Avancerad sökning

Hittade 2 uppsatser som matchar ovanstående sökkriterier.

  1. 1. Monitoring and pest control of Fruit flies in Thailand : new knowledge for integrated pest management

    Magister-uppsats, SLU/Dept. of Ecology

    Författare :Victor Manuel Guamán Sarango; [2009]
    Nyckelord :Fruit flies; Bactrocera dorsalis ; management; insecticide resistance; Bactrocera cucurbitae ; diurnal activity; fly traps; Interviews; Thailand; Farmers; Cue-lure; Methyl eugenol; IPM; Fipronil; Abamectin; Trapping; Attractant ; Steiner trap; Cucurbit; Chili; Diurnal activity; Sanitary measures;

    Sammanfattning : Fruit flies (Tephritidae) are serious pests that cause enormous losses for farmers in many countries. The frequent use of insecticides in controlling fruit flies in fruits and vegetable has not resulted in sustainable management of the pest. LÄS MER

  2. 2. Frost hardiness of some New Zealand shrubs

    L3-uppsats, SLU/Horticulture

    Författare :Sture Bengtsson; [2007]
    Nyckelord :frost; frost hardiness; frost resistance; freezing tolerance; freezing resistance; winter hardiness; cold hardiness; freeze test; frost injury; frost injury assessment; cold acclimation; new zealand shrubs; new zealand flora; plant stress physiology; electrolyte leakage; index of injury; LT50; visual injury assessment; olearia; coprosma; podocarpus; buxus; taxus;

    Sammanfattning : Frost resistances, LT50, were decided for stems and leaves of several New Zealand woody plants belonging to Olearia (Asteraceae), Coprosma (Rubiaceae) and Podocarpus (Podocarpaceae). That was part of the aims, which included trying to find species potentially winter hardy in southern coastal Sweden and study methods for frost hardiness assessment. LÄS MER