中国农业科技导报 ›› 2024, Vol. 26 ›› Issue (3): 26-39.DOI: 10.13304/j.nykjdb.2022.0732
李江博(), 高文举, 运晓东, 赵杰银, 耿世伟, 韩春斌, 陈全家, 陈琴(
)
收稿日期:
2022-09-01
接受日期:
2023-02-13
出版日期:
2024-03-15
发布日期:
2024-03-07
通讯作者:
陈琴
作者简介:
李江博 E-mail:760631995@qq.com;
基金资助:
Jiangbo LI(), Wenju GAO, Xiaodong YUN, Jieyin ZHAO, Shiwei GENG, Chunbin HAN, Quanjia CHEN, Qin CHEN(
)
Received:
2022-09-01
Accepted:
2023-02-13
Online:
2024-03-15
Published:
2024-03-07
Contact:
Qin CHEN
摘要:
为研究不同水分胁迫下陆地棉对干旱的响应能力并筛选棉花抗旱关键指标和优异抗旱种质资源,选取30份陆地棉核心种质为试验材料,以全生育期正常灌水处理为对照,设置播种后和花铃期各浇水1次和花铃期断水2次2种胁迫处理,在蕾期、花铃期和吐絮期测定相应指标,通过描述性统计分析、差异分析、主成分分析和相关性分析,采用抗旱综合度量值(D)进行各材料的抗旱性评价。结果表明,干旱胁迫对不同棉花材料的生长发育均有不同程度的影响,播种后和花铃期各浇一水处理的D值离散较大(0.285~0.774),能更清晰地区分不同品种的抗旱性。利用D值可将30份材料分为4类:第Ⅰ类为抗旱材料,包括‘中棉所41’‘新陆早7号’等6个品种;第Ⅱ类为中抗材料,包括‘晋棉46’‘新陆早31号’等11个品种;第Ⅲ类为敏感材料,包括‘中棉所17’‘鲁1138’等5个品种;第Ⅳ类为高敏材料,包括‘新陆中8号’‘酒棉8号’等8个品种。果枝始节数、果枝数、株高、皮面产量和衣分5个指标对干旱较为敏感,可作为棉花抗旱评价的关键指标。以上研究结果可为棉花抗旱育种提供参考。
中图分类号:
李江博, 高文举, 运晓东, 赵杰银, 耿世伟, 韩春斌, 陈全家, 陈琴. 不同水分胁迫处理对陆地棉核心种质资源的影响[J]. 中国农业科技导报, 2024, 26(3): 26-39.
Jiangbo LI, Wenju GAO, Xiaodong YUN, Jieyin ZHAO, Shiwei GENG, Chunbin HAN, Quanjia CHEN, Qin CHEN. Effects of Different Water Stress Treatments on Core Germplasm Resources of Upland Cotton[J]. Journal of Agricultural Science and Technology, 2024, 26(3): 26-39.
编号Code | 品种Variety | 来源Source | 编号Code | 品种Variety | 来源Source |
---|---|---|---|---|---|
1 | 新陆早7号 Xinluzao 7 | 西北内陆 Inland Northwest | 16 | 鲁棉2号 Lumian 2 | 黄河流域 Yellow River basin |
2 | 新陆早31号 Xinluzao 31 | 17 | 鲁原343 Luyuan 343 | ||
3 | 新陆中8号 Xinluzhong 8 | 18 | 鲁1138 Lu 1138 | ||
4 | 酒棉8号 Jiumian 8 | 19 | 运1812 Yun 1812 | ||
5 | 荆55173 Jing 55173 | 长江流域 Yangtze River basin | 20 | 冀丰908 Jifeng 908 | |
6 | 泗168 Si 168 | 21 | 阿肯色971 Akense 971 | 美国 United States | |
7 | 徐州6号 Xuzhou 6 | 22 | GP135 | ||
8 | 中棉所17 Zhongmiansuo 17 | 黄河流域 Yellow River basin | 23 | 岱字棉16号 Daizimian 16 | |
9 | 中棉所41 Zhongmiansuo 41 | 24 | King | ||
10 | 中棉所50 Zhongmiansuo 50 | 25 | MAR-7A-3 | ||
11 | 中棉所60 Zhongmiansuo 60 | 26 | Miscot 7803-52 | ||
12 | 中植86-1 Zhongzhi 86-1 | 27 | 澳SIV2 Ao SIV2 | 澳大利亚 Australia | |
13 | 中远0114 Zhongyuan 0114 | 28 | 非洲棉E-40 Feizhoumian E-40 | 非洲 Africa | |
