Essays about: "crop sequence"

Showing result 11 - 15 of 19 essays containing the words crop sequence.

  1. 11. Genotypic and phenotypic variation of Phytopthora infestans on potato in the two Swedish regions Bjäre and Östergötland in 2015

    University essay from SLU/Dept. of Forest Mycology and Plant Pathology

    Author : Ida Peterson; [2015]
    Keywords : potato late blight; mating type; simple sequence repeat markers SSR ; microsatellites; Multiplex PCR; sexual reproduction; asexual reproduction; aggressiveness; tests; population study;

    Abstract : Potato late blight, caused by the oomycete Phytophthora infestans, is a very im-portant disease on potato, and one of the most devastating plant diseases in agri-culture worldwide. Despite the small area of potato in comparison with other cul-tivated crops, 40 % of the total use of fungicides in Sweden is used on potato. READ MORE

  3. 12. A survey of cassava plants in the coastal region of Tanzania showing severe symptoms of cassava mosaic disease

    University essay from SLU/Dept. of Plant Biology and Forest Genetics (until 131231)

    Author : Maja Sidstedt; [2012]
    Keywords : cassava mosaic disease; cassava mosaic begomoviruses; Tanzania; rolling circle amplification; Restriction Fragment Length Polymorphism;

    Abstract : Cassava (Manihot esculenta Crantz) is a root crop that plays an important role in many households in Africa. It is sometimes called “Africa´s food insurance”. The advantages with the crop are that cassava is drought-resistant and it can grow in a semi-dry land. It is a perennial crop and does not require much labor. READ MORE

  4. 13. Fine mapping of resistance against root aphids in sugar beet

    University essay from SLU/Plant Breeding and Biotechnology (until 121231)

    Author : Emma Leijman; [2011]
    Keywords : Resistance; Sequencing; Mapping; Molecular marker; Single-nucleotide polymorphism; SNP; Genome sequence; Breeding; Root aphids; Pemphigus betae; Sugar beet;

    Abstract : Sugar beet, Beta vulgaris, is an important crop for the global sugar industry being one of the two major crops cultivated for sugar production. In the USA, the sugar beet root aphid, Pemphigus betae, is a regionally occurring pest which damages sugar beets by feeding on their secondary roots which results in reduced biomass and hence a lower yield. READ MORE

  5. 14. Gröngödslingens roll i odlingssystemet : en jämförelse mellan Mälarregionen och Östergötland

    University essay from SLU/Dept. of Crop Production Ecology

    Author : Sofie Karlsson ; [2011]
    Keywords : ekologiskt lantbruk; gröngödsling; ogräskontroll; ekologiska gödselmedel; System Cameleon; kvalitativ intervju;

    Abstract : Green manuring is a way of creating an organic fertilizer by growing a crop that is mowed down. Besides the fertilizing effect this method has been shown to have a positive influ-ence on soil organic matter as well as weed flora, and green manure is an important me-thod of weed control in organic farming in parts of Sweden. READ MORE

  6. 15. Informationsbehov vid ett unikt beslut : en studie av sockerbetsodlare i södra Skåne

    University essay from SLU/Dept. of Economics

    Author : Patrik Andersson; [2009]
    Keywords : unikt beslut; sockerbetor; intuition; beslutsfattande;

    Abstract : For many years, sugar beets have been the most profitable crop for farmers with suitable growing prerequisites. During year 2007 when the grain prices increased and the EU reform decreased the payment for sugarbeets, it was no longer obvious to grow sugar beets in the crop sequence. READ MORE