中麦895高产稳产优质特性遗传解析

张勇,阎俊,肖永贵,郝元峰,张艳,徐开杰,曹双河,田宇兵,李思敏,闫俊良,张赵星,陈新民,王德森,夏先春,何中虎

Characterization of Wheat Cultivar Zhongmai 895 with High Yield Potential, Broad Adaptability, and Good Quality

ZHANG Yong,YAN Jun,XIAO YongGui,HAO YuanFeng,ZHANG Yan,XU KaiJie,CAO ShuangHe,TIAN YuBing,LI SiMin,YAN JunLiang,ZHANG ZhaoXing,CHEN XinMin,WANG DeSen,XIA XianChun,HE ZhongHu

表6 不同氮肥梯度对中麦895和百农AK58产量及氮肥利用效率相关性状的影响

Table 6 Effect of N fertilizer levels on yield and nitrogen use efficiency related traits of Zhongmai 895 and Bainong AK58

氮肥处理 Nitrogen 平米穗数 SN (spikes/m2) 穗粒数 KNS 千粒重 TKW (g) 产量 Yield (kg·hm-2) 氮肥农学效率 NAE (kg·kg-1) 氮肥吸收效率 NUE (%) 氮肥利用效率 NUtE (kg·kg-1) T1 558a/512a 29.9a/33.9a 45.3b/43.7b 6220c/6008b 0/0 0/0 0/0 T2 574a/522a 28.8ab/31.3ab 53.1a/48.4a 6536b/6062b 5.4/4.9 0.24/0.21 27.2/24.4 T3 552a/482b 27.4bc/30.3bc 54.1a/49.6a 6918a/6186ab 3.8/3.2 0.17/0.15 19.2/16.6 T4 496b/471b 26.0c/26.0c 51.3a/49.4a 6634b/6370a 2.8/2.6 0.14/0.12 13.8/13.2