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Nitrogen deficiency-induced molybdenum accumulation in wheat

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Title: Nitrogen deficiency-induced molybdenum accumulation in wheat
Authors: Watanabe, Toshihiro Browse this author →KAKEN DB
Okada, Ryoskuke Browse this author
Tokunaga, Soyoka Browse this author
Maruyama, Hayato Browse this author →KAKEN DB
Urayama, Masaru Browse this author
Shinano, Takuro Browse this author →KAKEN DB
Keywords: molybdenum
nitrogen deficiency
Issue Date: 7-Jan-2022
Journal Title: Journal of Plant Nutrition
Volume: 45
Issue: 9
Start Page: 1413
End Page: 1424
Publisher DOI: 10.1080/01904167.2021.2020838
Abstract: In the present study, we conducted experiments using wheat to elucidate whether the increased accumulation of molybdenum in leaves under nitrogen deficiency is due to the plant’s own metabolic response, and further to estimate the role of molybdenum in the nitrogen deficiency response. Even under different growth conditions such as soil culture, hydroponic culture, and aseptic culture, the nitrogen deficiency always increased the molybdenum accumulation in leaves of wheat. Because molybdenum supply to the soil enhanced the growth of wheat under nitrogen deficiency but did not increase plant nitrogen concentration, the increased molybdenum uptake might be involved in the adaptive mechanisms to nitrogen deficiency by increasing nitrogen use efficiency. Wheat under nitrogen deficiency accumulated more molybdenum in lower leaves. Moreover, the nitrogen concentration of wheat grown under nitrogen deficiency increased in the lower leaves and decreased in the upper leaves with the application of molybdenum. These results suggest that molybdenum might affect nitrogen translocation from older to younger leaves.
Rights: This is an Accepted Manuscript of an article published by Taylor & Francis in Journal of Plant Nutrition on 07 Jan 2022, available online:
Type: article (author version)
Appears in Collections:農学院・農学研究院 (Graduate School of Agriculture / Faculty of Agriculture) > 雑誌発表論文等 (Peer-reviewed Journal Articles, etc)

Submitter: 渡部 敏裕

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