植物学报 ›› 2024, Vol. 59 ›› Issue (1): 75-88.DOI: 10.11983/CBB23016 cstr: 32102.14.CBB23016
刘寅笃, 脱军康, 李成举, 张锋, 张春利, 张莹, 王云姣, 范又方, 姚攀锋, 孙超, 刘玉汇, 刘震, 毕真真*(), 白江平*(
)
收稿日期:
2023-02-09
接受日期:
2023-03-15
出版日期:
2024-01-10
发布日期:
2024-01-10
通讯作者:
*E-mail: 基金资助:
Yindu Liu, Junkang Tuo, Chengju Li, Feng Zhang, Chunli Zhang, Ying Zhang, Yunjiao Wang, Youfang Fan, Panfeng Yao, Chao Sun, Yuhui Liu, Zhen Liu, Zhenzhen Bi*(), Jiangping Bai*(
)
Received:
2023-02-09
Accepted:
2023-03-15
Online:
2024-01-10
Published:
2024-01-10
Contact:
*E-mail: 摘要: 土壤缺钾严重降低了我国马铃薯(Solanum tuberosum)的产量。而不同品种马铃薯对低钾的响应差异较大。因此, 采用耐低钾马铃薯品种可通过提高钾素利用效率减少钾肥施用量, 成为我国农业可持续发展和绿色发展的重要途径。该研究对30个马铃薯品种在正常钾处理(202.5 kg∙hm-2 K2O)和低钾处理(0 kg∙hm-2 K2O)下的17个指标进行测定, 并对9个代表性指标, 包括叶面积指数、根冠比、茎叶干质量、根干质量、单株产量、单株大薯产量、单株小薯产量、块茎干质量和块茎钾积累量进行后续分析。结果表明, 在低钾条件下, 各项指标均有不同程度的下降。主成分分析表明, 这9个指标可转换为4个独立的综合指标, 累计贡献率达87.1%。根据综合评价值(D值)和聚类分析, 将30个品种分为6类, 其中第1类为高度耐低钾品种, 包括Lucinda、Favorita、Kexin1、Xisen6、Xingjia2、Helan15和Chuanyin2, 第2类为中度耐低钾品种, 包括Longshu20、Dingshu3、Jizhang12(W)、Jiuen1、Longshu19和Jizhang12(Y)。此外还建立了耐低钾性评价回归模型Y= -0.595+0.247X5+0.155X4+0.138X3+0.167X8+0.088X1+0.081X6+0.097X9+0.053X2 (R2=0.999, P=0.000), 利用回归方程对30个品种的估计精度均在90%以上。在低钾条件下, 可利用单株产量、根干质量、茎叶干质量、块茎干质量、叶面积指数、单株大薯产量、块茎钾积累量和根冠比快速鉴定耐低钾马铃薯品种。
刘寅笃, 脱军康, 李成举, 张锋, 张春利, 张莹, 王云姣, 范又方, 姚攀锋, 孙超, 刘玉汇, 刘震, 毕真真, 白江平. 耐低钾马铃薯品种的筛选与评价. 植物学报, 2024, 59(1): 75-88.
Yindu Liu, Junkang Tuo, Chengju Li, Feng Zhang, Chunli Zhang, Ying Zhang, Yunjiao Wang, Youfang Fan, Panfeng Yao, Chao Sun, Yuhui Liu, Zhen Liu, Zhenzhen Bi, Jiangping Bai. Screening and Evaluation of Low-potassium Tolerance Potato Varieties. Chinese Bulletin of Botany, 2024, 59(1): 75-88.
No. | Cultivars | Main planting area |
---|---|---|
1 | Helan15 | Shandong |
2 | Favorita | Heilongjiang, Liaoning, Inner Mongolia, Hebei, Shandong, Jiangsu, Guangdong |
3 | Xingjia2 | Guangdong, Guangxi, Jiangxi, Fujian, Sichuan |
4 | Xuechuan8 | Inner Mongolia, Shanxi |
5 | Longshu20 | Gansu |
6 | Xisen6 | Inner Mongolia, Heilongjiang, Hebei, Shanxi, Shaanxi, Ningxia, Shandong, Sichuan |
7 | Lucinda | Inner Mongolia, Heilongjiang, Jilin, Liaoning, Hebei, Shanxi, Shaanxi, Ningxia, Gansu, Xinjiang |
8 | Atlantic | Guangxi, Shanxi, Tianjin, Inner Mongolia, Gansu |
9 | Chuanyin2 | Hebei, Inner Mongolia |
10 | Jizhang12(Y) | Hebei, Shanxi, Shaanxi, Inner Mongolia, Tianjin, Gansu |
11 | Lishu6 | Yunnan |
12 | Dingshu4 | Gansu |
13 | Xindaping | Gansu |
14 | Longshu7 | Guangdong, Qinghai, Ningxia, Inner Mongolia, Heilongjiang, Jilin, Liaoning, Gansu, Yunnan, Guizhou, Guangdong, Guangxi |
15 | Huasong7 | Inner Mongolia, Hebei, Shanxi, Shaanxi, Gansu, Ningxia, Yunnan, Guizhou, Xinjiang, Qinghai, Xizang, Guangdong, Fujian, Guangxi, Hubei, Hunan, Shandong |
16 | Longshu14 | Gansu, Inner Mongolia |
17 | Dingshu6 | Gansu, Inner Mongolia |
18 | Longshu22 | Gansu |
19 | Qingshu9 | Qinghai, Ningxia, Gansu |
20 | L0109-4 | Gansu |
21 | Jizhang12(W) | Hebei, Shanxi, Shaanxi, Inner Mongolia, Tianjin, Gansu |
22 | Longshu10 | Gansu |
23 | Heijingang | Inner Mongolia, Heilongjiang, Gansu, Xinjiang, Sichuan, Jilin, Liaoning, Hebei, Shanxi, Shaanxi, Ningxia, Shandong, Henan |
24 | Jiuen1 | Hebei, Henan, Shandong, Inner Mongolia, Guangdong, Fujian |
25 | Longshu19 | Gansu |
26 | Qingshu10 | Qinghai |
27 | Kexin1 | Heilongjiang, Jilin, Liaoning, Hebei, Inner Mongolia, Shanxi, Shaanxi, Gansu |
28 | Dingshu3 | Qinghai, Ningxia, Gansu |
29 | Zhuangshu3 | Qinghai, Ningxia, Gansu |
30 | Longshu3 | Gansu, Ningxia, Shanxi, Qinghai, Xinjiang, Hebei, Inner Mongolia, Heilongjiang |
表1 马铃薯品种及主栽地区
Table 1 The potato cultivars and main planting area
No. | Cultivars | Main planting area |
---|---|---|
1 | Helan15 | Shandong |
2 | Favorita | Heilongjiang, Liaoning, Inner Mongolia, Hebei, Shandong, Jiangsu, Guangdong |
