基于主成分-聚类分析的不同水分冬小麦晚霜冻害评价

王洋洋, 贺利, 任德超, 段剑钊, 胡新, 刘万代, 郭天财, 王永华, 冯伟

Evaluations of winter wheat late frost damage under different water based on principal component-cluster analysis

WANG Yang-Yang, HE Li, REN De-Chao, DUAN Jian-Zhao, HU Xin, LIU Wan-Dai, GU Tian-Cai, WANG Yong-Hua, FENG Wei

表1 冻害生理指标及叶绿素荧光参数方差分析

Table 1 Variance analysis of physiological and biochemical indexes and chlorophyll fluorescence parameters

处理 Treatment	含水量 Leaf water content (%)	叶绿素a Chl a (mg g^-1 )	脯氨酸 Proline (μg g^-1)	丙二醛MDA (μg g^-1)	光化学淬灭系数 q_p	PS II最大光学效率 F_v/F_m	PS II潜在活性 F_v/F_o	可溶性蛋白 Soluble protein (mg g^-1)	可溶性糖 Soluble sugar (mg g^-1)	超氧化物歧化酶 SOD (U g^-1)	F- value (0.05)	F- value (0.01)
2018-2019
灌水Irr	36.8^**	4.4^*	4.0^*	2.2	2.0	0.8	3.0	8.2^**	1.3	76.0^**	3.9	6.9
品种Cul	2.6^*	1.9	2.0	1.3	1.8	2.4	2.4	24.8^**	6.2^*	10.5^**	2.5	3.5
温度Tem	21.4^**	46.3^**	72.8^**	44.8^**	166.0^**	69.1^**	257.1^**	19.8^**	57.9^**	40.2^**	2.3	3.2
Irr × Cul	7.2^**	2.9^*	1.9	1.7	1.0	1.7	1.5	16.6^**	3.1^*	29.6^**	2.5	3.5
Irr × Tem	45.1^**	25.6^**	48.2^**	23.4^**	85.6^**	35.6^**	119.7^**	19.4^**	29.9^**	23.8^**	2.3	3.2
Cul × Tem	6.8^**	23.8^**	45.8^**	14.1^**	123.2^**	47.6^**	149.8^**	20.2^**	17.1^**	5.1^**	1.7	2.0
Irr × Cul × Tem	113.3^**	407.6^**	319.9^**	403.4^**	796.0^**	786.1^**	966.6^**	238.2^**	223.0^**	448.5^**	1.7	2.0
2019-2020
灌水Irr	6.2^*	17.8^**	6.9^**	3.2	8.5^**	2.3	0.1	2.2	23.1^**	15.3^**	3.9	6.9
品种Cul	6.1^*	0.9	1.0	0.4	1.6	0.3	0.7	3.1^*	19.5^**	11.3^**	2.5	3.5
温度Tem	118.8^**	106.7^**	158.8^**	235.6^**	188.8^**	435.1^**	550.3^**	11.4^**	39.5^**	35.1^**	2.3	3.2
Irr × Cul	5.4^*	3.2^*	1.5	0.7	2.0	0.5	0.4	11.5^*	5.3^*	8.1^*	2.5	3.5
Irr × Tem	106.8^**	126.2^**	168.6^**	232.5^**	196.4^**	469.6^**	248.9^**	16.61^**	56.7^**	36.9^**	2.3	3.2
Cul × Tem	42.3^**	30.8^**	49.9^**	63.6^**	54.7^**	103.1^**	189.6^**	19.0^**	12.9^**	19.0^**	1.7	2.0
Irr × Cul × Tem	333.2^**	408.8^**	519.1^**	535.0^**	209.5^**	306.8^**	402.0^**	206.4^**	54.5^**	287.5^**	1.7	2.0