Michigan State University’s
Greenhouse Alert

Issue 8, March 27, 2003

Characterizing the diversity of domestic populations of Western flower thrips and their potential impact on floricultural crops

Daniel Warnock and Rebecca Loughner
University of Illinois, Department of Natural Resources and Environmental Sciences, Urbana, Illinois 61801

Table 1. Mean survival percentage of WFT populations after treating with 1 of 4 sprays. Within a column, means with same letter are similar at P £ 0.05.
Fig. 1a & 1b: Mean (± SEM) survival percent and leaf area damaged by WFT populations exposed to 2 impatiens cultivars for 48 h
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