3 | Xingjia2 | Guangdong, Guangxi, Jiangxi, Fujian, Sichuan |
4 | Xuechuan8 | Inner Mongolia, Shanxi |
5 | Longshu20 | Gansu |
6 | Xisen6 | Inner Mongolia, Heilongjiang, Hebei, Shanxi, Shaanxi, Ningxia, Shandong, Sichuan |
7 | Lucinda | Inner Mongolia, Heilongjiang, Jilin, Liaoning, Hebei, Shanxi, Shaanxi, Ningxia, Gansu, Xinjiang |
8 | Atlantic | Guangxi, Shanxi, Tianjin, Inner Mongolia, Gansu |
9 | Chuanyin2 | Hebei, Inner Mongolia |
10 | Jizhang12(Y) | Hebei, Shanxi, Shaanxi, Inner Mongolia, Tianjin, Gansu |
11 | Lishu6 | Yunnan |
12 | Dingshu4 | Gansu |
13 | Xindaping | Gansu |
14 | Longshu7 | Guangdong, Qinghai, Ningxia, Inner Mongolia, Heilongjiang, Jilin, Liaoning, Gansu, Yunnan, Guizhou, Guangdong, Guangxi |
15 | Huasong7 | Inner Mongolia, Hebei, Shanxi, Shaanxi, Gansu, Ningxia, Yunnan, Guizhou, Xinjiang, Qinghai, Xizang, Guangdong, Fujian, Guangxi, Hubei, Hunan, Shandong |
16 | Longshu14 | Gansu, Inner Mongolia |
17 | Dingshu6 | Gansu, Inner Mongolia |
18 | Longshu22 | Gansu |
19 | Qingshu9 | Qinghai, Ningxia, Gansu |
20 | L0109-4 | Gansu |
21 | Jizhang12(W) | Hebei, Shanxi, Shaanxi, Inner Mongolia, Tianjin, Gansu |
22 | Longshu10 | Gansu |
23 | Heijingang | Inner Mongolia, Heilongjiang, Gansu, Xinjiang, Sichuan, Jilin, Liaoning, Hebei, Shanxi, Shaanxi, Ningxia, Shandong, Henan |
24 | Jiuen1 | Hebei, Henan, Shandong, Inner Mongolia, Guangdong, Fujian |
25 | Longshu19 | Gansu |
26 | Qingshu10 | Qinghai |
27 | Kexin1 | Heilongjiang, Jilin, Liaoning, Hebei, Inner Mongolia, Shanxi, Shaanxi, Gansu |
28 | Dingshu3 | Qinghai, Ningxia, Gansu |
29 | Zhuangshu3 | Qinghai, Ningxia, Gansu |
30 | Longshu3 | Gansu, Ningxia, Shanxi, Qinghai, Xinjiang, Hebei, Inner Mongolia, Heilongjiang |
Item | X1 | X2 | X3 | X4 | X5 | X6 | X7 | X8 | X9 | |
---|---|---|---|---|---|---|---|---|---|---|
NPK | Mean value | 2.72 | 0.06 | 70.94 | 7.33 | 0.99 | 0.58 | 0.41 | 0.22 | 2.73 |
Maximum | 4.45 | 0.10 | 193.06 | 27.13 | 1.60 | 1.14 | 0.92 | 0.31 | 4.59 | |
Minimum | 1.48 | 0.04 | 15.70 | 1.85 | 0.59 | 0.32 | 0.16 | 0.14 | 1.54 | |
Range | 2.97 | 0.06 | 177.36 | 25.27 | 1.01 | 0.82 | 0.76 | 0.18 | 3.05 | |
Variation of coefficient (%) | 25.3 | 22.3 | 55.3 | 68.9 | 23.8 | 35.7 | 41.5 | 24.2 | 29.0 | |
NP | Mean value | 3.50 | 0.06 | 86.21 | 8.41 | 0.91 | 0.50 | 0.40 | 0.20 | 2.52 |
Maximum | 5.20 | 0.10 | 161.21 | 38.54 | 1.45 | 1.08 | 0.91 | 0.33 | 4.32 | |
Minimum | 2.15 | 0.03 | 24.24 | 1.80 | 0.37 | 0.19 | 0.15 | 0.09 | 1.18 | |
Range | 3.05 | 0.07 | 136.97 | 36.74 | 1.08 | 0.89 | 0.76 | 0.24 | 3.13 | |
Variation of coefficient (%) | 21.1 | 29.4 | 48.5 | 80.2 | 27.8 | 45.0 | 36.7 | 24.7 | 28.1 | |
LPTC | Mean value | 1.33 | 0.94 | 1.28 | 1.16 | 0.93 | 0.88 | 1.05 | 0.93 | 0.95 |
Maximum | 1.66 | 1.42 | 1.66 | 1.76 | 1.35 | 1.51 | 2.18 | 1.31 | 1.37 | |
Minimum | 0.68 | 0.56 | 0.72 | 0.48 | 0.53 | 0.34 | 0.61 | 0.59 | 0.52 | |
Range | 0.98 | 0.86 | 0.94 | 1.28 | 0.83 | 1.18 | 1.57 | 0.72 | 0.85 | |
Variation of coefficient (%) | 20.5 | 24.6 | 23.8 | 28.4 | 23.5 | 30.1 | 30.9 | 21.8 | 24.4 |
表2 正常钾处理和低钾处理下马铃薯各指标的变异及耐低钾系数的变异
Table 2 Variation of potato indexes under normal potassium treatment, low potassium treatment and variation of low potassium tolerance coefficient
Item | X1 | X2 | X3 | X4 | X5 | X6 | X7 | X8 | X9 | |
---|---|---|---|---|---|---|---|---|---|---|
NPK | Mean value | 2.72 | 0.06 | 70.94 | 7.33 | 0.99 | 0.58 | 0.41 | 0.22 | 2.73 |
Maximum | 4.45 | 0.10 | 193.06 | 27.13 | 1.60 | 1.14 | 0.92 | 0.31 | 4.59 | |
Minimum | 1.48 | 0.04 | 15.70 | 1.85 | 0.59 | 0.32 | 0.16 | 0.14 | 1.54 | |
Range | 2.97 | 0.06 | 177.36 | 25.27 | 1.01 | 0.82 | 0.76 | 0.18 | 3.05 | |
Variation of coefficient (%) | 25.3 | 22.3 | 55.3 | 68.9 | 23.8 | 35.7 | 41.5 | 24.2 | 29.0 | |
NP | Mean value | 3.50 | 0.06 | 86.21 | 8.41 | 0.91 | 0.50 | 0.40 | 0.20 | 2.52 |