14 | 晋棉49 Jinmian 49 | 29 | F281 | 法国 France | |
15 | 晋棉46 Jinmian 46 | 30 | 保2367 Bao 2367 | 保加利亚 Bulgaria |
表1 30份棉花资源材料
Table 1 30 cotton materials
编号Code | 品种Variety | 来源Source | 编号Code | 品种Variety | 来源Source |
---|---|---|---|---|---|
1 | 新陆早7号 Xinluzao 7 | 西北内陆 Inland Northwest | 16 | 鲁棉2号 Lumian 2 | 黄河流域 Yellow River basin |
2 | 新陆早31号 Xinluzao 31 | 17 | 鲁原343 Luyuan 343 | ||
3 | 新陆中8号 Xinluzhong 8 | 18 | 鲁1138 Lu 1138 | ||
4 | 酒棉8号 Jiumian 8 | 19 | 运1812 Yun 1812 | ||
5 | 荆55173 Jing 55173 | 长江流域 Yangtze River basin | 20 | 冀丰908 Jifeng 908 | |
6 | 泗168 Si 168 | 21 | 阿肯色971 Akense 971 | 美国 United States | |
7 | 徐州6号 Xuzhou 6 | 22 | GP135 | ||
8 | 中棉所17 Zhongmiansuo 17 | 黄河流域 Yellow River basin | 23 | 岱字棉16号 Daizimian 16 | |
9 | 中棉所41 Zhongmiansuo 41 | 24 | King | ||
10 | 中棉所50 Zhongmiansuo 50 | 25 | MAR-7A-3 | ||
11 | 中棉所60 Zhongmiansuo 60 | 26 | Miscot 7803-52 | ||
12 | 中植86-1 Zhongzhi 86-1 | 27 | 澳SIV2 Ao SIV2 | 澳大利亚 Australia | |
13 | 中远0114 Zhongyuan 0114 | 28 | 非洲棉E-40 Feizhoumian E-40 | 非洲 Africa | |
14 | 晋棉49 Jinmian 49 | 29 | F281 | 法国 France | |
15 | 晋棉46 Jinmian 46 | 30 | 保2367 Bao 2367 | 保加利亚 Bulgaria |
性状 Trait | 处理方式 Treatment | 平均值 Mean | 标准偏差 Standard deviation | 最小值 Min | 最大值 Max | 变异系数 CV/% |
---|---|---|---|---|---|---|
果枝始节数 FNFB | CK | 4.00 | 0.00 | 4.00 | 5.00 | 9.72 |
W1 | 4.00 | 0.00 | 3.00 | 5.00 | 10.32 | |
W2 | 4.00 | 0.00 | 4.00 | 5.00 | 8.85 | |
果枝始节高 HFNFB/cm | CK | 6.76 | 1.79 | 4.77 | 11.18 | 26.48 |
W1 | 8.33 | 1.22 | 5.52 | 11.12 | 14.65 | |
W2 | 6.29 | 1.15 | 4.47 | 8.60 | 18.28 | |
果枝数 FB | CK | 8.00 | 1.00 | 7.00 | 9.00 | 8.96 |
W1 | 7.00 | 1.00 | 6.00 | 9.00 | 10.56 | |
W2 | 7.00 | 0.00 | 6.00 | 8.00 | 6.42 | |
株高 PH/cm | CK | 54.53 | 4.62 | 46.07 | 68.10 | 8.47 |
W1 | 38.72 | 4.38 | 31.35 | 46.05 | 11.31 | |
W2 | 48.39 | 3.68 | 42.10 | 56.50 | 7.60 | |
开花数 FN | CK | 2.00 | 1.00 | 1.00 | 3.00 | 23.04 |
W1 | 2.00 | 0.00 | 1.00 | 2.00 | 16.32 | |
W2 | 2.00 | 0.00 | 1.00 | 3.00 | 20.20 | |
棉铃数 BN | CK | 7.00 | 1.00 | 5.00 | 10.00 | 18.49 |
W1 | 6.00 | 1.00 | 3.00 | 9.00 | 24.14 | |
W2 | 6.00 | 1.00 | 3.00 | 9.00 | 24.38 | |
