我市秋菜种子(白菜、萝卜)的销量每年都不低于万斤左右,多则年份(包括外销)可超5万余斤。为了保证秋菜播种年年都能新种供应,价格低,质量好,不误农时,从1975年开始,我市在山东省寿光县马店乡开僻了秋菜种子繁殖基地。近20年来,随着时间的演变,秋菜种子繁殖基地虽然先后变换多处(如莱芜、泰安、昌邑等地),但总体看仍未脱离山东(北纬36°15′-36°48′,东经117°15′-119°25′),白菜种子成熟期历年均在6月18-23日,萝卜种子成熟期均在6 The sales volume of autumn vegetables in our city (cabbage, radish) is not less than 10,000 pounds every year, as many years (including export) can exceed 50,000 kilos. In order to ensure autumn seeding year new species supply, low prices, good quality, not wrong farming, from 1975 onwards, the city of Shouguang County, Shandong Province, Ma Dianxiang out of autumn seed vegetable breeding base. Over the past 20 years, with the passage of time, the autumn seed vegetable breeding base has changed several places successively (such as Laiwu, Taian, Changyi, etc.), but overall it has not yet departed from Shandong (36 ° 15’-36 ° 48’N, Longitude 117 ° 15’-119 ° 25 ’). The maturity stages of Chinese cabbage were all on June 18-23, and the maturity of radish seeds was 6