Agriculture And Technology
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