上五果枝叶片数 LTFFBN | CK | 9.00 | 1.00 | 7.00 | 11.00 | 9.59 |
W1 | 7.00 | 1.00 | 6.00 | 8.00 | 9.24 | |
W2 | 7.00 | 1.00 | 6.00 | 9.00 | 12.17 | |
主茎叶片数 MSLN | CK | 10.00 | 2.00 | 8.00 | 12.00 | 16.93 |
W1 | 9.00 | 1.00 | 7.00 | 10.00 | 12.54 | |
W2 | 9.00 | 1.00 | 7.00 | 11.00 | 9.51 |
表2 30份棉花材料农艺性状的描述性统计
Table 2 Descriptive statistics of agronomic traits of 30 cotton materials
性状 Trait | 处理方式 Treatment | 平均值 Mean | 标准偏差 Standard deviation | 最小值 Min | 最大值 Max | 变异系数 CV/% |
---|---|---|---|---|---|---|
果枝始节数 FNFB | CK | 4.00 | 0.00 | 4.00 | 5.00 | 9.72 |
W1 | 4.00 | 0.00 | 3.00 | 5.00 | 10.32 | |
W2 | 4.00 | 0.00 | 4.00 | 5.00 | 8.85 | |
果枝始节高 HFNFB/cm | CK | 6.76 | 1.79 | 4.77 | 11.18 | 26.48 |
W1 | 8.33 | 1.22 | 5.52 | 11.12 | 14.65 | |
W2 | 6.29 | 1.15 | 4.47 | 8.60 | 18.28 | |
果枝数 FB | CK | 8.00 | 1.00 | 7.00 | 9.00 | 8.96 |
W1 | 7.00 | 1.00 | 6.00 | 9.00 | 10.56 | |
W2 | 7.00 | 0.00 | 6.00 | 8.00 | 6.42 | |
株高 PH/cm | CK | 54.53 | 4.62 | 46.07 | 68.10 | 8.47 |
W1 | 38.72 | 4.38 | 31.35 | 46.05 | 11.31 | |
W2 | 48.39 | 3.68 | 42.10 | 56.50 | 7.60 | |
开花数 FN | CK | 2.00 | 1.00 | 1.00 | 3.00 | 23.04 |
W1 | 2.00 | 0.00 | 1.00 | 2.00 | 16.32 | |
W2 | 2.00 | 0.00 | 1.00 | 3.00 | 20.20 | |
棉铃数 BN | CK | 7.00 | 1.00 | 5.00 | 10.00 | 18.49 |
W1 | 6.00 | 1.00 | 3.00 | 9.00 | 24.14 | |
W2 | 6.00 | 1.00 | 3.00 | 9.00 | 24.38 | |
上五果枝叶片数 LTFFBN | CK | 9.00 | 1.00 | 7.00 | 11.00 | 9.59 |
W1 | 7.00 | 1.00 | 6.00 | 8.00 | 9.24 | |
W2 | 7.00 | 1.00 | 6.00 | 9.00 | 12.17 | |
主茎叶片数 MSLN | CK | 10.00 | 2.00 | 8.00 | 12.00 | 16.93 |
W1 | 9.00 | 1.00 | 7.00 | 10.00 | 12.54 | |
W2 | 9.00 | 1.00 | 7.00 | 11.00 | 9.51 |
性状 Trait | 处理方式 Treatment | 平均值 Mean | 标准偏差 Standard deviation | 最小值 Min | 最大值 Max | 变异系数 CV/% |
---|---|---|---|---|---|---|
籽棉产量 CSY/g | CK | 106.35 | 9.92 | 88.33 | 129.82 | 9.33 |
W1 | 80.80 | 8.34 | 66.33 | 97.61 | 10.32 | |
W2 | 89.34 | 12.34 | 57.04 | 116.30 | 13.81 | |
皮棉产量 CLY/g | CK | 45.54 | 5.18 | 32.88 | 56.36 | 11.37 |
W1 | 30.20 | 4.96 | 18.45 | 38.90 | 16.42 | |
W2 | 35.76 | 4.38 | 27.40 | 44.20 | 12.25 | |
衣分 LP/% | CK | 0.43 | 0.04 | 0.34 | 0.49 | 9.30 |
W1 | 0.37 | 0.06 | 0.26 | 0.54 | 16.22 | |
