Experts from the Science and Technology Department of Hubei Province recently confirmed that the new male sterile type female rapeseed found by the famous expert on genetics and breeding of rapeseed Fu Tingdong is expected to replace “Porima†and become a “new mother†of hybrid rapeseed. The experts said that this scientific and technological achievement has reached the international advanced level. Fu Tingdong, a professor at Huazhong Agricultural University and an academician of the Chinese Academy of Engineering, is a famous expert on genetics and breeding of rape in China. He first discovered the first type of cytoplasmic male sterility of “Porima†rape, which is of practical value, and conducted systematic research. By 1994, 9 of the 12 hybrid rapeseed hybrids that Fu Tingdong bred and registered in foreign countries were bred using "Porima" sterile materials. He firstly bred the self-incompatible line of Brassica napus and its hybrids in China and developed China's first approved three-line hybrid Huacao 2 of low erucic acid rape, which was later bred into low erucic acid and low glucosinolate. The three-line hybrid "Huaza No. 3", a rapeseed (usually called double-low rapeseed), has three comprehensive traits, and its quality, yield, and resistance have reached the international advanced level. Both have passed the provincial examination and approval. The oil extracted from canola is high in nutritional value. For more than three years, Fu Tingdong's cultivated double-low rapeseed has been promoted to an area of ​​more than 20 million mu with an added economic benefit of 1.2 billion yuan. The scientific and technological achievements of the research, breeding, and utilization of the rapeseed “Porima†male sterile line and its high-quality hybrids, led by him, won the first prize of the National Science and Technology Progress Award. According to Fu Tingdong, self-pollination of common rapeseed can be passed down, but breeding hybrid rapeseeds that can significantly increase yield is complicated: first, find a stamen degenerate parent rape (male infertility); With permanent preservation of the traits, it is also necessary to find a rape called “retainer†in common rapeseed, and then find another parent rapeseed (called “restoration lineâ€), which enables the production of female rapeseed. Self-pollination and seeding of normal canola. Currently, he is looking for a "mate" for a new type of female rapeseed, making it a "new mother" that can replace "Polima" hybrid rapeseed.
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