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青菜为本市及长江流域地区主要蔬菜品种之一,可周年生产,全年供应。上海地区年种植面积20万亩次,其上市量占全市蔬菜总上市量的35％,是左右市场蔬菜供应的主要蔬菜种类。近年来,随着人民生活水平的提高,消费习惯的改变,对青菜的质量提出了更高的标准。本组于1990至1994年立题研究,采用高代自交系杂交育种与先进的抗病鉴定手段相结合的方法,育成了抗病性强,可以较快
Vegetables for the city and the Yangtze River basin region one of the main varieties of vegetables, annual production, supply throughout the year. The annual planting area in Shanghai is 200,000 mu. Its listing volume accounts for 35% of the total market volume of vegetables in the city. It is the main type of vegetables for the market supply of vegetables. In recent years, with the improvement of people’s living standards and changes in consumption habits, higher standards have been set for the quality of green vegetables. The group from 1990 to 1994 thematic research, using high generation inbred lines hybrid breeding and advanced disease resistance evaluation methods combine to develop a disease resistance, can be faster