W2 | 0.40 | 0.05 | 0.34 | 0.51 | 12.50 | |
单株产量 YPP/g | CK | 33.26 | 10.19 | 17.51 | 55.72 | 30.64 |
W1 | 19.33 | 5.81 | 10.50 | 38.53 | 30.06 | |
W2 | 25.54 | 9.05 | 10.97 | 45.92 | 35.43 |
表2 30份棉花材料农艺性状的描述性统计 (续表Continued)
Table 2 Descriptive statistics of agronomic traits of 30 cotton materials
性状 Trait | 处理方式 Treatment | 平均值 Mean | 标准偏差 Standard deviation | 最小值 Min | 最大值 Max | 变异系数 CV/% |
---|---|---|---|---|---|---|
籽棉产量 CSY/g | CK | 106.35 | 9.92 | 88.33 | 129.82 | 9.33 |
W1 | 80.80 | 8.34 | 66.33 | 97.61 | 10.32 | |
W2 | 89.34 | 12.34 | 57.04 | 116.30 | 13.81 | |
皮棉产量 CLY/g | CK | 45.54 | 5.18 | 32.88 | 56.36 | 11.37 |
W1 | 30.20 | 4.96 | 18.45 | 38.90 | 16.42 | |
W2 | 35.76 | 4.38 | 27.40 | 44.20 | 12.25 | |
衣分 LP/% | CK | 0.43 | 0.04 | 0.34 | 0.49 | 9.30 |
W1 | 0.37 | 0.06 | 0.26 | 0.54 | 16.22 | |
W2 | 0.40 | 0.05 | 0.34 | 0.51 | 12.50 | |
单株产量 YPP/g | CK | 33.26 | 10.19 | 17.51 | 55.72 | 30.64 |
W1 | 19.33 | 5.81 | 10.50 | 38.53 | 30.06 | |
W2 | 25.54 | 9.05 | 10.97 | 45.92 | 35.43 |
性状 Trait | 胁迫处理Stress treatment | |
---|---|---|
W1 | W2 | |
果枝始节数 FNFB | 5.96 | 9.37 |
果枝始节高 HFNFB | 57.55 | 36.62 |
果枝数 FB | 16.40 | 33.04 |
株高 PH | 28.71 | 10.79 |
开花数 FN | 34.19 | 13.17 |
棉铃数 BN | 26.49 | 27.46 |
上五果枝叶片数 LTFFBN | 3.79 | 23.72 |
主茎叶片数 MSLN | 29.75 | 56.13 |
籽棉产量 CSY | 10.12 | 38.76 |
皮棉产量 CLY | 36.33 | 7.40 |
衣分 LP | 54.19 | 29.33 |
单株产量 YPP | 1.91 | 14.52 |
表3 不同处理下的干旱变异指数
Table 3 Drought variability index under different treatment (%)
性状 Trait | 胁迫处理Stress treatment | |
---|---|---|
W1 | W2 | |
果枝始节数 FNFB | 5.96 | 9.37 |
果枝始节高 HFNFB | 57.55 | 36.62 |
果枝数 FB | 16.40 | 33.04 |
株高 PH | 28.71 | 10.79 |
开花数 FN | 34.19 | 13.17 |
棉铃数 BN | 26.49 | 27.46 |
上五果枝叶片数 LTFFBN | 3.79 | 23.72 |
主茎叶片数 MSLN | 29.75 | 56.13 |
籽棉产量 CSY | 10.12 | 38.76 |
皮棉产量 CLY | 36.33 | 7.40 |
衣分 LP | 54.19 | 29.33 |
单株产量 YPP | 1.91 | 14.52 |
图1 不同处理下12个指标的差异注:*、**和***分别表示不同处理间的差异在P<0.05、P<0.01和P<0.001水平显著。
Fig. 1 Differences of 12 indicators under different treatmentsNote: *, ** and *** indicate significant differences between treatments at P<0.05, P<0.01 and P<0.001 levels, respectively.
