Identification of Brassica genotypes and molecular markers for increased seed oil content

Abstract

Javed, N., Tahir, M., Geng, J., Li, G. and McVetty, P. B. E. 2014. Identification of Brassica genotypes and molecular markers for increased seed oil content. Can. J. Plant Sci. 94: 1103–1108. Carbon dioxide emissions by the transportation sector are major contributors to global climate change. Lower CO2 emissions by the transportation sector are linked to the use of renewable fuels including biodiesel. Canola has high seed oil content, adaptation to temperate climates and favorable fatty acid composition, which make it a preferred feedstock for biodiesel production. Doubled haploid (DH) line, random inbred (RI) line and consensus genetics maps for mapping populations derived from Polo × Topas were developed. The DH line-based genetic map was then used for the identification and tagging of quantitative trait loci (QTL) controlling seed oil biosynthesis. This genetic map consisted of 620 loci identified using several different types of molecular markers, and covered a map distance of 2241.1 cM with marker saturation of 3.7 cM. The phenotypic data on the mapping population for seed oil content and component fatty acids were collected from four-environment replicated field trials. One hundred and thirty-one QTL for various fatty acids in canola oil and 14 QTL for oil content were identified. These QTL, combined with marker-assisted selection, may assist breeders in their attempts to develop canola lines with improved oil quality, oil content and oil production per hectare for biodiesel production.

Physicochemical Characterization and Butanol Impact on Canola and Waste Cooking Oil Biodiesels: A Comparative Analysis with Binary Biodiesel Blends

“…Canola biodiesel is a first-generation biodiesel feedstock that has been widely studied for its potential in biodiesel production. Canola oil, derived from the seeds of the canola plant, is known for its high seed oil content, favorable fatty acid composition, and adaptation to temperate climates, making it a preferred feedstock for biodiesel production (Javed et al, 2014). Studies have shown that canola biodiesel has superior cold flow properties due to its high unsaturated and low saturated fat content, making it a favorable alternative to other biodiesel feedstocks (Haagenson and Wiesenborn, 2011).…”

Marker assisted selection of new high oleic and low linolenic winter oilseed rape (Brassica napus L.) inbred lines revealing good agricultural value

“…Moreover, in recent years, there has been an increasing interest in the use of plant oils with high oleic acid and low linolenic acid as a renewable raw material in the production of biofuels [18,19]. Renewable energy sources are of significance [20,21] and are gaining huge support for use in energy sectors [11] due to the need for lowering the emission of carbon dioxide which has increased mainly as a result of the use of fossil fuels as an energy source, particularly by the transportation sector. The increasing demand for biodiesel reinforces an increase in the production and acreage of rapeseed which benefits local farmers and also oil factories.…”