番茄杂种优势比较明显,优良杂交组合一般比亲本增产30%以上,因此国内外已广泛地应用于生产。近2～3年内杭州市郊杂种番茄面积已占番茄总面积70%以上,深受广大贫下中农欢迎。但由于杂利一代制种技术上存在一些问题,生产杂种一代种子还远不能满足生产发展的需要,有的单位由于杂种一代种子不足,常用二代(一般比一代减 The hybrid heterosis of tomato is more obvious, and the excellent hybrid combination generally yields more than 30% more than the parent, so it has been widely applied to the production at home and abroad. In the recent 2-3 years, the area of ​​hybrid tomato in the suburbs of Hangzhou accounted for more than 70% of the total area of ​​tomato and was welcomed by the majority of poor and middle peasants. However, due to some problems in the hybrid generation seed production technology, the generation of hybrid seeds is far from being able to meet the needs of production development. Some units often use the second generation because of the shortage of hybrid generation seeds