性状 Trait | 主成分Principal component | ||||
---|---|---|---|---|---|
1 | 2 | 3 | 4 | 5 | |
果枝始节数 FNFB | 0.666 | 0.317 | -0.130 | 0.063 | 0.072 |
果枝始节高 HFNFB | 0.750 | 0.212 | 0.397 | 0.036 | 0.122 |
果枝数 FB | 0.549 | -0.042 | -0.561 | 0.312 | -0.149 |
株高 PH | 0.244 | 0.484 | -0.337 | -0.104 | 0.662 |
开花数 FN | -0.386 | 0.579 | 0.144 | -0.420 | -0.121 |
棉铃数 BN | 0.546 | -0.152 | 0.392 | 0.412 | -0.414 |
上五果枝叶片 LTFFBN | -0.303 | 0.380 | -0.272 | 0.618 | 0.034 |
主茎叶片数 MSLN | 0.783 | -0.198 | 0.252 | 0.045 | 0.324 |
籽棉产量 CSY | -0.465 | 0.366 | 0.052 | 0.562 | 0.090 |
皮棉产量 CLY | 0.088 | 0.925 | 0.019 | 0.072 | -0.228 |
衣分 LP | 0.406 | 0.746 | -0.028 | -0.301 | -0.308 |
单株产量 YPP | -0.329 | 0.310 | 0.680 | 0.221 | 0.293 |
特征值 Eigenvalue | 3.015 | 2.564 | 1.381 | 1.303 | 1.014 |
贡献率 Contribute rate/% | 25.128 | 21.365 | 11.506 | 10.862 | 8.447 |
累计贡献率 Cumulative contribute rate/% | 25.128 | 46.493 | 57.998 | 68.86 | 77.307 |
表4 W1处理下PCA因子载荷矩阵和贡献率
Table 4 PCA factor loading matrix and contribution rate under W1 treatment
性状 Trait | 主成分Principal component | ||||
---|---|---|---|---|---|
1 | 2 | 3 | 4 | 5 | |
果枝始节数 FNFB | 0.666 | 0.317 | -0.130 | 0.063 | 0.072 |
果枝始节高 HFNFB | 0.750 | 0.212 | 0.397 | 0.036 | 0.122 |
果枝数 FB | 0.549 | -0.042 | -0.561 | 0.312 | -0.149 |
株高 PH | 0.244 | 0.484 | -0.337 | -0.104 | 0.662 |
开花数 FN | -0.386 | 0.579 | 0.144 | -0.420 | -0.121 |
棉铃数 BN | 0.546 | -0.152 | 0.392 | 0.412 | -0.414 |
上五果枝叶片 LTFFBN | -0.303 | 0.380 | -0.272 | 0.618 | 0.034 |
主茎叶片数 MSLN | 0.783 | -0.198 | 0.252 | 0.045 | 0.324 |
籽棉产量 CSY | -0.465 | 0.366 | 0.052 | 0.562 | 0.090 |
皮棉产量 CLY | 0.088 | 0.925 | 0.019 | 0.072 | -0.228 |
衣分 LP | 0.406 | 0.746 | -0.028 | -0.301 | -0.308 |
单株产量 YPP | -0.329 | 0.310 | 0.680 | 0.221 | 0.293 |
特征值 Eigenvalue | 3.015 | 2.564 | 1.381 | 1.303 | 1.014 |
贡献率 Contribute rate/% | 25.128 | 21.365 | 11.506 | 10.862 | 8.447 |
累计贡献率 Cumulative contribute rate/% | 25.128 | 46.493 | 57.998 | 68.86 | 77.307 |
性状 Trait | 主成分Principal component | |||
---|---|---|---|---|
PC1 | PC2 | PC3 | PC4 | |
果枝始节数 FNFB | 0.430 | -0.107 | 0.495 | 0.392 |
果枝始节高 HFNFB | 0.652 | -0.393 | 0.396 | 0.080 |
果枝数 FB | 0.492 | 0.079 | 0.420 | 0.285 |
株高 PH | 0.382 | 0.528 | 0.204 | -0.195 |
开花数 FN | -0.568 | 0.029 | 0.094 | 0.518 |
棉铃数 BN | 0.246 | 0.400 | -0.484 | 0.520 |
上五果枝叶片 LTFFBN | 0.459 | 0.065 | -0.250 | 0.545 |
主茎叶片数 MSLN | 0.644 | -0.512 | 0.203 | -0.205 |
籽棉产量 CSY | -0.688 | -0.354 | 0.415 | 0.202 |
