Results Herbivore Prefferences Between Induced And Control Plants

Páginas: 2 (346 palabras) Publicado: 7 de febrero de 2013
Species


Plants:
Arabidopsis thaliana Brassica oleracea



Herbivores:
Generalist Specialist

Mamestra brassicae Plutella xylostella

• Ho: It is not expected any preferencesbetween species. • H1: It is expected that in control situation Plutella xylostella shows preference for Arabidopsis thaliana and in induction situation these insects would eat both species of plants. Inthe case of Mamestra brassicae, it is expected that this specie would prefer Brassica oleracea in control situation and they wouldn’t feel atractted to any of the induced species.

HERBIVORESSpecialist (Plutella xylostella)
Generalist (Mamestra brassicae)

CONTROL x

INDUCTION x
x -

Arabidopsis thaliana
Brassica oleracea Arabidopsis thaliana

Arabidopsis thaliana
Brassica oleraceaArabidopsis thaliana

x

Brassica oleracea

-

Brassica olaracea

SPECIALIST CONTROL

SPECIALIST INDUCTION

Plutella xylostella

GENERALIST CONTROL

A Arabidopsis thaliana B Brassicaoleracea

GENERALIST INDUCTION

Mamestra brassicae

CONTROL SITUATION Specialist Generalist

1 2 3 4 5

Arabidopsis thaliana -

Brassica oleracea
80 50 60 30 40 % % % % % damaged damageddamaged damaged damaged

INDUCTION SITUATION 1 2 Specialist 3 4 Generalist 5

Arabidopsis thaliana
75 % damaged 70 % damaged 10 % damaged 10% damaged

Brassica oleracea
90 % damaged 50 %damaged 10 % damaged 15 % damaged



Induced situation

P-value > 0.05

NO SIGNIFICANT



Control situation

P-value < 0.05

SIGNIFICANT



Induced situation



Controlsituation

P-valor > 0.05

NO SIGNIFICANT

 Error bars test

H

ypotheses

Ho: It is not expected any preferences between species. H1: It is expected that Mamestra brassicae would preferthe control specie in both cases.

Mamestra brassicae

AC :Arabidopsis thaliana in control situation AI : Arabidopsis thaliana in induced situation BC :Brassica oleracea in control situation BI :...
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