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Laboratory evaluation of six formulations of spinosad in an effort to ...

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Figure 6. Evaluation <strong>of</strong> 2% carbaryl bait with <strong>an</strong>d without c<strong>an</strong>ola oil aga<strong>in</strong>st Cordillacris<br />

occipitalis <strong>in</strong> field cages – Edgemont, SD 2008.<br />

Me<strong>an</strong> % mortality<br />

40<br />

35<br />

30<br />

25<br />

20<br />

15<br />

10<br />

5<br />

0<br />

2% WB + c<strong>an</strong>ola 2% TB + c<strong>an</strong>ola 2% CR + c<strong>an</strong>ola 2% WB<br />

2% TB 2% CR Untreated<br />

1 2 3 4 5 6<br />

Days after treatment<br />

Table 1. Mortality <strong>of</strong> 5 th <strong>in</strong>star Cordillacris occipitalis exposed <strong>to</strong> selected carbaryl baits<br />

with <strong>an</strong>d without c<strong>an</strong>ola oil <strong>in</strong> field cages – Edgemont, SD 2008.<br />

Treatment 1<br />

Me<strong>an</strong> % mortality 2 – days after treatment<br />

1 2 3 4 5 6 7<br />

2% WB + c<strong>an</strong>ola 4a 6a 10a 16a 28a 28a 28a<br />

2% TB + c<strong>an</strong>ola 2a 2a 22a 26a 36a 36a 36a<br />

2% CR + c<strong>an</strong>ola 8a 10a 20a 30a 32a 32a 32a<br />

2% WB 0a 2a 16a 16a 18a 18a 18a<br />

2% TB 4a 4a 10a 10a 20a 20a 20a<br />

2% CR 8a 10a 20a 22a 22a 22a 22a<br />

Untreated 2aa 4a 6a 8a 16a 22a 22a<br />

1WB, TB, <strong>an</strong>d CR = wheat br<strong>an</strong>, food waste, <strong>an</strong>d apple pumice baits respectively.<br />

2Me<strong>an</strong>s <strong>in</strong> a column followed by the same letter are not signific<strong>an</strong>tly different (P ≤ 0.05).<br />

11<br />

7

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