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. Author manuscript; available in PMC: 2009 Apr 1.
Published in final edited form as: J Insect Physiol. 2008 Feb 7;54(4):708–718. doi: 10.1016/j.jinsphys.2008.01.011

Figure 3.

Figure 3

The effect of a combination of heat shock and rapid cold-hardening pre-treatments in four larval stages (instars I, II, III and wandering late 3rd instars - w) of four strains of Drosophila melanogaster. Acute exposures were at the previously-determined LT90 at −7 °C and chronic exposures were at the LT90 for −2 °C (see Tables 1 & 2 for further details). All bars represent mean survival (± s.d.) derived from 3−5 replicates each consisting of 10−20 larvae. Bars sharing common letters are not statistically different from each other.