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众所周知,在粮食作物如玉米、水稻的生产中杂交一代已普遍应用,蔬菜杂交一代利用的种类与面积也不断扩大。西瓜杂种一代在生产上的应用自五十年代以来,欧洲、日本应用的也很广泛,但目前国内除去无籽西瓜制种应用四倍体与二倍体西瓜的杂交一代以外,在有籽西瓜生产中很少应用杂交一代。这与我国西瓜生产长期不重视品种的保纯及复壮和生产者不掌握授粉保纯方法有关,同时也与我国西瓜育种工作者在新品种的培育中对现有品种的利用
It is well-known that the generation of hybrids has been commonly used in the production of food crops such as corn and rice, and that the types and areas of hybrid utilization by vegetables have also been expanded. The application of watermelon hybrid generation in the production Since the 1950s, Europe, Japan is also widely used, but the current domestic application of seedless watermelon seedless and tetraploid diploid watermelon hybrid generation, in the seed watermelon Production is rarely used in the generation of hybrids. This is with our long-term emphasis on watermelon varieties of pure and rejuvenation and the producer does not grasp the method of pollination and purity, but also with China’s watermelon breeding workers in the cultivation of new varieties of existing varieties of utilization