蕃茄种子繁殖系数比较高,一般一个果实可采种100～300粒(每250～300千克果实,可采收种子1千克)。一般早熟品种蕃茄开花后40～50天,中、晚熟的50～60天果实和种子即可成熟。为了确保种子纯度,采种果前,要在果实着色前进行田间株选和果选。方法是;选择生长健壮,第一穗果着生节位低,花序间隔叶片少,坐果率高,无病虫害,花 Tomato seed breeding coefficient is relatively high, generally one fruit can be planted 100 to 300 (every 250 to 300 kg of fruit, seeds can be harvested 1 kg). General early maturing varieties of tomatoes 40 to 50 days after flowering, medium and late maturing 50 to 60 days of fruit and seeds can be mature. In order to ensure the purity of the seeds, before harvesting the fruit, field selection and fruit selection should be conducted before fruit coloring. The method is: Select a robust growth, the first ear lower birth position, less inflorescence interval leaves, fruit setting rate, no pests, flowers