Search for dissertations about: "zea mays"

Showing result 1 - 5 of 7 swedish dissertations containing the words zea mays.

  2. 1. Cytogenetics, genetic diversity and phylogenetics of wild Zea species, with emphasis on Zea nicaraguensis

    Author : Carlos Henry Loáisiga Caballero; Sveriges lantbruksuniversitet; Sveriges lantbruksuniversitet; []
    Keywords : LANTBRUKSVETENSKAPER; AGRICULTURAL SCIENCES;

    Abstract : Maize (Zea mays subsp. mays) is a member of the grass family Poaceae (Gramineae), together with many other important agricultural crops. The wild species commonly known as teosintes are the closest relatives of maize. READ MORE

  4. 2. Changes in endogenous cytokinin-like substances in seeds during dormancy release and early germination

    Author : Åsa Julin-Tegelman; Stockholms universitet; []
    Keywords : NATURVETENSKAP; NATURAL SCIENCES;

    Abstract : From studies using non-dormant seeds, Zea mays L. and Phaseotus vulgaris L. transient peaks of endogenous cytokinin-like substances were observed after only 4 h of imbibition. READ MORE

  5. 3. Gibberellin-like substances in seeds during maturation, germination and dormancy release

    Author : Linda von Schirach-Szmigiel; Stockholms universitet; []
    Keywords : NATURVETENSKAP; NATURAL SCIENCES;

    Abstract : This study concerns the induced seed germination with a special reference to the activity of gibberellin-like substances in Phaseolus vulgaris L., Zea mays L. and Rosa rugosa L. READ MORE

  6. 4. Agroforestry systems with trees for biomass production in western Kenya

    Author : Hans Sjögren; Sveriges lantbruksuniversitet; Sveriges lantbruksuniversitet; []
    Keywords : LANTBRUKSVETENSKAPER; AGRICULTURAL SCIENCES; LANTBRUKSVETENSKAPER; AGRICULTURAL SCIENCES;

    Abstract : Low agricultural production and a decline in fuelwood resources are serious constraints for subsistence smallholder farmers in western Kenya in the sub-Saharan African region. Furthermore, low soil fertility and general environmental degradation has contributed to the build-up of the parasitic weed Striga hermonthica. READ MORE

  7. 5. Performance of forage maize at high latitudes : plant development, agronomy and nutritive value

    Author : Zohaib Mussadiq; Sveriges lantbruksuniversitet; Sveriges lantbruksuniversitet; []
    Keywords : LANTBRUKSVETENSKAPER; AGRICULTURAL SCIENCES; LANTBRUKSVETENSKAPER; AGRICULTURAL SCIENCES;

    Abstract : Following the development of earlier maturing hybrids the cultivation of forage maize (Zea mays L.) in Northern Europe has markedly increased in recent decades. This has raised needs for greater knowledge regarding the performance of forage maize in marginal areas, such as Sweden, under current conditions. READ MORE