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Differences in ionomic responses to nutrient deficiencies among plant species under field conditions

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Title: Differences in ionomic responses to nutrient deficiencies among plant species under field conditions
Authors: Watanabe, Toshihiro Browse this author →KAKEN DB
Okada, Ryosuke Browse this author
Urayama, Masaru Browse this author
Keywords: ionomics
Issue Date: 15-Jun-2022
Publisher: Taylor & Francis
Journal Title: Journal of Plant Nutrition
Volume: 45
Issue: 10
Start Page: 1493
End Page: 1503
Publisher DOI: 10.1080/01904167.2021.2020837
Abstract: The ionome is defined as the mineral element composition of an organism or tissue and is genetically and environmentally influenced. Although nutrient deficiency changes the plant ionome, the differences among different species have not been elucidated fully. In the present study, we examined the ionomic responses to nutrient deficiency in wheat (Triticum aestivum L.), maize (Zea mays L.), sunflower (Helianthus annuus L.), and soybean (Glycine max (L.) Merr.) to understand the differences in response to nutrient deficiency among different plant species. The plants were cultivated in fields with four fertilizer treatments: complete fertilization, without nitrogen, without phosphorus, and without potassium. Each plant species was sampled just before the flowering stage, and mineral concentrations of each organ were analyzed. The species-specific and nonspecific changes in accumulation by the treatment were observed in different elements. Under phosphorus deficiency, sunflower showed a different variation in the ionome profile than the other species, particularly in the increased accumulation of many metal elements. Increased accumulation of many elements was observed in all plant species under potassium deficiency. Under nitrogen deficiency, leaf molybdenum accumulation was increased in non-leguminous plants. An unknown role of molybdenum in the metabolic responses to the nitrogen deficiency was predicted. To carry out further research based on the results of such ionomics studies may reveal the unknown function of essential elements in metabolic responses in plants.
Rights: This is an Accepted Manuscript of an article published by Taylor & Francis in Journal of Plant Nutrition on 15 Jun 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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