Evaluation of Saline-alkaline Tolerant Rice Varieties for Cultivation in Yinbei Region of Ningxia Province
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摘要:
目的 对耐盐碱水稻品种进行综合分析,以期筛选出适合宁夏引黄灌区种植的耐盐碱水稻材料。 方法 以本地品种宁粳45号为对照,对12份耐盐碱水稻品种(系)在该地区2年环境下观测其生育时期变化,并于成熟期测定株高、有效穗数、穗长、每穗总粒数、每穗实粒数、单穗粒重、有效穗数、千粒重、产量、糙米率、精米率、整精米率、垩白粒率、垩白度、长宽比、蛋白质含量、直链淀粉含量17个产量和品质相关性状,并通过相关性分析、主成分分析及隶属函数分析,对各材料的耐盐碱适应性进行综合评价。 结果 利用主成分分析将盐碱胁迫下的17个指标转化成5个相互独立的综合指标,累计贡献率达90.04%;进一步通过隶属函数分析计算13份材料的D值,依据D值得到各供试材料的综合耐盐碱适应性排序:黑006 >松粳12号>20200801>宁粳45(CK)>松粳9号>金糯6号>新稻28 >辽粳828 >2020810>港源11>新策粳1号>海粳20香,其中黑006、2020801和松粳12号的D值高于本地品种宁粳45号。 结论 黑006、2020801和松粳12号可作为宁夏耐盐碱水稻种质资源在银北地区进行试种。 Abstract:Objective Saline-alkaline tolerance of rice varieties was evaluated for the crop cultivation in Yinbei region of Ningxia province. Methods In the salt-alkaline fields, 12 rice varieties (lines) showing a tolerance to the conditions, along with the local Ningjing No. 45 as control, were planted to observe their growth and adaptability to the environment for 2 consecutive years. A total of 17 various yield and quality traits, including plant height, effective panicle number, panicle length, total grain number per panicle, filled grain number per panicle, grain weight per panicle, effective panicle number per plant, 1000-grain weight, yield, brown rice rate, milled rice rate, head milled rice rate, chalky grain rate, chalkiness,length-width ratio as well as protein and amylose contents, were measured at maturation. The data were statistically analyzed for correlation, protein content, and membership functions. Result The 17 quality indicators of the rice grown under saline-alkaline stress were grouped into 5 indices that provided a cumulative contribution rate of 91.05% by a principal component analysis for comprehensive comparison. The D values generated by the membership function analysis ranked the 13 rice specimens in degree of the tolerance as Hei 006>Songjing No. 12>202008013>Ningjing No. 45 (CK)>Songjing No. 9>Jinnuo No. 6>Xindao 28>Liaojing 828>2020810>Gangyuan 11>Xincejing No. 1>Haijing-20-Xiang. Conclusion Being rated higher than control on the tolerance and adaptability to salt and alkalinity, Hei 006, 2020801, and Songjing 12 were recommended for further testing as the potential germplasms for cultivation on the likewise soils in the region. -
