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. 2020 Feb 19;8(1):3. doi: 10.3390/proteomes8010003

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© 2020 by the authors.

Licensee MDPI, Basel, Switzerland. This article is an open access article distributed under the terms and conditions of the Creative Commons Attribution (CC BY) license (http://creativecommons.org/licenses/by/4.0/).

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Phenotypic changes of switchgrass under different levels of drought treatment. (A) Plants under normal watering condition (4 L of water every 3-days) before drought treatment. (B) The drought-treated plants with gradual drying process and control plants with normal watering at the 29th day, respectively. (C) The drought-treated plants with 1-day re-watering after 29 days gradual drying process and control plants with continuous normal watering, respectively. (D) The drought-treated plants with 3-day re-watering after 29 days gradual drying process and the control plants were watered regularly.