Maximum | 5.20 | 0.10 | 161.21 | 38.54 | 1.45 | 1.08 | 0.91 | 0.33 | 4.32 | |
Minimum | 2.15 | 0.03 | 24.24 | 1.80 | 0.37 | 0.19 | 0.15 | 0.09 | 1.18 | |
Range | 3.05 | 0.07 | 136.97 | 36.74 | 1.08 | 0.89 | 0.76 | 0.24 | 3.13 | |
Variation of coefficient (%) | 21.1 | 29.4 | 48.5 | 80.2 | 27.8 | 45.0 | 36.7 | 24.7 | 28.1 | |
LPTC | Mean value | 1.33 | 0.94 | 1.28 | 1.16 | 0.93 | 0.88 | 1.05 | 0.93 | 0.95 |
Maximum | 1.66 | 1.42 | 1.66 | 1.76 | 1.35 | 1.51 | 2.18 | 1.31 | 1.37 | |
Minimum | 0.68 | 0.56 | 0.72 | 0.48 | 0.53 | 0.34 | 0.61 | 0.59 | 0.52 | |
Range | 0.98 | 0.86 | 0.94 | 1.28 | 0.83 | 1.18 | 1.57 | 0.72 | 0.85 | |
Variation of coefficient (%) | 20.5 | 24.6 | 23.8 | 28.4 | 23.5 | 30.1 | 30.9 | 21.8 | 24.4 |
Cultivars | X1 | X2 | X3 | X4 | X5 | X6 | X7 | X8 | X9 |
---|---|---|---|---|---|---|---|---|---|
Helan15 | 0.68 | 1.10 | 1.66 | 1.76 | 1.10 | 1.20 | 0.80 | 0.98 | 1.10 |
Favorita | 1.55 | 0.76 | 1.54 | 1.34 | 1.22 | 1.19 | 1.26 | 1.17 | 1.10 |
Xingjia2 | 1.29 | 0.94 | 1.55 | 1.07 | 1.22 | 1.39 | 0.98 | 1.25 | 1.21 |
Xuechuan8 | 1.43 | 0.59 | 0.92 | 0.77 | 1.03 | 0.88 | 1.45 | 1.14 | 1.23 |
Longshu20 | 1.60 | 1.11 | 1.50 | 1.46 | 1.07 | 1.06 | 1.13 | 0.92 | 0.92 |
Xisen6 | 1.55 | 0.67 | 1.64 | 1.38 | 1.12 | 1.25 | 0.95 | 1.14 | 1.14 |
Lucinda | 1.61 | 0.99 | 1.57 | 1.55 | 1.19 | 0.97 | 1.64 | 1.19 | 1.14 |
Atlantic | 1.60 | 1.34 | 0.96 | 0.62 | 0.62 | 0.53 | 0.83 | 0.62 | 0.61 |
Chuanyin2 | 1.63 | 1.42 | 0.72 | 1.42 | 1.24 | 0.96 | 1.49 | 1.31 | 1.16 |
Jizhang12(Y) | 1.17 | 1.19 | 1.07 | 1.32 | 1.05 | 1.06 | 1.01 | 0.97 | 1.24 |
Lishu6 | 1.66 | 1.04 | 1.21 | 0.91 | 0.80 | 0.73 | 0.92 | 0.76 | 0.89 |
Dingshu4 | 1.18 | 0.85 | 1.44 | 0.98 | 0.97 | 0.90 | 1.19 | 0.91 | 1.37 |
Xindaping | 0.81 | 0.71 | 1.00 | 0.48 | 0.87 | 0.77 | 1.03 | 0.89 | 0.94 |
Longshu7 | 1.05 | 0.70 | 0.96 | 0.79 | 0.85 | 0.74 | 0.95 | 0.83 | 1.02 |
Huasong7 | 0.82 | 1.38 | 0.72 | 0.92 | 0.70 | 0.56 | 0.85 | 0.67 | 0.64 |
Longshu14 | 1.11 | 1.27 | 0.98 | 1.37 | 0.80 | 0.95 | 0.61 | 0.93 | 0.94 |
Dingshu6 | 1.05 | 0.92 | 0.95 | 0.93 | 0.53 | 0.34 | 1.19 | 0.63 | 0.67 |
Longshu22 | 1.20 | 0.74 | 1.08 | 1.33 | 0.68 | 0.54 | 0.81 | 0.75 | 0.83 |
Qingshu9 | 1.03 | 1.03 | 1.11 | 0.87 | 0.77 | 1.12 | 0.64 | 0.94 | 1.03 |
L0109-4 | 1.53 | 0.97 | 1.30 | 1.00 | 0.74 | 0.53 | 0.94 | 0.74 | 0.60 |
Jizhang12(W) | 1.50 | 1.15 | 1.54 | 1.06 | 0.98 | 0.99 | 0.97 | 1.17 | 1.24 |
Longshu10 | 1.43 | 0.93 | 1.17 | 0.85 | 0.83 | 0.74 | 1.05 | 0.94 | 0.76 |
Heijingang | 1.64 | 0.87 | 1.59 | 1.22 | 0.81 | 0.74 | 0.89 | 0.83 | 0.81 |
Jiuen1 | 1.24 | 0.73 | 1.60 | 1.72 | 0.92 | 0.90 | 0.95 | 0.93 | 0.85 |
Longshu19 | 1.27 | 0.56 | 0.91 | 0.81 | 1.35 | 1.51 | 1.19 | 1.21 | 1.24 |
Qingshu10 | 1.61 | 0.90 | 1.57 | 1.45 | 0.70 | 0.69 | 0.71 | 0.59 | 0.52 |
Kexin1 | 1.64 | 0.64 | 1.65 | 1.27 | 1.28 | 0.91 | 2.18 | 1.11 | 1.05 |
Dingshu3 | 1.39 | 0.95 | 1.53 | 1.44 | 1.13 | 0.82 | 1.37 | 1.09 | 0.95 |
Zhuangshu3 | 1.45 | 1.01 | 1.22 | 0.93 | 0.77 | 0.84 | 0.73 | 0.72 | 0.72 |
Longshu3 | 1.22 | 0.71 | 1.66 | 1.66 | 0.67 | 0.63 | 0.76 | 0.70 | 0.60 |
表3 低钾胁迫下马铃薯品种各单项指标的耐低钾系数(LPTC)
Table 3 Low potassium tolerance coefficient (LPTC) of each single index of potato cultivars under low potassium stress
Cultivars | X1 | X2 | X3 | X4 | X5 | X6 | X7 | X8 | X9 |
---|---|---|---|---|---|---|---|---|---|
Helan15 | 0.68 | 1.10 | 1.66 | 1.76 | 1.10 | 1.20 | 0.80 | 0.98 | 1.10 |
Favorita | 1.55 | 0.76 | 1.54 | 1.34 | 1.22 | 1.19 | 1.26 | 1.17 | 1.10 |
Xingjia2 | 1.29 | 0.94 | 1.55 | 1.07 | 1.22 | 1.39 | 0.98 | 1.25 | 1.21 |
Xuechuan8 | 1.43 | 0.59 | 0.92 | 0.77 | 1.03 | 0.88 | 1.45 | 1.14 | 1.23 |
Longshu20 | 1.60 | 1.11 | 1.50 | 1.46 | 1.07 | 1.06 | 1.13 | 0.92 | 0.92 |
Xisen6 | 1.55 | 0.67 | 1.64 | 1.38 | 1.12 | 1.25 | 0.95 | 1.14 | 1.14 |
