一、国内外概况 茄果类蔬菜主要指番茄、青椒和茄子三种作物。它们在菜蔬生产中占有重要地位,其商品消耗量越来越大。早在二十世纪初期,人们便开始了对番茄杂种优势的研究。自二十世纪四十年代杂种优势开始显露头角以来,蔬菜杂交种子的生产也受到了人们的重视。近年来,在发达国 First, the overview at home and abroad Solanaceous vegetables mainly refers to tomato, green pepper and eggplant three crops. They occupy an important position in the production of vegetables and their commodities consume more and more. As early as the early twentieth century, people began to study the tomato heterosis. The production of hybrid seeds from vegetables has also received a lot of attention since the hybrid advantage began to emerge in the 1940s. In recent years, in developed countries