表 1 供试材料名称及来源
Table 1. Name and source of test materials
名称
Name来源
Source名称
Name来源
Source港源11
Gangyuan 11青岛海水稻研究发展中心
Qingdao Sea Rice Research and Development Center吉粳88
Jijing 88青岛海水稻研究发展中心
Qingdao Sea Rice research and development center辽粳828
Liaojing 828青岛海水稻研究发展中心
Qingdao Sea Rice Research and Development Center新策粳1号
Xincejing No.1青岛海水稻研究发展中心
Qingdao Sea Rice Research and Development Center松粳12号
Songjing No.12青岛海水稻研究发展中心
Qingdao Sea Rice Research and Development Center海粳20香
Haijing20xiang青岛海水稻研究发展中心
Qingdao Sea Rice research and development center松粳9号
Songjing No. 9青岛海水稻研究发展中心
Qingdao Sea Rice Research and Development Center2020801 青岛海水稻研究发展中心
Qingdao Sea Rice Research and Development Center新稻28
Xindao 28青岛海水稻研究发展中心
Qingdao Sea Rice Research and Development Center2020810 青岛海水稻研究发展中心
Qingdao Sea Rice Research and Development Center金糯6号
Jinnuo No.6青岛海水稻研究发展中心
Qingdao Sea Rice research and development center宁粳45号
Ningjing No.45宁夏推广品种
Promotion varieties in Ningxia黑006
Hei006青岛海水稻研究发展中心
Qingdao Sea Rice Research and Development Center表 2 供试土壤基本理化性质
Table 2. Basic physiochemical properties of tested soil
年份
Year土壤深度
Soil depth/
cm全盐含量
Total salt content/
(g·kg−1)pH 有机质含量
Organic matter
content/(g·kg−1)速效磷
Available phosphorus/
(mg·kg−1)速效钾
Available
potassium/(mg·kg−1)碱解氮
Alkali-hydrolyzable
nitrogen/(mg·kg−1)2020年
20200–20 2.98 8.27 12.35 37.51 161.40 86.80 20-40 2.62 8.37 7.79 33.63 157.79 78.40 2021年
20210–20 2.81 8.17 12.44 38.34 150.25 84.50 20–40 2.53 8.20 7.74 34.12 149.36 77.00 表 3 供试13份水稻品种生育期
Table 3. Growth periods of 13 rice varieties
品种
Variety生育期 Growth period 育秧日期(月-日)
Seedling date
(Month-Day)移栽日期(月-日)
Transplant date
(Month-Day)始穗期(月-日)
The beginning of the
spike (Month-Day)齐穗期(月-日)
Full heading
(Month-Day)成熟期(月-日)
Maturity
(Month-Day)全生育期
Full birth
period/d2020年 2021年 2020年 2021年 2020年 2021年 2020年 2021年 2020年 2021年 2020年 2021年 港源11
Gangyuan 1104-26 04-26 05-28 05-28 08-04 08-04 08-11 08-12 09-27 09-25 154±1.0 a 152±1.1 bc
辽粳828
Liaojing 82804-26 04-26 05-28 05-28 08-06 08-06 08-09 08-09 09-27 09-26 154±1.0 a 153±1.0 ab 松粳12号
Songjing No.1204-26 04-26 05-28 05-28 07-28 07-29 08-02 08-03 09-11 09-12 138±1.3 e 139±1.0 f 松粳9号
Songjing No. 904-26 04-26 05-28 05-28 07-18 07-19 07-21 07-22 09-11 09-12 138±1.3 e 139±1.3 f 新稻28
