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. 2020 Oct 22;11:535764. doi: 10.3389/fpls.2020.535764

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Copyright © 2020 Tabei, Shimura, Kwon, Itaka and Fukino.

This is an open-access article distributed under the terms of the Creative Commons Attribution License (CC BY). The use, distribution or reproduction in other forums is permitted, provided the original author(s) and the copyright owner(s) are credited and that the original publication in this journal is cited, in accordance with accepted academic practice. No use, distribution or reproduction is permitted which does not comply with these terms.

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Changes in the daily number of tweets. This figure shows the number of tweets in chronological order from May 15 to October 15. The bars represent the total tweet count including original tweets, reply tweets, and retweets. Prominence of peaks (a–f) were identified with Python (version 3.7.6) using the SciPy 1.4.1.