Besides its use as an important edible oil and feed crop, rapeseed is also a promising bio-diesel crop. China has been the largest producer of rapeseed with an annual production of more than 10 million tons since 1999. Yangtze River Basin (YRB) is the major rapeseed-growing area in China, and is also the most potential development area of winter rapeseed production in the world. This area contains nearly 6 million hectares of winter rapeseed area, accounting for about 80% of the total areas in China and 20%...