Xindao 2804-26 04-26 05-28 05-28 08-06 08-07 08-11 08-11 09-27 09-27 154±1.0 a 154±1.3 a 金糯6号
Jinnuo No.604-26 04-26 05-28 05-28 08-11 08-12 08-14 08-14 09-27 09-26 154±1.0 a 153±1.0 ab 黑006
Hei 00604-26 04-26 05-28 05-28 08-06 08-06 08-09 08-10 09-24 09-24 151±1.6 b 151±1.3 c 吉粳88
Jijing 8804-26 04-26 05-28 05-28 08-06 08-06 08-09 08-10 09-22 09-22 149±1.3 c 149±1.0 d 新策粳1号
Xincejing No.1
04-26 04-26 05-28 05-28 08-06 08-06 08-09 08-10 09-27 09-26 154±1.0 a 153±1.0 ab 海粳20香
Haijing20 xiang04-26 04-26 05-28 05-28 08-07 08-07 08-11 08-11 09-27 09-26 154±1.0 a 153±1.3 ab 2020801 04-26 04-26 05-28 05-28 08-01 08-02 08-06 08-07 09-11 09-12 138±1.0 e 139±1.0 f 2020810 04-26 04-26 05-28 05-28 07-26 07-28 07-29 07-30 09-6 09-6 133±1.3 f 133±1.0 g 宁粳45(CK)
Ningjing No.4504-26 04-26 05-28 05-28 08-02 08-03 08-07 08-07 09-20 09-19 147±1.0 d 146±1.0 e 表 4 2020–2021年供试材料产量构成因素
Table 4. Production components of participating materials from 2020 to 2021
年份
Year品种
Variety穗长
Ear
length/ cm有效穗数
Effective panicles/
(×104·hm−2)每穗总粒数
Spikelets
per panicle每穗实
粒数
Grain density单穗粒重
Spikelets
per
weight/g千粒重
1000-grain
weight/g结实率
Seed
setting
rate/%株高
Plant
height/cm产量
Yield/
(t·hm−2)排名
Rank2020年
2020港源11
Gangyuan 1115.6±0.4 fg 375.6±2.65 j 141.8±16.86 c 116.0±3.53 c 2.51±0.13 d 21.1±0.42 j 81.8±0.08 h 90.1±1.42 j 7.83±0.07 i 9 辽粳828
Liaojing 82814.6±0.46 i 450.0±1.87 h 104.6±4.33 g 90.8±3.14 f 2.31±0.24 e 21.9±0.57 f 86.8±0.15 a 85.4±1.36 l 7.62±0.15 j 10 松粳12号
Songjing No.1216.6±0.21 d 448.5±0.75 h 105.0±5.35 f 90.2±2.32 g 1.88±0.06 g 25.3±0.56 b 85.9±0.25 c 95.1±2.86 e 8.67±0.27 d 4 松粳9号
Songjing No. 915.5±0.21 gh 555.0±1.45 c 90.4±2.68 i 72±1.54 i 2.10±0.15 f 24.6±0.27 c 79.6±0.19 k 92.7±1.75 g 8.36±0.11 f 6 新稻28
Xindao 2814.0±0.18 j 586.5±0.95 b 80.6±4.63 k 66.6±0.89 k 1.51±0.11 i 21.1±0.24 j 82.6±0.34 j 82.2±1.94 m 7.01±0.18 l 12 金糯6号
Jinnuo 617.2±1.57 b 537.0±0.97 d 87.0±3.26 j 71.8±2.49 j 2.13±0.25 f 25.6±0.76 a 82.5±0.06 j 87.1±3.27 k 8.39±0.06 e 5 黑006
Hei 00617.6±0.75 a 351.0±3.86 j 165.4±13.39 a 141±6.47 a 3.06±0.31 a 23.0±0.64 e 85.2±0.07 e 90.6±2.63 i 9.68±0.23 b 2 吉粳88
Jijing 8815.4±0.58 gh 457.5±2.15 g 123.6±5.64 d 104.3±2.48 d 2.12±0.16 f 20.2±0.29 k 84.4±0.24 f 92.3±3.26 h 8.18±0.33 g 7 新策粳1号
Xincejing No.115.7±0.39 f 394.5±2.46 i 108.6±4.60 e 93.5±3.16 e 2.71±0.19 bc 24.2±0.35 d 86.1±0.18 b 97.1±2.18 d 7.57±0.28 k 11 海粳20香
