植物生长调节剂复配腐植酸对玉米茎秆强度、籽粒灌浆及产量的影响

颜培启, 孔令捷, 池昇隆, 于洋, 孔德庸, 孙海燕

Effects of Plant Growth Regulators Combined with Humic Acid on Stalk Strength, Grain Filling and Yield in Maize

Yan Peiqi, Kong Lingjie, Chi Shenglong, Yu Yang, Kong Deyong, Sun Haiyan

表3 植物生长调节剂复配HA对玉米茎秆强度影响的主体效应检验

Table 3 Main effect test of plant growth regulators combined with HA on stalk strength of maize

自变量 Independent variable	因变量 Dependent variable	平方和 SS	自由度 df	均方 MS	F	P	偏η² η_p² (%)
HAC	压折强度	744.916	4	186.229	50.943	0.001	69.4
PGR		125.495	1	125.495	34.329	0.001	27.6
HAC×PGR		196.968	4	49.242	13.470	0.001	37.4
HAC	穿刺强度	21 682.123	4	5420.531	119.971	0.001	84.2
PGR		241.117	1	241.117	5.337	0.023	5.6
HAC×PGR		4340.569	4	1085.142	24.017	0.001	51.6
误差Error	压折强度	329.007	90	3.656
	穿刺强度	4066.398	90	45.182
总计Total	压折强度	420 660.845	120
	穿刺强度	8 101 603.990	120