In article <784849185snz at arout.demon.co.uk>, COMINT at arout.demon.co.uk
(AROUTIOUN AGADJANIAN) wrote:
> identical offsprings of nonfertilized female were divided equally in
> experimental and control groups, 40 individuals in each. All
> development stages up to pupal stage passed with no interference.
> Before pupating within 4 days one caterpillar was killed by needle
> daily in experimental group and one was removed from control alive.
> Emerging butterflies were prepared and the number of laid eggs was
> counted. The number of eggs in experimental group equalled 10-35% more
> than in control.
> Experiments results with statistical accuracy equal to probability of
> casual results below 0.001 showed that although
> other conditions were maintained equal, compared with the control the
> number of pregnant females in experimental group was 2.9 time more, the
> number of offsprings - 3.45 time and the number of offsprings against
> one killed individual - 10 time.
>> Conclusion: Investigated phenomenon can be successfully applied in the
> economy, in pest control and in husbandry in particular.
>Very interesting indeed. However, I'd like to know how the treatments
(killing or not) were designated to the replicates, and what constituted a
Dept. of Systematic Botany
Carl Skottsbergs Gata 22
S-413 19 Goeteborg
bengt.oxelman at systbot.gu.se