皮棉产量 CLY | -0.291 | 0.550 | 0.616 | -0.042 |
衣分 LP | 0.432 | 0.792 | 0.072 | -0.180 |
单株产量 YPP | 0.432 | -0.338 | -0.385 | -0.079 |
特征值 Eigenvalue | 2.938 | 2.048 | 1.670 | 1.238 |
贡献率 Contribute rate/% | 24.480 | 17.064 | 13.916 | 10.319 |
累计贡献率 Cumulative contribute rate/% | 24.480 | 41.543 | 55.459 | 65.778 |
表5 W2处理下PCA因子载荷矩阵和贡献率
Table 5 PCA factor loading matrix and contribution rate under W2 treatment
性状 Trait | 主成分Principal component | |||
---|---|---|---|---|
PC1 | PC2 | PC3 | PC4 | |
果枝始节数 FNFB | 0.430 | -0.107 | 0.495 | 0.392 |
果枝始节高 HFNFB | 0.652 | -0.393 | 0.396 | 0.080 |
果枝数 FB | 0.492 | 0.079 | 0.420 | 0.285 |
株高 PH | 0.382 | 0.528 | 0.204 | -0.195 |
开花数 FN | -0.568 | 0.029 | 0.094 | 0.518 |
棉铃数 BN | 0.246 | 0.400 | -0.484 | 0.520 |
上五果枝叶片 LTFFBN | 0.459 | 0.065 | -0.250 | 0.545 |
主茎叶片数 MSLN | 0.644 | -0.512 | 0.203 | -0.205 |
籽棉产量 CSY | -0.688 | -0.354 | 0.415 | 0.202 |
皮棉产量 CLY | -0.291 | 0.550 | 0.616 | -0.042 |
衣分 LP | 0.432 | 0.792 | 0.072 | -0.180 |
单株产量 YPP | 0.432 | -0.338 | -0.385 | -0.079 |
特征值 Eigenvalue | 2.938 | 2.048 | 1.670 | 1.238 |
贡献率 Contribute rate/% | 24.480 | 17.064 | 13.916 | 10.319 |
累计贡献率 Cumulative contribute rate/% | 24.480 | 41.543 | 55.459 | 65.778 |
品种名Variety | 胁迫ⅠW1 | 胁迫Ⅱ W2 | ||
---|---|---|---|---|
D值 D value | 排序 Ranking | D值 D value | 排序 Ranking | |
中棉所41 Zhongmiansuo 41 | 0.774 | 1 | 0.595 | 6 |
晋棉46 Jinmian 46 | 0.717 | 2 | 0.515 | 11 |
新陆早7号Xinluzao 7 | 0.683 | 3 | 0.697 | 1 |
中棉所60 Zhongmiansuo 60 | 0.674 | 4 | 0.497 | 14 |
Miscot7803-52 | 0.658 | 5 | 0.441 | 20 |
荆55173 Jing 55173 | 0.655 | 6 | 0.511 | 12 |
岱字棉16号Daizimian 16 | 0.649 | 7 | 0.423 | 21 |
GP135 | 0.642 | 8 | 0.556 | 8 |
MAR-7A-3 | 0.639 | 9 | 0.631 | 4 |
King | 0.614 | 10 | 0.442 | 18 |
冀丰908 Jifeng 908 | 0.610 | 11 | 0.611 | 5 |
晋棉49 Jinmian 49 | 0.605 | 12 | 0.476 | 16 |
非洲棉E-40 Feizhoumian E-40 | 0.599 | 13 | 0.519 | 10 |
新陆早31号Xinluzao 31 | 0.597 | 14 | 0.574 | 7 |
泗168 Si 168 | 0.549 | 15 | 0.636 | 3 |
酒棉8号Jiumian 8 | 0.542 | 16 | 0.231 | 30 |
中植86-1 Zhongzhi 86-1 | 0.533 | 17 | 0.529 | 9 |
阿肯色971 Akense 971 | 0.525 | 18 | 0.321 | 25 |
F281 | 0.516 | 19 | 0.350 | 23 |
徐州6号Xuzhou 6 | 0.515 | 20 | 0.687 | 2 |
澳SIV2 Ao SIV2 | 0.500 | 21 | 0.300 | 26 |
保2367 Bao 2367 | 0.481 | 22 | 0.283 | 28 |
鲁1138 Lu 1138 | 0.468 | 23 | 0.453 | 17 |
中棉所17 Zhongmiansuo 17 | 0.447 | 24 | 0.396 | 22 |
鲁原343 Luyuan 343 | 0.424 | 25 | 0.296 | 27 |
