Essays about: "aphid settling"

Found 2 essays containing the words aphid settling.

  1. 1. Responses of aphids to semiochemicals released from ladybirds

    University essay from SLU/Dept. of Ecology

    Author : Feng Youren; [2012]
    Keywords : Rhopalosiphum padi L.; Coccinella septempunctata L.; residues; volatiles; track; aphid settling; aphid olfactory response;

    Abstract : Predatory ladybirds, as natural enemies of aphids, can influence their prey in various ways, for example by consuming them or making the aphids drop off from their host plants. In this study, I have examined whether aphids can respond to the semiochemicals released from ladybirds. READ MORE

  3. 2. Plant chemical signalling affecting aphid-plant interactions

    University essay from SLU/Horticulture (until 121231)

    Author : Erika Qvarfordt; [2009]
    Keywords : plant-plant interactions; barley; aphids; root exudates; induced defence;

    Abstract : Aphid-plant interaction are complex processes where much still remains to be explored. This project tested the capacity of aphid-infested barley, Hordeum vulgare (L.), to induce defencelike responses in neighbouring plants via chemical signals, making them less acceptable to the bird cherry-oat aphid Rhopalosiphum padi (L.). READ MORE