Essays about: "semiochemicals"

Showing result 1 - 5 of 8 essays containing the word semiochemicals.

  1. 1. Scent traps and trap crops for broad bean weevil (Bruchus rufimanus) control

    University essay from SLU/Dept. of Ecology

    Author : Ylva Johansson; [2022]
    Keywords : faba bean; Vicia faba minor; semiochemicals; kairomones;

    Abstract : Bönsmyg (Bruchus rufimanus) är en skadeinsekt vars larv orsakar skada i åkerböna (Vicia faba minor L), vilket reducerar bönornas kvalitet och kommersiella värde. Detta projekts syfte var att testa och utvärdera doftfällor i kombination med fångstgrödor som en biologisk kontroll mot bönsmyg. READ MORE

  3. 2. Fruktflugor ur Rhagoletis släktet som hot i odling i Sverige och möjliga bekämpningsmetoder

    University essay from SLU/Dept. of Plant Breeding (from 130101)

    Author : Christoffer Johansson; [2019]
    Keywords : Rhagoletis cerasi; Rhagoletis batava; Rhagoletis alternata; Rhagoletis pomonella; Rhagoletis mendax; körsbärsflugan; havtornsflugan; nyponflugan; bekämpning; bekämpningsmetoder;

    Abstract : Idag skeppas många varor fram och tillbaka över jorden och risken för att en skadegörare liftar med i en frukt eller växtmaterials jord ökar. I denna studie undersöks hotet av släktet Rhagoletis i Sverige och vilka flugor som finns, vilka som är på väg in och eventuella framtida hot. READ MORE

  4. 3. Inbreeding decreases upwind pheromone : mediated male flight and frequency in female calling behavior in a lab culture of the pyraloid moth Plodia interpunctella

    University essay from Högskolan Kristianstad/Fakulteten för naturvetenskap

    Author : Per Heydorn; [2018]
    Keywords : Plodia interpunctella; Indian meal moth; lab culture; degeneration; inbreeding;

    Abstract : Semiochemicals are chemicals used to communicate. Animals tend to use these e.g. to locate food sources or to find a suitable mate. READ MORE

  5. 4. Behavioural responses of mice to predator odour components

    University essay from Linköpings universitet/Biologi; Linköpings universitet/Tekniska fakulteten

    Author : Thorbjörn Sievert; [2015]
    Keywords : predator; odour; olfaction; mouse; prey; neophobia; kairomone; avoidance; behaviour;

    Abstract : Having means to detect and avoid potential predators is a necessity for prey species. Most mammalian prey species are able to detect odours emitted by predators and to adapt their behaviour accordingly. These odour cues are therefore considered to act as semiochemicals. Predator odours consist of several dozen different odourants. READ MORE

  6. 5. Trapping social wasps, in apple orchards and vineyards with synthetic volatiles and live yeast cultures in Scania, Scandinavia

    University essay from SLU/Dept. of Biosystems and Technology (from 130101)

    Author : Malin Iris Dörre; [2015]
    Keywords : Vespinae; social wasps; lure; semiochemicals; yeast; apple; grapes;

    Abstract : Social wasps (Hymenoptera, Vespinae) foraging for carbohydrate nutrients are a major pest, particularly in berry and fruit orchards. The identification of volatile attractants for social wasp management is accordingly an urgent research challenge. Overripe fruit and fermenting sweet baits are since long known to attract wasps. READ MORE