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Effects on biological control of thrips<br />

Predator densities<br />

1.4<br />

1.2<br />

1.0<br />

0.8<br />

0.6<br />

0.4<br />

c<br />

a<br />

ab<br />

b<br />

thrips<br />

thrips + cattail pollen<br />

thrips + corn pollen<br />

thrips + Ephestia eggs<br />

0.2<br />

0.0<br />

0 1 2 3 4 5 6 7 8 9<br />

Time (weeks)<br />

Effects on biological control of thrips<br />

Thrips densities<br />

1.8<br />

1.6<br />

1.4<br />

1.2<br />

1.0<br />

0.8<br />

0.6<br />

untreated<br />

A. swirskii<br />

cattail pollen<br />

corn pollen<br />

Ephestia eggs<br />

ab<br />

a<br />

0.4<br />

0.2<br />

0.0<br />

bc<br />

abc<br />

c<br />

0 1 2 3 4 5 6 7 8 9<br />

Time (weeks)

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