Lucinda | 1.61 | 0.99 | 1.57 | 1.55 | 1.19 | 0.97 | 1.64 | 1.19 | 1.14 |
Atlantic | 1.60 | 1.34 | 0.96 | 0.62 | 0.62 | 0.53 | 0.83 | 0.62 | 0.61 |
Chuanyin2 | 1.63 | 1.42 | 0.72 | 1.42 | 1.24 | 0.96 | 1.49 | 1.31 | 1.16 |
Jizhang12(Y) | 1.17 | 1.19 | 1.07 | 1.32 | 1.05 | 1.06 | 1.01 | 0.97 | 1.24 |
Lishu6 | 1.66 | 1.04 | 1.21 | 0.91 | 0.80 | 0.73 | 0.92 | 0.76 | 0.89 |
Dingshu4 | 1.18 | 0.85 | 1.44 | 0.98 | 0.97 | 0.90 | 1.19 | 0.91 | 1.37 |
Xindaping | 0.81 | 0.71 | 1.00 | 0.48 | 0.87 | 0.77 | 1.03 | 0.89 | 0.94 |
Longshu7 | 1.05 | 0.70 | 0.96 | 0.79 | 0.85 | 0.74 | 0.95 | 0.83 | 1.02 |
Huasong7 | 0.82 | 1.38 | 0.72 | 0.92 | 0.70 | 0.56 | 0.85 | 0.67 | 0.64 |
Longshu14 | 1.11 | 1.27 | 0.98 | 1.37 | 0.80 | 0.95 | 0.61 | 0.93 | 0.94 |
Dingshu6 | 1.05 | 0.92 | 0.95 | 0.93 | 0.53 | 0.34 | 1.19 | 0.63 | 0.67 |
Longshu22 | 1.20 | 0.74 | 1.08 | 1.33 | 0.68 | 0.54 | 0.81 | 0.75 | 0.83 |
Qingshu9 | 1.03 | 1.03 | 1.11 | 0.87 | 0.77 | 1.12 | 0.64 | 0.94 | 1.03 |
L0109-4 | 1.53 | 0.97 | 1.30 | 1.00 | 0.74 | 0.53 | 0.94 | 0.74 | 0.60 |
Jizhang12(W) | 1.50 | 1.15 | 1.54 | 1.06 | 0.98 | 0.99 | 0.97 | 1.17 | 1.24 |
Longshu10 | 1.43 | 0.93 | 1.17 | 0.85 | 0.83 | 0.74 | 1.05 | 0.94 | 0.76 |
Heijingang | 1.64 | 0.87 | 1.59 | 1.22 | 0.81 | 0.74 | 0.89 | 0.83 | 0.81 |
Jiuen1 | 1.24 | 0.73 | 1.60 | 1.72 | 0.92 | 0.90 | 0.95 | 0.93 | 0.85 |
Longshu19 | 1.27 | 0.56 | 0.91 | 0.81 | 1.35 | 1.51 | 1.19 | 1.21 | 1.24 |
Qingshu10 | 1.61 | 0.90 | 1.57 | 1.45 | 0.70 | 0.69 | 0.71 | 0.59 | 0.52 |
Kexin1 | 1.64 | 0.64 | 1.65 | 1.27 | 1.28 | 0.91 | 2.18 | 1.11 | 1.05 |
Dingshu3 | 1.39 | 0.95 | 1.53 | 1.44 | 1.13 | 0.82 | 1.37 | 1.09 | 0.95 |
Zhuangshu3 | 1.45 | 1.01 | 1.22 | 0.93 | 0.77 | 0.84 | 0.73 | 0.72 | 0.72 |
Longshu3 | 1.22 | 0.71 | 1.66 | 1.66 | 0.67 | 0.63 | 0.76 | 0.70 | 0.60 |
Index | X1 | X2 | X3 | X4 | X5 | X6 | X7 | X8 | X9 |
---|---|---|---|---|---|---|---|---|---|
X1 | 1.000 | ||||||||
X2 | -0.018 | 1.000 | |||||||
X3 | 0.305* | -0.309* | 1.000 | ||||||
X4 | 0.121 | 0.053 | 0.611** | 1.000 | |||||
X5 | 0.225 | -0.193 | 0.271 | 0.275 | 1.000 | ||||
X6 | 0.017 | -0.146 | 0.264 | 0.209 | 0.814** | 1.000 | |||
X7 | 0.364* | -0.255 | 0.107 | 0.066 | 0.634** | 0.143 | 1.000 | ||
X8 | 0.196 | -0.138 | 0.165 | 0.193 | 0.910** | 0.779** | 0.557** | 1.000 | |
X9 | -0.038 | -0.154 | 0.068 | 0.032 | 0.777** | 0.748** | 0.416** | 0.830** | 1.000 |
表4 低钾胁迫下马铃薯各单项指标的相关系数矩阵
Table 4 Correlation coefficient matrix of each single index of potato under low potassium stress
Index | X1 | X2 | X3 | X4 | X5 | X6 | X7 | X8 | X9 |
---|---|---|---|---|---|---|---|---|---|
X1 | 1.000 | ||||||||
X2 | -0.018 | 1.000 | |||||||
X3 | 0.305* | -0.309* | 1.000 | ||||||
X4 | 0.121 | 0.053 | 0.611** | 1.000 | |||||
X5 | 0.225 | -0.193 | 0.271 | 0.275 | 1.000 | ||||
X6 | 0.017 | -0.146 | 0.264 | 0.209 | 0.814** | 1.000 | |||
X7 | 0.364* | -0.255 | 0.107 | 0.066 | 0.634** | 0.143 | 1.000 | ||
X8 | 0.196 | -0.138 | 0.165 | 0.193 | 0.910** | 0.779** | 0.557** | 1.000 | |
X9 | -0.038 | -0.154 | 0.068 | 0.032 | 0.777** | 0.748** | 0.416** | 0.830** | 1.000 |
Item | CI1 | CI2 | CI3 | CI4 |
---|---|---|---|---|
X1 | 0.130 | 0.375 | -0.528 | 0.392 |
X2 | -0.140 | -0.129 | 0.274 | 0.862 |
X3 | 0.189 | 0.635 | 0.160 | -0.205 |
X4 | 0.159 | 0.552 | 0.398 | 0.175 |
X5 | 0.486 | -0.056 | -0.009 | 0.077 |
X6 | 0.415 | -0.129 | 0.351 | -0.046 |
X7 | 0.310 | 0.015 | -0.571 | 0.079 |
X8 | 0.471 | -0.150 | 0.006 | 0.116 |
X9 | 0.420 | -0.305 | 0.112 | -0.039 |
Eigen values | 3.961 | 1.628 | 1.217 | 1.032 |
Contributive rate (%) | 44.0 | 18.1 | 13.5 | 11.5 |
Cumulative contributive rate (%) | 44.0 | 62.1 | 75.6 | 87.1 |
表5 各综合指标的系数及贡献率
Table 5 Coefficient and contributive rate of each comprehensive index
Item | CI1 | CI2 | CI3 | CI4 |
---|---|---|---|---|
X1 | 0.130 | 0.375 | -0.528 | 0.392 |
X2 | -0.140 | -0.129 | 0.274 | 0.862 |
