Search for dissertations about: "feeding of agricultural"

Showing result 1 - 5 of 92 swedish dissertations containing the words feeding of agricultural.

  2. 1. Multiple Aphid resistance from alien sources and its chromosomal location in bread wheat

    Author : Leonardo Crespo; Sveriges lantbruksuniversitet; Sveriges lantbruksuniversitet; []
    Keywords : LANTBRUKSVETENSKAPER; AGRICULTURAL SCIENCES; LANTBRUKSVETENSKAPER; AGRICULTURAL SCIENCES;

    Abstract : Wheat (Triticum aestivum) is a very important cereal crop and is cultivated worldwide on more than 200 million hectares annually, with an average grain yield of about 3 t/ha. A number of diseases and pests are known to affect wheat production, with aphids being important insect pests. READ MORE

  4. 2. Food webs in agroecosystems : implications for biological control of insect pests

    Author : Eve Roubinet; Sveriges lantbruksuniversitet; Sveriges lantbruksuniversitet; []
    Keywords : LANTBRUKSVETENSKAPER; AGRICULTURAL SCIENCES; LANTBRUKSVETENSKAPER; AGRICULTURAL SCIENCES;

    Abstract : The management of insect pests in modern agriculture is dominated by chemical control, despite wide recognition of its detrimental impact on the environment and human health. As a sustainable alternative, the service of biological control of insect pests is provided by a diversity of natural enemies, such as ground dwelling carabids and spiders. READ MORE

  5. 3. Sensory quality of pork : Influences of rearing system, feed, genotype, and sex

    Author : Anette Jonsäll; Uppsala universitet; []
    Keywords : LANTBRUKSVETENSKAPER; AGRICULTURAL SCIENCES; Domestic sciences; Sensory analysis; rearing system; genotype; sex; feed; pig; food quality; taste; muscle; Hushållsvetenskap; Domestic science and nutrition; Hushålls- och kostvetenskap;

    Abstract : Hampshire crosses of different genotype and sex were used to investigate the effects of rearing system, feed and handling on sensory quality, consumer preference and cooking loss. A selected and trained panel carried out descriptive tests. Two preference tests were carrieout by, in each case, 200 consumers. READ MORE

  6. 4. Impact of horse-keeping on phosphorus (P) concentrations in soil and water

    Author : Masud Parvage; Sveriges lantbruksuniversitet; Sveriges lantbruksuniversitet; []
    Keywords : LANTBRUKSVETENSKAPER; AGRICULTURAL SCIENCES; LANTBRUKSVETENSKAPER; AGRICULTURAL SCIENCES; NATURVETENSKAP; NATURAL SCIENCES; LANTBRUKSVETENSKAPER; AGRICULTURAL SCIENCES;

    Abstract : Agricultural sources contribute significantly to the high phosphorus (P) loads in water, causing eutrophication in many of Europe’s water bodies. Consequently, priority has been given to reducing P leakage from sources, including soils used for animal farming. READ MORE

  7. 5. Induced responses in willow determine feeding success of a gall-forming insect

    Author : Solveig Höglund; Sveriges lantbruksuniversitet; Sveriges lantbruksuniversitet; []
    Keywords : LANTBRUKSVETENSKAPER; AGRICULTURAL SCIENCES;

    Abstract : In the willow Salix viminalis L. (Salicaceae), growth and defence are key responses determining feeding success of the gall midge Dasineura marginemtorquens Bremi (Diptera: Cecidomyiidae). The interaction includes induced growth (gall formation), and induced defence (hypersensitive response, HR). READ MORE