优良的蔬菜品种和种子对于提高蔬菜产品的产量,改进品质,增强抗逆性以及调节周年供应等方面都起着十分重要的作用。如川沙县培育的洋杂一、二号早熟粉红番茄品种,提高了上海地区的番茄质量。“供给者”矮棋刀豆的引种推广,使上海郊区生产的刀豆果菜肉质细嫩,纤维少,不易老化,深受消费者的欢迎。多年以来,上海地区的广大科技人员和菜农不断地对主栽的青菜、甘蓝、花菜、番茄、茄子、辣椒、黄瓜、冬瓜和豇豆等十五个主要 Good vegetable varieties and seeds play a very important role in increasing the yield of vegetable products, improving quality, enhancing resistance and regulating annual supply. Such as Chuansha County breed one or two precocious pink tomato varieties, improve the quality of tomatoes in Shanghai. The introduction and promotion of low-supply cheongsam beans made the suburbs of Shanghai produce beans and vegetables fine and tender, with less fiber and less aging, which was well received by consumers. Over the years, the vast majority of science and technology personnel and farmers in Shanghai have been continuously educated on fifteen major crops such as vegetables, cabbage, cauliflower, tomato, eggplant, pepper, cucumber, melon and cowpea