多倍体西瓜很少或没有种子,这对赢得消费者方面它比二倍体西瓜有很大的优势。四倍体西瓜每个果实中仅有约100粒种子,远低于2倍体西瓜,四倍体西瓜种子可通过隔离区自由授粉而获得,但由于产子量低而增加了种子成本。三倍体无籽西瓜种子是通过四倍体与二倍体杂交而制得,因此只有用四倍体作为亲本方能制得三倍体种子,所以三倍体比四倍体种子更昂贵。三倍体西瓜生产并不象人们所希望的那么广 Polyploid watermelon has little or no seeds, which gives it a great advantage over diploid watermelons in gaining consumers. The tetraploid watermelon has only about 100 seeds per fruit, well below the diploid watermelon, and the tetraploid watermelon seeds are freely pollinated through the isolation zone, but the seed cost is increased due to low yields. Triploid seedless watermelon seeds are made by crossing tetraploids with diploids, so triploid seeds are more expensive than tetraploid seeds, only when tetraploids are used as parents. Triploid watermelon production is not as broad as people want