运1812 Yun 1812 | 0.423 | 26 | 0.322 | 24 |
中远0114 Zhongyuan 0114 | 0.400 | 27 | 0.490 | 15 |
鲁棉2号Lumian 2 | 0.354 | 28 | 0.504 | 13 |
新陆中8号Xinluzhong 8 | 0.302 | 29 | 0.246 | 29 |
中棉所50 Zhongmainsuo 50 | 0.285 | 30 | 0.442 | 19 |
表6 不同胁迫处理下各品种的D值
Table 6 D value of varieties under different stress treatments
品种名Variety | 胁迫ⅠW1 | 胁迫Ⅱ W2 | ||
---|---|---|---|---|
D值 D value | 排序 Ranking | D值 D value | 排序 Ranking | |
中棉所41 Zhongmiansuo 41 | 0.774 | 1 | 0.595 | 6 |
晋棉46 Jinmian 46 | 0.717 | 2 | 0.515 | 11 |
新陆早7号Xinluzao 7 | 0.683 | 3 | 0.697 | 1 |
中棉所60 Zhongmiansuo 60 | 0.674 | 4 | 0.497 | 14 |
Miscot7803-52 | 0.658 | 5 | 0.441 | 20 |
荆55173 Jing 55173 | 0.655 | 6 | 0.511 | 12 |
岱字棉16号Daizimian 16 | 0.649 | 7 | 0.423 | 21 |
GP135 | 0.642 | 8 | 0.556 | 8 |
MAR-7A-3 | 0.639 | 9 | 0.631 | 4 |
King | 0.614 | 10 | 0.442 | 18 |
冀丰908 Jifeng 908 | 0.610 | 11 | 0.611 | 5 |
晋棉49 Jinmian 49 | 0.605 | 12 | 0.476 | 16 |
非洲棉E-40 Feizhoumian E-40 | 0.599 | 13 | 0.519 | 10 |
新陆早31号Xinluzao 31 | 0.597 | 14 | 0.574 | 7 |
泗168 Si 168 | 0.549 | 15 | 0.636 | 3 |
酒棉8号Jiumian 8 | 0.542 | 16 | 0.231 | 30 |
中植86-1 Zhongzhi 86-1 | 0.533 | 17 | 0.529 | 9 |
阿肯色971 Akense 971 | 0.525 | 18 | 0.321 | 25 |
F281 | 0.516 | 19 | 0.350 | 23 |
徐州6号Xuzhou 6 | 0.515 | 20 | 0.687 | 2 |
澳SIV2 Ao SIV2 | 0.500 | 21 | 0.300 | 26 |
保2367 Bao 2367 | 0.481 | 22 | 0.283 | 28 |
鲁1138 Lu 1138 | 0.468 | 23 | 0.453 | 17 |
中棉所17 Zhongmiansuo 17 | 0.447 | 24 | 0.396 | 22 |
鲁原343 Luyuan 343 | 0.424 | 25 | 0.296 | 27 |
运1812 Yun 1812 | 0.423 | 26 | 0.322 | 24 |
中远0114 Zhongyuan 0114 | 0.400 | 27 | 0.490 | 15 |
鲁棉2号Lumian 2 | 0.354 | 28 | 0.504 | 13 |
新陆中8号Xinluzhong 8 | 0.302 | 29 | 0.246 | 29 |
中棉所50 Zhongmainsuo 50 | 0.285 | 30 | 0.442 | 19 |
图2 W1处理各性状与D值的相关性注:*和**分别表示相关在P<0.05和P<0.01水平显著。
Fig. 2 Correlations between traits of W1 treatment and D valueNote: * and ** mean significant correlations at P<0.05 and P<0.01 levels,respectively.
图3 W2处理各性状与D值的相关性注:*和**分别表示相关在P<0.05和 P<0.01 水平显著。
Fig. 3 Correlations between traits of W2 treatment and D valueNote: * and ** mean significant correlations at P<0.05 and P<0.01 levels,respectively.
图4 2种胁迫下D值聚类注:D1—胁迫处理Ⅰ抗旱性综合度量值;D2—胁迫处理Ⅱ抗旱性综合度量值。
Fig. 4 Clustering of D values under two stressesNote:D1—Drought resistance comprehensive evaluation values in stress treatment Ⅰ; D2—Drought resistance comprehensive evaluation values in stress treatment Ⅱ.
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