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. 2013 Jul 24;8(7):e69819. doi: 10.1371/journal.pone.0069819

Figure 5. B. impatiens visits to pumpkin flowers increases in warmer years.

Figure 5

Average accumulated growing degree days (AGGD), base 10°C from seven weather stations, starting January 1 through May 1, June 1, July 1 and August 1 for 2008 and 2009 (A), and 2011 and 2012 (B). Significant paired t-test results are indicated with an asterisk (*) above the column (P<0.05). In all significant pair-wise comparisons, 2008 and 2012, where B. impatiens visits to pumpkin flowers were greatest, were warmer than 2009 and 2011 respectively.