Browsing Doctoral theses (IPV) by Subject "VDP::Mathematics and natural science: 400::Zoology and botany: 480"
Now showing items 1-5 of 5
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Genetic engineering and light quality as tools to control shoot elongation in poinsettia (Euphorbia pulcherrimaWilld ex Klotzsch)
(PhD Thesis;2013:42, Doctoral thesis, 2013)Poinsettia (Euphorbia pulcherrima Willd ex Klotzsch) is a non-food and non-feed, vegetatively propagated ornamental plant which is among the economically most important ornamentals worldwide. Desirable plant height is one ... -
Genetics of Pooideae freezing tolerance : an evolutionary perspective
(PhD Thesis;2010:37, Doctoral thesis, 2010)Freezing tolerance is an important agricultural trait for forage and cereal grasses belonging to the Pooideae sub-family. Many plants, including the Pooideae grasses, go through a cold acclimation (CA) process when exposed ... -
Stomatal functioning and abscisic acid (ABA) regulation in plants developed in different air humidity regimes
(PhD Thesis;2013:29, Doctoral thesis, 2013)Greenhouse as a production system is important in the production of vegetables, herbs and ornamental plants. However, plant production in continuous high relative air humidity (RH) may results in poor plant quality, due ... -
Studies on the Collectrichum sublineolum (P. Henn)-Sorghum bicolor (L. Moench) pahosystems in Ethiopia
(PhD Thesis;2010:19, Doctoral thesis, 2010)This thesis covers the assessment of anthracnose incidence and severity in Ethiopia, characterisation of Colletotrichum sublineolum isolates from different sorghum regions of Ethiopia, studying the impact of four selected ... -
Vernalization and photoperiodic regulation of flowering time and population genetic stucture of Norwegian populations of Arabidopsis thaliana
(PhD Thesis;2009:44, Doctoral thesis, 2009)Natural environmental conditions vary across seasons and therefore timing of flowering is a major determinant of plant reproductive success and a trait with a potentially high adaptive value. Plants have developed mechanisms ...