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The successful introduction of genetically modified super rapeseed varieties “Zhuyou No.1†and “Zhaoyou No.2†in Zhejiang Province has significantly advanced the rapeseed industry by providing high oil content germplasm resources. These new strains are expected to boost both yield and quality, offering a promising solution for the growing demand for vegetable oils.
“Zhuyou No.1†exhibits several favorable agronomic traits, including tall plant height, thick siliques, dense grain filling, and a high number of seeds per pod. It also shows excellent field performance with no shattering. According to the Ministry of Agriculture Oil Products Quality Supervision, Inspection and Testing Center, its oil content reaches an impressive 47.8%. This variety is derived from a double-low parent line, with low erucic acid (0.7%), high oleic acid (63.0%), and moderate linoleic acid (20.8%). It represents a major breakthrough in developing high-yield, high-quality, and high-oil rapeseed.
“Zhaoyou No.2†stands out for its tall growth, dark green foliage, numerous branches, and high seed production. Its oil content is even higher, reaching up to 52.7%, which significantly increases oil yield per hectare—from 795 kg to 1,110 kg. This makes it one of the highest oil-content Brassica napus varieties currently available worldwide.
These innovative varieties were developed using advanced genetic engineering techniques at the Crop Quality Improvement Genetic Engineering Laboratory of the Institute of Atomic Energy, Zhejiang Academy of Agricultural Sciences. The project took five years to complete, focusing on optimizing photosynthate distribution to regulate the protein-to-oil ratio in the seeds, resulting in superior quality and productivity.
During a recent on-site inspection and acceptance meeting in Zhejiang Province, experts praised the achievement, emphasizing its importance in enhancing rapeseed quality and improving the overall breeding standards of oil crops. Given the strong domestic and international interest in this technology, the company has already begun filing for both national and international patents to protect the innovation and ensure its global application.
October 02, 2025