Essays about: "Fecundity"

Showing result 21 - 25 of 33 essays containing the word Fecundity.

  1. 21. The effect of non-host plant volatiles on the reproductive behaviour of the Egyptian cotton leafworm, Spodoptera littoralis

    University essay from SLU/Dept. of People and Society

    Author : Altaf Hussain; [2012]
    Keywords : Adhatoda vasica; electrophysiology; Justicia adhatoda; Lepidoptera; Noctuidae; non-host plants; reproductive behaviour; semiochemical diversity; socioeconomics; Spodoptera littoralis; spruce;

    Abstract : Spodoptera littoralis is a major pest of cotton in Egypt, causing serious economic losses. Egyptian farmers highly appreciate biological control of the pest as synthetic pesticides are very unsustainable. Phytophagous insects rely on plant volatiles to locate oviposition, feeding and, mating sites. We tested newly emerged S. READ MORE

  3. 22. Hur påverkar inavel fruktsamheten hos häst?

    University essay from SLU/Dept. of Animal Breeding and Genetics

    Author : Hanna Selinus; [2012]
    Keywords : häst; inavel; fertilitet; fruktsamhet; fölningsprocent;

    Abstract : Inbreeding has become a problem in some horse breeds. Studies show that it may lead to inbreeding depression which affects e.g. reproduction traits. READ MORE

  4. 23. The effects of gamma-radiation on lifespan and fecundity on genotypes with different inherent lifespan in Drosophila melanogaster

    University essay from

    Author : Marcus Nyberg; [2011]
    Keywords : ;

    Abstract : .... READ MORE

  5. 24. The impact of 17α-ethinylestradiol on roach (Rutilus rutilus) growth

    University essay from SLU/Dept. of Microbiology

    Author : Sara Sol Windahl; [2011]
    Keywords : ethinylestradiol; estrogen; R. rutilus; roach;

    Abstract : 17α-ethinylestradiol (EE2), found in pharmaceuticals is regularly consumed and secreted mainly from women. Consequently, a significant level of this endocrine disrupting chemical is cont inuously discharged into the aquatic environment. READ MORE

  6. 25. SIZE DEPENDENT FECUNDITY IN THE SIGNAL CRAYFISH AND ITS IMPORTANCE FOR A SUSTAINABLE FISHERY

    University essay from Lunds universitet/Miljövetenskaplig utbildning

    Author : Johan Martinsson; [2011]
    Keywords : Earth and Environmental Sciences;

    Abstract : The signal crayfish (Pacifastacus leniusculus) is of great economic and social value in Sweden. Therefore it is of great importance that knowledge and experience is obtained and applied when creating a sustainable fishing industry. READ MORE