Haijing20 xiang14.1±1.86 j 508.5±2.63 f 74.8±6.37 m 64.0±0.64 m 1.70±0.05 h 24.6±0.47 c 85.6±0.37 d 93.3±0.96 f 6.82±0.13 m 13
202080116.0±0.19 e 295.5±1.46 l 144.0±13.94 b 117.3±4.27 b 2.82±0.09 b 25.3±0.19 b 81.5±0.24 i 107.2±2.47 a 9.81±0.24 a 1 2020810 14.5±2.34 i 513.0±1.53 e 93.4±2.32 h 74.6±4.92 h 2.22±0.14 ef 24.5±0.26 c 79.9±0.21 j 106.2±1.85 b 7.98±0.37 h 8 宁粳45(CK)
Ningjing No.4516.8±0.46 c 681.0±0.64 a 76±3.45 l 65.3±1.37 l 2.57±0.21 cd 24.5±0.38 c 85.9±0.35 c 98.8±3.68 c 9.26±0.15 c 3 2021年
2021港源11
Gangyuan 1115.8±0.34 e 468.0±1.95 f 138.0±7.92 b 111.0±2.63 b 2.51±0.24 de 21.1±0.23 k 80.4±0.06 i 91.7±2.94 g 7.71±0.27 i 9 辽粳828
Liaojing 82814.7±0.46 h 489.0±2.01 e 110.0±5.27 f 97.4±2.17 e 2.31±0.06 fg 22.0±0.64 j 88.5±0.28 a 86.4±1.84 k 7.68±0.28 j 10 松粳12号
SongjingNo.1216.7±0.28 d 448.5±3.75 g 100.0±8.46 g 85.0±1.53 f 2.19±0.13 g 24.3±0.18 d 85.0±0.16 d 94.3±0.84 e 8.56±0.04 d 4 松粳9号
Songjing No. 915.1±0.40 g 489.0±2.24 e 87.3±6.39 i 69.0±0.46 j 2.14±0.21 g 24.0±0.51 e 79.0±0.25 j 92.6±3.18 f 8.13±0.10 f 6 新稻28
Xindao 2814.3±1.87 i 496.5±2.18 d 82.0±3.57 k 68.2±0.84 k 1.63±0.08 h 22.6±0.27 h 82.6±0.06 g 84.6±3.72 l 7.23±0.24 l 12 金糯6号
Jinnuo No.617.2±0.47 b 537.0±1.88 b 87.0±4.74 j 72.3±2.43 h 2.20±0.14 g 24.5±0.34 c 83.1±0.19 f 89.4±2.47 j 8.44±0.09 e 5 黑006
Hei 00617.6±0.65 a 406.5±2.10 h 161.3±17.39 a 137.0±12.03 a 3.11±0.29 a 23.0±0.73 g 84.9±0.24 d 91.3±3.26 h 9.44±0.26 b 2 吉粳88
Jijing 8815.4±0.96 f 391.5±1.97 i 119.0±5.24 d 100.0±6.35 c 2.42±0.12 ef 22.2±0.42 i 84.0±0.31 e 91.0±1.47 i 8.05±0.18 g 7 新策粳1号
Xincejing No.115.7±0.35 e 406.5±3.26 h 112.3±7.96 e 97.8±3.72 d 2.71±0.17 bc 23.2±0.33 f 87.1±0.31 c 97.2±2.29 c 7.49±0.21 k 11 海粳20香
Haijing20 xiang14.3±2.25 i 448.5±2.05 g 73.8±3.35 m 65.3±1.31 l 1.60±0.08 h 24.3±0.47 d 88.5±0.28 a 94.3±3.48 e 6.87±0.14 m 13 2020801 15.8±0.38 e 529.5±0.79 c 135.3±1.91 c 111.0±6.07 b 2.82±0.26 b 25.3±0.32 a 82.0±0.03 h 109±2.54 a 9.49±0.37 a 1 2020810 14.6±1.83 h 529.5±2.49 c 95.6±2.34 h 74.8±2.64 g 2.22±0.16 g 24.7±0.17 b 78.3±0.11 k 108.4±1.48 b 7.93±0.22 h 8 宁粳45(CK)
NingjingNo.4517.0±0.64 c 615.0±1.35 a 80.0±3.57 l 70.6±3.29 i 2.61±0.18 cd 24.3±0.73 d 88.3±0.39 b 96±2.29 d 9.37±0.11 c 3 同一年份同列数据后含不相同字母表示差异显著(P<0.05)。下同。
