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. 2015 Apr 7;10(4):e0122933. doi: 10.1371/journal.pone.0122933

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This is an open-access article distributed under the terms of the Creative Commons Public Domain declaration, which stipulates that, once placed in the public domain, this work may be freely reproduced, distributed, transmitted, modified, built upon, or otherwise used by anyone for any lawful purpose.

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Fig 13 — This graph shows the maximum and minimum air temperatures in Maricopa, Arizona during the 2007-growing season. Temperatures over 38°C were common throughout the flowering and boll development period. The Bar line indicates the time period where the opened bolls were set.