苦荞新品种西荞1号的选育

Selection of a New Tartary Buck wheat Variety‘Xiqiao No .1’

采用60 Co γ射线和秋水仙碱与二甲基亚砜混合水溶液 ,对四川地区的苦荞品种额落乌且进行处理 ,选育获得苦荞新品种西荞 1号。西荞 1号具有结实率高、抗落粒性强、千粒重高、株粒数多等优点 ;此外 ,它还是一个早熟、适应能力强的品种。它的蛋白质含量为 1 2 .6 % ,含有多种维生素及矿质营养元素。多年的试验示范及推广应用表明 ,西荞 1号的产量在 2 0 0 0kg/hm2 以上 ,推广面积超过 4.2 5万hm2 。西荞 1号由于具有高产、优质及适应能力强等特点 ,1 997年和 2 0 0 0年 。

Thistreatiseelucidatestheprocessthroughwhichweobtainthenewtartarybuckwheatvariety‘XiqiaoNo .1’viase lectbreedinginwhich 60 Co γandmixedsolutionofcolchicinewithdimethylsulfoxideisappliedtothetreatmentofthetartary buckwheatvarietyEluowuqie,whichisgrowninSichuanprovince.‘XiqiaoNo.1’acquiressuchexcellenttraitsashighseeding rate ,strongresistancestoseeddropping,large1 0 0 0 grainweightandlargegrainnumberofaplant;moreover,itisyetanear ly maturingvarietywithstrongadaptability.Itcontainsaproteinproportionof1 2 .6 %andamultitudeofvitaminsandmineral ingredients.Yearsoftrialdemonstrationsandextensionsshowtheyieldof‘XiqiaoNo.1’averagesmorethan2 0 0 0kg/ha.and theextensionareaexceeds4 2 5 0 0ha.Becauseofthesesuperiortraits,‘XiqiaoNo .1’hasbeenexaminedandapprovedsucces sivelybyprovincialandnationalbreedingcommitteein 1 997and 2 0 0 0 .