一、问题的提出国内外许多植物育种家,对作物的基因型和环境之间的相互作用及其在新品种选育中的利用意义作了大量的研究。有的育种工作者,竭力排除环境的干扰,估算有价值的基因型的量值,并应用于实际育种工作; First, the issue raised Many domestic and foreign plant breeders, crop genotypes and the interaction between the environment and its use in breeding new varieties made a lot of research. Some breeders endeavor to exclude environmental interference, estimate the value of valuable genotypes and apply them to actual breeding work;