高粱种质材料光合特性和水分利用效率鉴定及聚类分析
张一中,周福平,张晓娟,邵强,杨彬,柳青山

Identification and Cluster Analysis of Photosynthetic Characters and WUE in Sorghum Germplasm
Yizhong Zhang,Fuping Zhou,Xiaojuan Zhang,Qiang Shao,Bin Yang,Qingshan Liu
表6 高粱种质材料Pn和WUE的聚类分析和判别结果
Table 6 Cluster analysis and discriminant results of sorghum germplasm materials Pn and WUE
类群
Cluster
材料代号
Code of germplasm
个数
Number
频率(%)
Frequency
判别模型
Discrimination mode
类平均Mean of cluster
Pn
[μmolCO2/(m2·s)]
WUE
(μmolCO2/mmolH2O)
A1 43,50,51,55,60,70,81,86,89,90,91,101 12 11.88 Y=5.13Pn+27.43WUE-178.00 44.48±3.18a 4.65±0.23d
A2 2,23,25,32,40,72,95 7 6.93 Y=4.93Pn+32.82WUE-196.69 42.64±1.94a 5.58±0.28c
B1 1,21,28,31,35,44,49,54,56,59,62,64,67,68,83,87,96,99 18 17.82 Y=4.22Pn+27.89WUE-143.35 36.55±2.14b 4.74±0.41d
B2
4,16,19,22,26,30,33,38,41,42,46,47,48,61,63,65,71,73,74,
76,82,88,94
23
22.77
Y=3.50Pn+29.43WUE-126.66
30.20±2.47c
5.02±0.43d
C 3,5,11,20,27,36,37,39,52,53,69,77,78,79,85,97,98,100 18 17.82 Y=2.77Pn+23.03WUE-78.25 23.89±3.24d 3.93±0.52e
D 14,24,34,45,66 5 4.95 Y=1.70Pn+21.69WUE-52.57 14.56±2.78e 3.71±0.52e
E 57 1 0.99 Y=1.65Pn+11.46WUE-22.93 14.26e 1.95f
F 6,7,8,10,12,15,29,75,92,93 10 9.90 Y=4.38Pn+40.47WUE-222.45 37.77±3.77b 6.90±0.45b
G 9,18,58,80 4 3.96 Y=2.77Pn+37.32WUE-151.95 23.76±4.70d 6.38±0.32b
H 13,17,84 3 2.97 Y=2.64Pn+45.82WUE-209.44 22.52±4.71d 7.84±0.09a