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连葱7号是连云港市蔬菜研究所从两个黄皮洋葱杂交后代的优良株系中经过多代系统选育而成的黄皮洋葱新品种。1995年春用连引洋葱1号作母本、
Lian Onong No.7 is a new yellow onions variety selected from the excellent lines of two yellow onion hybrids after multiple generations of breeding by Lianyungang Vegetable Research Institute. In the spring of 1995 with the onion No. 1 as the mother,