Essays about: "repellents"

Showing result 1 - 5 of 9 essays containing the word repellents.

  1. 1. Effects of plant-fungal interactions on volatile emission of Hordeum vulgare and aphid preference

    University essay from SLU/Dept. of Ecology

    Author : Bina Johansson; [2022]
    Keywords : volatile organic compounds; chemical communication; Trichoderma atroviride; Fusarium graminearum; Rhopalosiphum padi; biological control;

    Abstract : Barley is one of the most economically important cultivated crops in the world. However, barley is a host for many insect pests and plant pathogenic fungi which is a threat to the production. Rhopalosiphum padi is an economically important insect pest that leads to large economical losses in agricultural crops such as barley. READ MORE

  3. 2. Chemotaxis in E.coli Bacteria

    University essay from KTH/Matematik (Avd.)

    Author : Fredrik Stenkvist; [2021]
    Keywords : ;

    Abstract : Bacterial chemotaxis refers to bacteria's way of moving towards more hospitable environment. The bacteria does this by taking point-wise measurements of the amount of chemical attractants/repellents in its surroundings and comparing them, using the bacteria's built in "memory" the methylation level, to determine if the current direction is good or not. READ MORE

  4. 3. Assessment of the impact of the Black Coffee Twig Borer, Xylosandrus compactus infestation in Ugandan small-scale coffee gardens, and the potential of its suppression through repellence in conjunction with push-pull technology

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

    Author : Advaith Chakravarthy Shankarkumar; [2021]
    Keywords : coffee; smallholder farmers; livelihoods; BCTB; SplatVerb; repellents; attractants; push-pull; sustainable alternatives; perceptions; stakeholders;

    Abstract : Coffee production in Uganda is an important means of income for smallholder farmers and extensively supports rural livelihoods. It contributes to about 20- 30% of the annual export revenue of the country. Yet, coffee production is challenged by many factors. READ MORE

  5. 4. Förekomst av bovin babesios i Sverige : en enkätstudie bland lantbrukare och veterinärer

    University essay from SLU/Dept. of Biomedical Sciences and Veterinary Public Health

    Author : Sara Lennartsson; [2021]
    Keywords : Babesia divergens; cattle; imidocarb; Ixodes ricinus; Sweden; questionnaire study;

    Abstract : De huvudsakliga blodparasiterna som våra domesticerade djur drabbas av är protozoer, ett av dess stora släkten är Babesia spp. Parasiten överförs från olika fästingar, via saliv, till ryggradsdjur och ger upphov till sjukdomen babesios. READ MORE

  6. 5. Development of waterborne and mild curing DWRs, formulated with fully bio-based substances

    University essay from KTH/Fiber- och polymerteknologi

    Author : Johannes R. S. van Overmeeren; [2020]
    Keywords : Durable water repellents; Bio-based; Biodegradable; Two-phase systems; Fluorine-free; Functional textile finishes; Vattenavvisning; Bio-baserad; Biologiskt nedbrytbar; Fluorkarbonfri; Funktionella textilbehandlingar;

    Abstract : ”Durable water repellents (DWR) är textilimpregneringar som bidrar med vattenavvisande egenskaper som håller länge på funktionella tyg. Tyvärr är dessa hydrofobiska ytbehandlingar vanligtvis en källa till skadliga och persistenta kemikalier och de även är producerade från fossilbaserade resurser. READ MORE