Essays about: "Cauliflower"

Showing result 6 - 8 of 8 essays containing the word Cauliflower.

  1. 6. Response to olfactory stimuli in gregarious Pieris brassicae caterpillars

    University essay from SLU/Dept. of Ecology

    Author : Louise Malmgren; [2011]
    Keywords : olfaction; olfactometer; caterpillar; host search; Pieris brassicae; Lepidoptera; Brassica oleracea; cauliflower; broccoli; cabbage; stimuli;

    Abstract : Insects search primarily to find food, egg-laying sites, resting sites or conspecifics. Understanding the search behaviour of insects at the point when they are not in contact with the host is relevant to for instance the control of pest species. READ MORE

  3. 7. Flower attractiveness and nectar accessibility for Delia radicum (Diptera:Anthomyiidae) with implications for the control by Trybliographa rapae (Hymenoptera:Figitidae)

    University essay from SLU/Dept. of Plant Protection Biology

    Author : Linda-Marie Rännbäck; [2008]
    Keywords : conservation biological control; flower attractiveness; nectar accessibility; Delia radicum; Trybliographa rapae; Hymenoptera; parasitoid wasps; flower strips; selective biodiversity; floral food sources; Lobularia maritima; Anethum graveolens; Fagopyrum esculentum; olfactometer; volatile collection; GC-MS;

    Abstract : Conservation biological control aims at preserving populations of natural enemies in and around crop fields. Resources of floral nectar are important to natural enemies to increase the longevity, fecundity and motivation to seek host insects. READ MORE

  4. 8. Responses of the swede midge, Contarinia nasturtii, to volatile compounds from Arabidopsis thaliana and Brassica oleracea var. botrytis

    University essay from SLU/Dept. of Plant Protection Biology

    Author : Johannes Albertsson; [2008]
    Keywords : swede midge; Contarinia nasturtii; Brassicaceae; cauliflower; Arabidopsis thaliana; volatiles; olfactometer;

    Abstract : The swede midge, Contarinia nasturtii, is a serious gall-forming insect pest of most cultivated Brassicaceae such as cauliflower and cabbage. Arabidopsis thaliana, also a Brassicaceae, is a well-known model plant for which the genome is sequenced and several well-characterized mutants and transgenic genotypes are available. READ MORE