X3 | 0.189 | 0.635 | 0.160 | -0.205 |
X4 | 0.159 | 0.552 | 0.398 | 0.175 |
X5 | 0.486 | -0.056 | -0.009 | 0.077 |
X6 | 0.415 | -0.129 | 0.351 | -0.046 |
X7 | 0.310 | 0.015 | -0.571 | 0.079 |
X8 | 0.471 | -0.150 | 0.006 | 0.116 |
X9 | 0.420 | -0.305 | 0.112 | -0.039 |
Eigen values | 3.961 | 1.628 | 1.217 | 1.032 |
Contributive rate (%) | 44.0 | 18.1 | 13.5 | 11.5 |
Cumulative contributive rate (%) | 44.0 | 62.1 | 75.6 | 87.1 |
Cultivars | F(X1) | F(X2) | F(X3) | F(X4) | U(X1) | U(X2) | U(X3) | U(X4) | D value | Comprehensive valuation |
---|---|---|---|---|---|---|---|---|---|---|
Lucinda | 2.683 | 1.108 | -0.681 | 0.936 | 0.936 | 0.710 | 0.317 | 0.557 | 0.743 | 1 |
Favorita | 2.604 | 0.673 | -0.169 | -0.224 | 0.924 | 0.617 | 0.404 | 0.321 | 0.700 | 2 |
Kexin1 | 3.097 | 1.249 | -2.530 | -0.386 | 1.000 | 0.740 | 0.000 | 0.289 | 0.697 | 3 |
Xisen6 | 2.318 | 0.951 | 0.473 | -0.751 | 0.880 | 0.676 | 0.514 | 0.214 | 0.693 | 4 |
Xingjia2 | 2.677 | -0.531 | 1.039 | -0.153 | 0.935 | 0.359 | 0.611 | 0.336 | 0.686 | 5 |
Helan15 | 1.131 | 0.389 | 3.311 | -0.328 | 0.696 | 0.556 | 1.000 | 0.300 | 0.662 | 6 |
Chuanyin2 | 2.107 | -1.227 | -0.553 | 3.118 | 0.847 | 0.211 | 0.338 | 1.000 | 0.656 | 7 |
Longshu20 | 0.883 | 1.181 | 0.242 | 1.069 | 0.658 | 0.725 | 0.475 | 0.584 | 0.634 | 8 |
Dingshu3 | 1.322 | 0.959 | -0.274 | 0.353 | 0.726 | 0.678 | 0.386 | 0.439 | 0.625 | 9 |
Jizhang12(W) | 1.337 | -0.122 | 0.373 | 0.864 | 0.728 | 0.447 | 0.497 | 0.542 | 0.609 | 10 |
Jiuen1 | 0.269 | 1.737 | 0.933 | -0.845 | 0.563 | 0.844 | 0.593 | 0.195 | 0.578 | 11 |
Longshu19 | 3.014 | -2.212 | -0.226 | -1.257 | 0.987 | 0.000 | 0.394 | 0.112 | 0.575 | 12 |
Jizhang12(Y) | 0.831 | -1.045 | 1.140 | 0.903 | 0.650 | 0.249 | 0.628 | 0.550 | 0.550 | 13 |
Dingshu4 | 0.946 | -0.660 | 0.036 | -0.793 | 0.667 | 0.332 | 0.439 | 0.206 | 0.502 | 14 |
Heijingang | -0.730 | 1.577 | -0.411 | -0.084 | 0.408 | 0.810 | 0.363 | 0.350 | 0.477 | 15 |
Xuechuan8 | 1.427 | -1.589 | -1.830 | -0.922 | 0.742 | 0.133 | 0.120 | 0.180 | 0.445 | 16 |
Longshu14 | -1.025 | -0.753 | 1.786 | 1.063 | 0.363 | 0.312 | 0.739 | 0.583 | 0.440 | 17 |
Longshu3 | -1.866 | 2.430 | 0.765 | -1.197 | 0.233 | 0.992 | 0.564 | 0.124 | 0.428 | 18 |
Qingshu10 | -2.239 | 2.466 | 0.059 | -0.041 | 0.175 | 1.000 | 0.443 | 0.358 | 0.412 | 19 |
Qingshu9 | -0.664 | -1.497 | 1.337 | -0.342 | 0.419 | 0.153 | 0.662 | 0.297 | 0.385 | 20 |
Lishu6 | -1.236 | 0.151 | -0.852 | 0.621 | 0.330 | 0.505 | 0.287 | 0.493 | 0.381 | 21 |
Longshu10 | -0.945 | -0.256 | -0.906 | 0.041 | 0.375 | 0.418 | 0.278 | 0.375 | 0.369 | 22 |
Zhuangshu3 | -1.778 | 0.132 | -0.054 | 0.142 | 0.247 | 0.501 | 0.424 | 0.396 | 0.347 | 23 |
L0109-4 | -2.156 | 0.860 | -0.966 | 0.217 | 0.188 | 0.657 | 0.268 | 0.411 | 0.327 | 24 |
Longshu22 | -1.953 | 0.325 | 0.040 | -0.877 | 0.219 | 0.542 | 0.440 | 0.189 | 0.317 | 25 |
Longshu7 | -0.981 | -1.460 | -0.329 | -1.376 | 0.370 | 0.161 | 0.377 | 0.087 | 0.290 | 26 |
Xindaping | -1.065 | -2.187 | -0.346 | -1.806 | 0.357 | 0.005 | 0.374 | 0.000 | 0.239 | 27 |
Atlantic | -3.373 | -0.497 | -1.103 | 1.584 | 0.000 | 0.367 | 0.244 | 0.688 | 0.205 | 28 |
Huasong7 | -3.358 | -1.698 | 0.708 | 0.986 | 0.002 | 0.110 | 0.554 | 0.567 | 0.185 | 29 |
Dingshu6 | -3.259 | -0.472 | -1.019 | -0.515 | 0.018 | 0.372 | 0.259 | 0.262 | 0.161 | 30 |
Index weight | 0.505 | 0.208 | 0.155 | 0.132 |
表6 各品种马铃薯的综合指标值F(Xj)、权重Wj、隶属函数值U(Xj)、D值及综合评价
Table 6 The value of each potato cultivar’s comprehensive index F(Xj), index weight Wj, subordinate function value U(Xj), D value and comprehensive valuation
Cultivars | F(X1) | F(X2) | F(X3) | F(X4) | U(X1) | U(X2) | U(X3) | U(X4) | D value | Comprehensive valuation |
---|---|---|---|---|---|---|---|---|---|---|
Lucinda | 2.683 | 1.108 | -0.681 | 0.936 | 0.936 | 0.710 | 0.317 | 0.557 | 0.743 | 1 |
