华北地区冬小麦冬性程度的界定  

Studies on Winterness Degree in Huabei Areas

作　　者：秦君[1] 王海波[1] 董毓琨[1] 

机构地区：[1]河北省农林科学院农业物理生理生化研究所,河北石家庄050051

出　　处：《华北农学报》2002年第z1期44-49,共6页Acta Agriculturae Boreali-Sinica

摘　　要：我们对华北地区有代表性的 30多个品种进行了冬性程度的界定 ,提出并建立了界定小麦冬性程度及基本发育的新方法 ,结果表明 ,华北地区的冬小麦在人工春化处理下 ,冬性最强的只需 30d即可 ,品种类型达 6 0 %以上 ,如东方红 3号、丰抗 8号、京双 15号、晋麦 2 9等 ,个别品种不需春化也可抽穗 ;将这些品种在大田播种 (石家庄 ,1998) ,只要不晚于 2月 17日都能正常抽穗。Thirty representative varieties in the Huabei are made to boundary of the winterness degree,we bring out and build a new methed of bounding the winterness degree and the essential development features.It takes only about 30 days for the strongest winterness winter wheat varieties Huabei area to get the vernalization,under the control condition,and more than 60% variety types get to vernalization,such as Dongfanghong 3,Fengkang 8,Jinmai 29 etc.Some varieties can head without the vernalization stage;these varieties were planted in the field (Shijiazhuang,1998),they could head normally only when it was not later than Feb.17.

关 键 词：小麦 冬性程度 春化作用 

分 类 号：S512[农业科学—作物学]