Farci, Roberta (2011) Introduzione di colza (Brassica napus var. oleifera) e carinata (Brassica carinata) in sistemi colturali mediterranei. Doctoral Thesis.
Interest in the production of biomass by means of energy crops has increased over the last 40 years in Europe. In particular, the growing of rapeseed (Brassica napus var. oleifera D.C.) and Ethiopian mustard (Brassica carinata A. Braun) as oilseed crop for bioenergy production in Southern Europe has gained new concern, following the implementation of policies aimed at increasing the production of locally produced bio-fuels. Experiments presented in this thesis were undertaken to study adaption of rapeseed and Brassica carinata in the Mediterranean type environments in Sardinia. Firstly, to identify the effects of genotype on the phenology, growth, dry matter production, seed yield and yield components of rapeseed and Brassica carinata. Secondly, six genotype of Brassica spp. (four genotype of rapeseed and two of Brassica carinata) were used to study biomass production, contribution of the pre-anthesis assimilates to the seed yield, and their relationship to seed yield. Thirdly, to study dose-response curves development for the control of garland, lamb’s-quarter, common field poppy, sow-thistle and wild mustard in rapeseed for a range of metazachlor doses and to determine from the dose-response curves the dose of metazachlor required for greater than 90% control of these selected weed species that offers the best crop safety in rapeseed. According to our results, both rapeseed and Brassica carinata are adapted to the environments tested being able to produce acceptable seed yields. Higher rainfall during the post-anthesis phase resulted in improved yields as consequence of pods photosynthetic activity.
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