Favorita | 2.604 | 0.673 | -0.169 | -0.224 | 0.924 | 0.617 | 0.404 | 0.321 | 0.700 | 2 |
Kexin1 | 3.097 | 1.249 | -2.530 | -0.386 | 1.000 | 0.740 | 0.000 | 0.289 | 0.697 | 3 |
Xisen6 | 2.318 | 0.951 | 0.473 | -0.751 | 0.880 | 0.676 | 0.514 | 0.214 | 0.693 | 4 |
Xingjia2 | 2.677 | -0.531 | 1.039 | -0.153 | 0.935 | 0.359 | 0.611 | 0.336 | 0.686 | 5 |
Helan15 | 1.131 | 0.389 | 3.311 | -0.328 | 0.696 | 0.556 | 1.000 | 0.300 | 0.662 | 6 |
Chuanyin2 | 2.107 | -1.227 | -0.553 | 3.118 | 0.847 | 0.211 | 0.338 | 1.000 | 0.656 | 7 |
Longshu20 | 0.883 | 1.181 | 0.242 | 1.069 | 0.658 | 0.725 | 0.475 | 0.584 | 0.634 | 8 |
Dingshu3 | 1.322 | 0.959 | -0.274 | 0.353 | 0.726 | 0.678 | 0.386 | 0.439 | 0.625 | 9 |
Jizhang12(W) | 1.337 | -0.122 | 0.373 | 0.864 | 0.728 | 0.447 | 0.497 | 0.542 | 0.609 | 10 |
Jiuen1 | 0.269 | 1.737 | 0.933 | -0.845 | 0.563 | 0.844 | 0.593 | 0.195 | 0.578 | 11 |
Longshu19 | 3.014 | -2.212 | -0.226 | -1.257 | 0.987 | 0.000 | 0.394 | 0.112 | 0.575 | 12 |
Jizhang12(Y) | 0.831 | -1.045 | 1.140 | 0.903 | 0.650 | 0.249 | 0.628 | 0.550 | 0.550 | 13 |
Dingshu4 | 0.946 | -0.660 | 0.036 | -0.793 | 0.667 | 0.332 | 0.439 | 0.206 | 0.502 | 14 |
Heijingang | -0.730 | 1.577 | -0.411 | -0.084 | 0.408 | 0.810 | 0.363 | 0.350 | 0.477 | 15 |
Xuechuan8 | 1.427 | -1.589 | -1.830 | -0.922 | 0.742 | 0.133 | 0.120 | 0.180 | 0.445 | 16 |
Longshu14 | -1.025 | -0.753 | 1.786 | 1.063 | 0.363 | 0.312 | 0.739 | 0.583 | 0.440 | 17 |
Longshu3 | -1.866 | 2.430 | 0.765 | -1.197 | 0.233 | 0.992 | 0.564 | 0.124 | 0.428 | 18 |
Qingshu10 | -2.239 | 2.466 | 0.059 | -0.041 | 0.175 | 1.000 | 0.443 | 0.358 | 0.412 | 19 |
Qingshu9 | -0.664 | -1.497 | 1.337 | -0.342 | 0.419 | 0.153 | 0.662 | 0.297 | 0.385 | 20 |
Lishu6 | -1.236 | 0.151 | -0.852 | 0.621 | 0.330 | 0.505 | 0.287 | 0.493 | 0.381 | 21 |
Longshu10 | -0.945 | -0.256 | -0.906 | 0.041 | 0.375 | 0.418 | 0.278 | 0.375 | 0.369 | 22 |
Zhuangshu3 | -1.778 | 0.132 | -0.054 | 0.142 | 0.247 | 0.501 | 0.424 | 0.396 | 0.347 | 23 |
L0109-4 | -2.156 | 0.860 | -0.966 | 0.217 | 0.188 | 0.657 | 0.268 | 0.411 | 0.327 | 24 |
Longshu22 | -1.953 | 0.325 | 0.040 | -0.877 | 0.219 | 0.542 | 0.440 | 0.189 | 0.317 | 25 |
Longshu7 | -0.981 | -1.460 | -0.329 | -1.376 | 0.370 | 0.161 | 0.377 | 0.087 | 0.290 | 26 |
Xindaping | -1.065 | -2.187 | -0.346 | -1.806 | 0.357 | 0.005 | 0.374 | 0.000 | 0.239 | 27 |
Atlantic | -3.373 | -0.497 | -1.103 | 1.584 | 0.000 | 0.367 | 0.244 | 0.688 | 0.205 | 28 |
Huasong7 | -3.358 | -1.698 | 0.708 | 0.986 | 0.002 | 0.110 | 0.554 | 0.567 | 0.185 | 29 |
Dingshu6 | -3.259 | -0.472 | -1.019 | -0.515 | 0.018 | 0.372 | 0.259 | 0.262 | 0.161 | 30 |
Index weight | 0.505 | 0.208 | 0.155 | 0.132 |
Cluster | Cultivars | Treatments | |
---|---|---|---|
NPK (202.5 kg·hm-2 K2O) | NP (0 kg·hm-2 K2O) | ||
First cluster | Lucinda | 0.81±0.04 a | 0.97±0.05 a |
Favorita | 0.79±0.05 b | 0.97±0.02 a | |
Kexin1 | 0.69±0.05 a | 0.89±0.10 a | |
Xisen6 | 0.81±0.06 a | 0.90±0.01 a | |
Xingjia2 | 0.95±0.01 a | 1.16±0.06 a | |
Helan15 | 1.19±0.01 a | 1.31±0.04 a | |
Chuanyin2 | 1.17±0.11 a | 1.45±0.08 a | |
Second cluster | Longshu20 | 1.25±0.07 a | 1.34±0.04 a |
Dingshu3 | 0.84±0.03 a | 0.95±0.03 a | |
Jizhang12(W) | 1.04±0.00 a | 1.02±0.09 a | |
Jiuen1 | 0.95±0.10 a | 0.88±0.03 a | |
Longshu19 | 0.64±0.02 a | 0.87±0.04 a | |
Jizhang12(Y) | 0.99±0.04 a | 1.03±0.09 a | |
Third cluster | Dingshu4 | 1.15±0.08 a | 1.12±0.07 a |
Heijingang | 0.70±0.03 a | 0.57±0.02 b | |
Fourth cluster | Xuechuan8 | 0.81±0.02 a | 0.84±0.02 a |
Longshu14 | 0.92±0.05 a | 0.73±0.02 b | |
Longshu3 | 1.23±0.01 a | 0.82±0.05 b | |
Qingshu10 | 1.20±0.03 a | 0.85±0.02 b | |
Qingshu9 | 1.25±0.03 a | 0.96±0.08 b | |
Lishu6 | 1.35±0.07 a | 1.07±0.04 b | |
Longshu10 | 1.60±0.01 a | 1.33±0.10 a | |
