咸阳 8 4加 79以穗大粒多著称 ,但存在着病害重、抗逆性能差、熟期短、籽粒饱满度差等弱点。 (1)用贵农 19、2 1- 1、2 2等抗源新材料的混合花粉授粉 ,以提高抗病性 ;(2 )选择已育成的中间材料作母本 ,用咸阳 84加 79授粉 ,以提高适应性 ;(3)用硬粒小麦授粉 ,进行种间杂交 ,以获得超亲类型 ;(4 )探讨了重穗型小麦的栽培模式 Xianyang 8 4 plus 79 ear large grains known, but there are heavy disease, poor resistance to performance, short maturity, poor grain filling and other weaknesses. (1) pollination with mixed pollen of Guinong 19,2,1,2,2 and other new source-resistant materials to improve disease resistance; (2) selecting the bred intermediate material as female parent and pollination with Xianyang 84 plus 79 , To improve the adaptability; (3) Triticale wheat pollination, interspecific hybridization in order to obtain the type of super-progeny; (4) to discuss the cultivation mode of heavy-panicle type wheat