摘要
利用冀东地区推广的春麦和冬麦品种，人工去雄组配成不同的杂交组合。两年的试验研究表明，冬春麦杂种Ｆ１在秋播条件下，冬性表现为部分显性；春播时，春性为显性。在杂种Ｆ１中，穗粒重优势最大，千粒重次之，再次为穗粒数。穗长、小穗数优势不太明显。讨论了利用冬麦和春麦杂交种的可能性及制种模式。
DifferenthybridsweremadebyusingthevarietiesofspringandwinterwheatwhicharebeingspreadintheeasternareasofHebeiProvince.Theresultobtainedfromtwoyearsexperimentsshowedthatwinternessisthedominantcharacterintheautumnsowingconditionandspringnessisdominantunderspringsowingcondition.TherankofheterosisofF1characterareasfollows:grainweightperspike>1000-grainweight>No.ofspikeletsperspike>spikelength.ThepossibilityandseedproductionpatternofutilizingF1ofwinterwheatspringwheatineasternareasofHebeiProvincewerealsodiscussedinthisarticle.