Fifth cluster | Zhuangshu3 | 1.08±0.13 a | 0.83±0.07 a |
L0109-4 | 1.25±0.09 a | 0.92±0.04 b | |
Longshu22 | 1.01±0.02 a | 0.69±0.06 b | |
Longshu7 | 0.89±0.01 a | 0.75±0.03 a | |
Sixth cluster | Xindaping | 0.80±0.07 a | 0.70±0.10 a |
Atlantic | 0.59±0.03 a | 0.37±0.02 b | |
Huasong7 | 0.92±0.04 a | 0.64±0.03 b | |
Dingshu6 | 0.73±0.07 a | 0.38±0.03 b |
表7 不同品种马铃薯单株产量在正常钾(NPK)与低钾(NP)处理下的差异
Table 7 Difference of tuber yield per plant of different potato varieties under normal potassium (NPK) and low potassium (NP) treatments
Cluster | Cultivars | Treatments | |
---|---|---|---|
NPK (202.5 kg·hm-2 K2O) | NP (0 kg·hm-2 K2O) | ||
First cluster | Lucinda | 0.81±0.04 a | 0.97±0.05 a |
Favorita | 0.79±0.05 b | 0.97±0.02 a | |
Kexin1 | 0.69±0.05 a | 0.89±0.10 a | |
Xisen6 | 0.81±0.06 a | 0.90±0.01 a | |
Xingjia2 | 0.95±0.01 a | 1.16±0.06 a | |
Helan15 | 1.19±0.01 a | 1.31±0.04 a | |
Chuanyin2 | 1.17±0.11 a | 1.45±0.08 a | |
Second cluster | Longshu20 | 1.25±0.07 a | 1.34±0.04 a |
Dingshu3 | 0.84±0.03 a | 0.95±0.03 a | |
Jizhang12(W) | 1.04±0.00 a | 1.02±0.09 a | |
Jiuen1 | 0.95±0.10 a | 0.88±0.03 a | |
Longshu19 | 0.64±0.02 a | 0.87±0.04 a | |
Jizhang12(Y) | 0.99±0.04 a | 1.03±0.09 a | |
Third cluster | Dingshu4 | 1.15±0.08 a | 1.12±0.07 a |
Heijingang | 0.70±0.03 a | 0.57±0.02 b | |
Fourth cluster | Xuechuan8 | 0.81±0.02 a | 0.84±0.02 a |
Longshu14 | 0.92±0.05 a | 0.73±0.02 b | |
Longshu3 | 1.23±0.01 a | 0.82±0.05 b | |
Qingshu10 | 1.20±0.03 a | 0.85±0.02 b | |
Qingshu9 | 1.25±0.03 a | 0.96±0.08 b | |
Lishu6 | 1.35±0.07 a | 1.07±0.04 b | |
Longshu10 | 1.60±0.01 a | 1.33±0.10 a | |
Fifth cluster | Zhuangshu3 | 1.08±0.13 a | 0.83±0.07 a |
L0109-4 | 1.25±0.09 a | 0.92±0.04 b | |
Longshu22 | 1.01±0.02 a | 0.69±0.06 b | |
Longshu7 | 0.89±0.01 a | 0.75±0.03 a | |
Sixth cluster | Xindaping | 0.80±0.07 a | 0.70±0.10 a |
Atlantic | 0.59±0.03 a | 0.37±0.02 b | |
Huasong7 | 0.92±0.04 a | 0.64±0.03 b | |
Dingshu6 | 0.73±0.07 a | 0.38±0.03 b |
图2 Kexin1和Dingshu6的生长状况与产量表现 (A), (B), (E), (F) Kexin1和Dingshu6播后80天时的生长状况(bars=26.5 cm); (C), (D), (G), (H) Kexin1和Dingshu6收获时的产量表现(bars=15 cm)。NPK: 正常钾处理; NP: 低钾处理
Figure 2 Growth status and yield performance of Kexin1 and Dingshu6 (A), (B), (E), (F) Growth conditions of Kexin1 and Dingshu6 at 80 days after sowing (bars=26.5 cm); (C), (D), (G), (H) Yield performance of Kexin1 and Dingshu6 (bars=15 cm). NPK: Normal potassium treatment; NP: Low potassium treatment
Cultivars | Primary value | Regression | Differen- ce | Evaluation accuracy (%) | Cultivars | Primary value | Regression | Differen- ce | Evaluation accuracy (%) |
---|---|---|---|---|---|---|---|---|---|
Helan15 | 0.662 | 0.664 | -0.002 | 100.26 | Longshu14 | 0.440 | 0.439 | 0.001 | 99.73 |
Favorita | 0.700 | 0.701 | -0.001 | 100.18 | Dingshu6 | 0.161 | 0.150 | 0.011 | 93.11 |
Xingjia2 | 0.686 | 0.688 | -0.001 | 100.21 | Longshu22 | 0.317 | 0.322 | -0.005 | 101.70 |
Xuechuan8 | 0.445 | 0.443 | 0.001 | 99.68 | Qingshu9 | 0.385 | 0.376 | 0.009 | 97.54 |
Longshu20 | 0.634 | 0.631 | 0.003 | 99.54 | L0109-4 | 0.327 | 0.333 | -0.005 | 101.66 |
Xisen6 | 0.693 | 0.696 | -0.002 | 100.36 | Jizhang12(W) | 0.609 | 0.612 | -0.003 | 100.49 |
Lucinda | 0.743 | 0.737 | 0.005 | 99.26 | Longshu10 | 0.369 | 0.369 | 0.000 | 99.89 |
Atlantic | 0.205 | 0.204 | 0.001 | 99.69 | Heijingang | 0.477 | 0.481 | -0.004 | 100.77 |
Chuanyin2 | 0.656 | 0.658 | -0.002 | 100.37 | Jiuen1 | 0.578 | 0.578 | 0.000 | 100.01 |
Jizhang12(Y) | 0.550 | 0.551 | 0.000 | 100.08 | Longshu19 | 0.575 | 0.575 | -0.001 | 100.10 |
Lishu6 | 0.381 | 0.384 | -0.003 | 100.69 | Qingshu10 | 0.412 | 0.413 | -0.001 | 100.23 |
Dingshu4 | 0.502 | 0.501 | 0.000 | 99.96 | Kexin1 | 0.697 | 0.684 | 0.013 | 98.17 |
Xindaping | 0.239 | 0.243 | -0.003 | 101.44 | Dingshu3 | 0.625 | 0.631 | -0.006 | 100.95 |
