水分胁迫对干旱半干旱区玉米关键生育期生长发育及产量的影响及评价
杨阳, 齐月, 赵鸿, 马绎皓, 朱丹

Effects and evaluations of water stress on growth development and yield of maize during critical growth periods in arid and semi-arid regions
YANG Yang, QI Yue, ZHAO Hong, MA Yihao, ZHU Dan
表3 半干旱区定西玉米不同生育期不同干旱胁迫的主成分因子综合得分
Tab.3 Principal component factor composite scores of maize under different drought stresses at different growth stages in semi-arid area Dingxi
生育期 干旱胁迫 Z1 Z2 Z3 综合得分F 排名
拔节期 T1 1.8254 0.2661 -0.8822 0.8813 5
T2 3.1545 1.7420 -0.4661 2.0116 6
抽雄期 T1 0.3733 -1.6576 0.3038 -0.1684 3
T2 -3.1838 -0.5724 -1.9833 -2.2128 1
灌浆期 T1 -2.7466 2.2000 1.5328 -0.6460 2
T2 0.5773 -197806 1.4950 0.0495 4