Role of nitrogen and sulphur nutrition in determining quantity and quality of oil in canola seed

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Canola is the second most important crop in Australia, with exports worth $1 billion a year. However, competitiveness of Australian canola on the world markets is hampered by low and inconsistent oil content. Nitrogen fertilisation increases seed yield and seed protein content, but decreases oil content. This project will elucidate regulation by nitrogen and sulphur (the other important nutrient in canola growth) of protein and oil biosynthesis in developing canola grain. The knowledge generated in this project will allow optimisation of canola agronomy and more effective breeding for increased nitrogen- and sulphur-use efficiency, seed yields and oil content in canola, thus enhancing the competitiveness of Australian canola on the world markets.