Longshu7 | 0.290 | 0.296 | -0.006 | 102.15 | Zhuangshu3 | 0.347 | 0.347 | 0.000 | 100.05 |
Huasong7 | 0.185 | 0.184 | 0.000 | 99.83 | Longshu3 | 0.428 | 0.428 | 0.000 | 99.95 |
表8 回归方程的估计精度分析
Table 8 Analysis of evaluation accuracy of equation
Cultivars | Primary value | Regression | Differen- ce | Evaluation accuracy (%) | Cultivars | Primary value | Regression | Differen- ce | Evaluation accuracy (%) |
---|---|---|---|---|---|---|---|---|---|
Helan15 | 0.662 | 0.664 | -0.002 | 100.26 | Longshu14 | 0.440 | 0.439 | 0.001 | 99.73 |
Favorita | 0.700 | 0.701 | -0.001 | 100.18 | Dingshu6 | 0.161 | 0.150 | 0.011 | 93.11 |
Xingjia2 | 0.686 | 0.688 | -0.001 | 100.21 | Longshu22 | 0.317 | 0.322 | -0.005 | 101.70 |
Xuechuan8 | 0.445 | 0.443 | 0.001 | 99.68 | Qingshu9 | 0.385 | 0.376 | 0.009 | 97.54 |
Longshu20 | 0.634 | 0.631 | 0.003 | 99.54 | L0109-4 | 0.327 | 0.333 | -0.005 | 101.66 |
Xisen6 | 0.693 | 0.696 | -0.002 | 100.36 | Jizhang12(W) | 0.609 | 0.612 | -0.003 | 100.49 |
Lucinda | 0.743 | 0.737 | 0.005 | 99.26 | Longshu10 | 0.369 | 0.369 | 0.000 | 99.89 |
Atlantic | 0.205 | 0.204 | 0.001 | 99.69 | Heijingang | 0.477 | 0.481 | -0.004 | 100.77 |
Chuanyin2 | 0.656 | 0.658 | -0.002 | 100.37 | Jiuen1 | 0.578 | 0.578 | 0.000 | 100.01 |
Jizhang12(Y) | 0.550 | 0.551 | 0.000 | 100.08 | Longshu19 | 0.575 | 0.575 | -0.001 | 100.10 |
Lishu6 | 0.381 | 0.384 | -0.003 | 100.69 | Qingshu10 | 0.412 | 0.413 | -0.001 | 100.23 |
Dingshu4 | 0.502 | 0.501 | 0.000 | 99.96 | Kexin1 | 0.697 | 0.684 | 0.013 | 98.17 |
Xindaping | 0.239 | 0.243 | -0.003 | 101.44 | Dingshu3 | 0.625 | 0.631 | -0.006 | 100.95 |
Longshu7 | 0.290 | 0.296 | -0.006 | 102.15 | Zhuangshu3 | 0.347 | 0.347 | 0.000 | 100.05 |
Huasong7 | 0.185 | 0.184 | 0.000 | 99.83 | Longshu3 | 0.428 | 0.428 | 0.000 | 99.95 |
Cluster | Average of low potassium tolerance coefficient | |||||||
---|---|---|---|---|---|---|---|---|
X5 | X4 | X3 | X8 | X1 | X6 | X9 | X2 | |
First cluster | 1.20±0.02 a | 1.40±0.08 a | 1.48±0.13 a | 1.16±0.04 a | 1.42±0.13 a | 1.13±0.07 a | 1.13±0.02 a | 0.93±0.10 a |
Second cluster | 1.08±0.06 a | 1.30±0.13 a | 1.36±0.12 a | 1.05±0.05 ab | 1.36±0.07 a | 1.06±0.10 ab | 1.07±0.07 ab | 0.95±0.10 a |
Third cluster | 0.89±0.08 b | 1.10±0.12 ab | 1.52±0.08 a | 0.87±0.04 bc | 1.41±0.23 a | 0.82±0.08 bc | 1.09±0.20 a | 0.86±0.01 a |
Fourth cluster | 0.80±0.04 bc | 1.10±0.12 ab | 1.20±0.09 ab | 0.86±0.06 c | 1.36±0.08 a | 0.82±0.06 bc | 0.85±0.09 abc | 0.92±0.08 a |
Fifth cluster | 0.70±0.05 bc | 1.00±0.16 ab | 1.14±0.10 ab | 0.76±0.03 c | 1.31±0.14 a | 0.66±0.07 c | 0.79±0.08 bc | 0.86±0.07 a |
Sixth cluster | 0.68±0.07 c | 0.74±0.11 b | 0.91±0.06 b | 0.70±0.06 c | 1.07±0.19 a | 0.55±0.09 c | 0.72±0.06 c | 1.09±0.14 a |
表9 聚类结果中各类别的特征描述
Table 9 Characteristic description of each cluster in hierarchical cluster result
Cluster | Average of low potassium tolerance coefficient | |||||||
---|---|---|---|---|---|---|---|---|
X5 | X4 | X3 | X8 | X1 | X6 | X9 | X2 | |
First cluster | 1.20±0.02 a | 1.40±0.08 a | 1.48±0.13 a | 1.16±0.04 a | 1.42±0.13 a | 1.13±0.07 a | 1.13±0.02 a | 0.93±0.10 a |
Second cluster | 1.08±0.06 a | 1.30±0.13 a | 1.36±0.12 a | 1.05±0.05 ab | 1.36±0.07 a | 1.06±0.10 ab | 1.07±0.07 ab | 0.95±0.10 a |
Third cluster | 0.89±0.08 b | 1.10±0.12 ab | 1.52±0.08 a | 0.87±0.04 bc | 1.41±0.23 a | 0.82±0.08 bc | 1.09±0.20 a | 0.86±0.01 a |
Fourth cluster | 0.80±0.04 bc | 1.10±0.12 ab | 1.20±0.09 ab | 0.86±0.06 c | 1.36±0.08 a | 0.82±0.06 bc | 0.85±0.09 abc | 0.92±0.08 a |
Fifth cluster | 0.70±0.05 bc | 1.00±0.16 ab | 1.14±0.10 ab | 0.76±0.03 c | 1.31±0.14 a | 0.66±0.07 c | 0.79±0.08 bc | 0.86±0.07 a |
Sixth cluster | 0.68±0.07 c | 0.74±0.11 b | 0.91±0.06 b | 0.70±0.06 c | 1.07±0.19 a | 0.55±0.09 c | 0.72±0.06 c | 1.09±0.14 a |
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