Sökning: "Pest"

Visar resultat 1 - 5 av 197 uppsatser innehållade ordet Pest.

  1. 1. Partners in crime – How cabbage seed weevil assists brassica pod midge in damaging pods of winter oilseed rape in fields in Southern Sweden : how is insect abundance related to crop damage?

    Kandidat-uppsats, SLU/Department of Biosystems and Technology (from 130101)

    Författare :Sarah Heithausen; [2020]
    Nyckelord :monitoring; Ceutorhynchus obstrictus; Dasineura brassica; Brassica napus; Integrated Pest Management; economic threshold; pan trap; sticky trap;

    Sammanfattning : The brassica pod midge (Dasineura brassicae) has emerged as an important pest causing problems in Winter Oilseed Rape (WOSR) (Brassica napus ssp. napus) production in Southern Sweden during recent years. Adult female D. brassicae oviposit into WOSR pods. LÄS MER

  2. 2. Stridsyxekulturens uppkomst i Sverige

    Kandidat-uppsats,

    Författare :Annika Petersson; [2019-02-20]
    Nyckelord :Arkeologi; Snörkeramiskkultur; Stridsyxekultur; DNA; Isotopanalyser; Pest; Diet; Båtyxor; Snörkeramik; Hockerställning;

    Sammanfattning : The world is getting more and more technical, science has transformed everyday life as well as our workplaces, the same goes for archaeology. This paper is analysing how older theories are comparative to studies where DNA and isotope analysis now can give a clearer picture regarding where an individual was raised, how their diet was and what heritage they had. LÄS MER

  3. 3. Beekeepers and bee wax moth - what's the buzz about? : a study about the attitude towards beekeeping and wax moth in Kenya

    Kandidat-uppsats, SLU/Dept. of Ecology

    Författare :Ida Johansson; [2019]
    Nyckelord :pollination; wax moth; Kenya; bees; beekeeping;

    Sammanfattning : The bee wax moth (Galleria mellonella) is a troublesome pest of the honeybees that can cause substantial financial losses that can be devastating for the beekeepers. The moth is a universal pest but thrives in a warmer climate, the insect is nocturnal and feed on pollen, wax and other impurities. LÄS MER

  4. 4. Detecting bark beetle damage with Sentinel-2 multi-temporal data in Sweden

    Master-uppsats, Lunds universitet/Institutionen för naturgeografi och ekosystemvetenskap

    Författare :Shuo Yang; [2019]
    Nyckelord :Physical Geography and Ecosystem Analysis; Remote Sensing; Bark Beetle; Insect Detection; Sentinel-2; Forest Health; Maximum Likelihood; Random Forest; Spectral Signature; Vegetation Indices; Earth and Environmental Sciences;

    Sammanfattning : The European spruce bark beetle is considered as one of the most destructive forest insects to Norway spruce trees in Europe. Climate change may increase the frequency and intensity of bark beetle outbreaks. It is therefore of vital importance to detect the bark beetle outbreaks and take it under control to prevent further damages. LÄS MER

  5. 5. Exploring the viability of re-introducing Lablab purpureus (L.) Sweet as a multifunctional legume in northern Tanzania

    Master-uppsats, SLU/Department of Biosystems and Technology (from 130101)

    Författare :Christopher Forsythe; [2019]
    Nyckelord :Tanzania; agroecology; Lablab purpureus L. Sweet; insect pest; accession; multifunctional crop; viable crop; socio-ecological niche;

    Sammanfattning : Tanzanian people are currently facing food insecurity, poor nutrition and poverty. Agriculture is not meeting the demand since Tanzania is a net food importer. LÄS MER