晋麦57号选育研究

晋麦 57号的选育以抗耐旱为主要抗逆保证 ,高稳广适优质中早熟为育种目标 ,性状互补共增为原则组配亲本 ,以稳定穗数 ,提高粒重为模式调整产量结构 ,重视高光效的根茎叶穗理想株型和源流库生理协调的生长发育特性 ,保证综合抗性。采取及早产量测评 ,异地多点适应性鉴定以及在适当稀播的大田密度下选穗 ,全生育期系统观察等选择方法 ,使育成品种晋麦 57号表现高产稳产增幅大 ,抗旱抗青干能力强 ,品质优良 ,综合农艺性状好。

Breeding of Jinmai 57 for High Yield, Drought Resistance and Quality

Jinmai 57 is a new medium premature winter wheat variety.Its selection aim is drought resistance with other resistances to ensure stable higher yield,adaptivity and quality.Based on complemetary characters of parent combination,yield component patters are adjusted with definite stable spikes and grain weight improvement,and plant type are valued with high photosynthetic efficienty,and physiological harmony are valued with source,influx and sink,complex resistances are guaranteed.The breeding procedure includes yield evaluation in early generation,adaptive identity in different sites,spike selection in lower plant population in the field,sysmetic observation in the full growth stage.With the methods,Jinmai 57 was bred with stable and high yield,higher drought and xerothemic wind resistance,high quality and good complex agronomic characters.