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作物学报 ›› 1983, Vol. 9 ›› Issue (03): 189-194.

• 研究论文 • 上一篇    下一篇

北方冬小麦高产育种中产量因子设计目标的研究

李丕珩   

  1. 山东省莱阳县农业局
  • 收稿日期:1900-01-01 修回日期:1900-01-01 出版日期:1983-09-12 网络出版日期:1983-09-12

RESEARCH ON THE OBJECTIVE FOR DESIGN OF YIELD FACTORS IN BREEDING OF HIGH-YIELDING WHEAT

Li Peiheng   

  1. Laiyang Agricultural Bureau; Shangdong Province
  • Received:1900-01-01 Revised:1900-01-01 Published:1983-09-12 Published online:1983-09-12

摘要: 本文自1978~1981年阐述了71个冬小麦品种的产量结构。证明小麦高产育种应在保证足够穗数的前提下注重提高穗重。要提高穗重,应在以增加粒数为主的前提下,粒数和粒重并重,不宜过分强调大粒。要使粒数多,应注重多花多实性的选择。黄淮平原冬麦区和北部冬麦区要选育亩产1200斤以上的品种,每亩穗数以43.2±5.9~48.8±6.1万,穗重

Abstract: In this paper we report the studies on the yield structure of 71 win-ter wheat varieties during 1978—1981.It proved that the prerequisite forhigh-yieiding,wheat should be ensured enough number of spikes pel mu,then put stress on increasing the weight of per spike.For this reason,both the number of

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