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. 2016 Sep 15;6:33207. doi: 10.1038/srep33207

Table 1. Mean Bee Bread Hazard Quotients ± SE and Mean Number of Pesticide Residues ± SE by Operation and Crop Exposure.

Date Operation 1 Operation 2 Operation 3
Crop HQbbread Residues 50+ Crop HQbbread Residues 50+ Crop HQbbread Residues 50+
03/2007         Citrus 1102.7 ± 192.0 a 7.71 ± 0.18 cd 2.57 ± 0.20 a Citrus 2240.6 ± 393.6 a 10.6 ± 0.93 2.8 ± 0.37 ab
04/2007 Holding 70.8 ± 23.4 b 2.92 ± 0.43 c 0.5 ± 0.19 bcd                
05/2007 Post apples 1735.8 ± 304.5 a 6.83 ± 0.34 a 1.08 ± 0.08 a Blueberry 19.9 ± 5.2 c 6.57 ± 0.53 d 0 d Holding 88.2 ± 27.0 c 8.0 ± 1.05 0.6 ± 0.4 c
06/2007 Blueberry 147.9 ± 34.5 b 5.27 ± 0.27 b 0.91 ± 0.25 ab Cucumber 222.9 ± 53.8 bc 10.0 ± 0.53 bc 0.71 ± 0.18 cd Blueberry 336.8 ± 100.1 bc 10.5 ± 0.29 2.25 ± 0.48 b
07/2007 Honey 36.1 ± 14.2 b 4.82 ± 0.30 b 0.18 ± 0.18 d         Cranberry 938.0 ± 220.5 b 12.5 ± 0.87 3.5 ± 0.29 a
08/2007 Pumpkin 33.8 ± 11.4 b 3.60 ± 0.27 c 0.2 ± 0.13 cd Holding 455.4 ± 172.5 abc 11.1 ± 0.94 b 1.71 ± 0.42 b        
09/2007 Honey 70.7 ± 11.1 b 4.70 ± 0.21 b 0.3 ± 0.15 cd Cucumber 733.0 ± 516.4 ab 15.3 ± 1.43 a 1.71 ± 0.29 b        
10/2007                 Honey 76.5 ± 27.9 c 6.5 ± 0.87 0.25 ± 0.25 c
11/2007 Holding 103.8 ± 22.3 a 4.88 ± 0.44 b 0.75 ± 0.25 abc Holding 468.7 ± 173.4 abc 9.0 ± 1.07 bcd 2.0 ± 0.44 ab Honey 161.5 ± 2.5 bc 11.0 ± 1.00 1.5 ± 0.5 bc
01/2008         Holding 211.7 ± 102.2 bc 8.6 ± 1.29 bcd 1.29 ± 0.18 bc        

OP1 HQbbead: χ2 = 350.70, df = 6, n = 74, p < 0.0001, Residues: χ2 = 23.19, df = 6, n = 74, p = 0.0007.

OP2 HQbbread: χ2 = 21.99, df = 6, n = 49, p = 0.0012, Residues: χ2 = 32.97, df = 6, n = 49, p < 0.0001.

OP3 HQbbread: χ2 = 142.68, df = 5, n = 24, p < 0.0001, Residues: χ2 = 10.32, df = 5, n = 24, p = 0.0665.

Significant differences (α = 0.05) in HQbbread and number of residues detected within a single operation (column) indicated by different letters.