品种区域试验是否增设相应亲本观察鉴定圃?这是需要探讨的问题。笔者通过多年从事品种试验感到有必要就这个问题与同行们研究讨论。 1 参试品种及配套亲本提升为参加品种区域试验的玉米新组合,一般是育种者经过几年组配鉴定,被认为是最优异而有希望的新杂交种;其相应的亲本自交系都为经多代选择鉴定,双亲之间具有特殊配合力纯优而稳定的亲本材料。这样既有杂种优势强,综合性状好的新杂交种,又要有双亲产 Whether to add the corresponding parental observation appraisal nursery area trials is the question to be explored. I have been engaged in variety trials through years of experience felt it necessary to discuss with colleagues on this issue. A variety of test varieties and supporting parents promoted to participate in regional trials of new varieties of corn, the breeder is generally identified after several years, is considered to be the most excellent and promising new hybrids; the corresponding parental inbreds are After several generations of selection and identification, parents have special combining ability of pure and stable parent material. In this way, both new hybrids with strong heterosis, good comprehensive traits and parents with parents are also produced