Data with different letters on same column (year) indicate significant differences at P<0.05. The same as below.表 5 2020-2021年供试材料品质指标
Table 5. Quality indicators of tested materials from 2020 to 2021
年份
Year品种
Variety垩白粒率
Chalkiness
grain rate/%垩白度
Chalkiness
degree/%长宽比
Length-width ratio出糙率
Roughness
rate/%精米率
Millimeter
rate/%整精米率
Whole milled
rice rate/%直链淀粉含量
Amylose starch
content/%蛋白质含量
Protein
content/%2020年
2020港源11
Gangyuan 1111.71±3.01 g 5.60±0.42 f 1.71±0.05 g 69.82±0.20 l 59.15±0.75 l 49.82±1.42 l 17.34±0.15 e 8.46±0.11 c 辽粳828
Liaojing 82830.00±5.21 c 7.32±0.63 d 1.81±0.03 f 85.65±1.31 b 78.64±1.92 b 67.66±0.41 b 12.65±0.86 k 7.21±0.15 k 松粳12号
Songjing No.121.60±0.75 m 2.20±0.28 j 1.61±0.10 h 87.98±0.12 a 78.90±1.24 a 69.84±1.16 a 17.26±0.17 g 8.33±0.24 e 松粳9号
Songjing No. 93.00±1.42 k 0.66±0.14 m 1.61±0.06 h 75.54±0.41 k 67.40±0.87 j 58.80±0.53 i 17.57±0.10 d 8.74±0.17 a 新稻28
Xindao 282.60±0.83 l 1.10±0.41 l 1.81±0.04 f 77.04±0.17 j 68.14±0.22 i 58.20±0.50 j 16.79±0.16 h 8.41±0.23 d 金糯6号
Jinnuo No.631.00±4.28 b 18.16±1.69 a 1.91±0.03 e 82.40±1.22 d 75.45±0.64 e 66.58±0.16 d 14.23±0.21 j 7.72±0.35 h 黑006
Hei 0065.80±2.93 j 1.50±0.32 k 1.81±0.09 f 80.45±1.40 e 74.76±0.98 g 65.68±0.10 f 18.68±0.33 a 8.26±0.19 f 吉粳88
Jijing 8811.00±4.37 h 3.80±0.29 i 2.08±0.25 b 77.34±0.49 i 62.47±0.12 k 56.34±0.10 k 17.87±0.25 c 7.69±0.07 j 新策粳1号
Xincejing No.118.80±3.69 e 4.42±0.31 h 2.31±0.18 a 61.08±0.75 m 52.06±0.21 m 43.56±0.44 m 15.06±0.34 i 7.73±0.35 h 海粳20香
Haijing20 xiang34.00±4.68 a 10.00±1.15 b 1.81±0.07 f 77.65±1.35 h 70.71±0.38 h 62.56±0.32 h 11.34±0.08 l 7.31±0.30 j 2020801 17.33±0.86 f 6.90±0.74 e 1.50±0.03 i 82.47±4.29 c 76.63±0.61 c 66.00±0.72 e 17.86±0.26 c 8.50±0.26 b 2020810 28.67±0.43 d 8.50±0.69 c 2.00±0.14 c 80.2±0.49 g 75.12±1.25 f 65.07±0.31 g 17.90±0.57 b 8.00±0.31 g 宁粳45(CK)
Ningjing No.4510.73±6.72 i 4.54±0.28 g 1.97±0.08 d 80.35±1.78 f 76.09±1.74 d 67.27±0.96 c 17.30±0.28 f 6.50±0.28 l 2021年
2021港源11
Gangyuan 1112.03±2.51 h 3.60±0.08 g 1.70±0.04 e 70.17±0.58 k 60.72±0.85 l 50.82±0.45 k 17.83±0.43 f 8.24±0.43 d 辽粳828
Liaojing 82827.60±4.85 b 6.30±0.49 e 1.80±0.03 d 86.69±5.17 a 76.84±1.08 c 68.35±0.38 a 13.15±0.40 l 7.47±0.25 j 松粳12号
Songjing No.124.10±1.17 l 1.70±0.17 j 1.61±0.08 f 86.48±0.82 b 77.20±4.52 b 68.10±3.24 b 17.86±0.36 e 8.13±0.44 e 松粳9号
Songjing No. 95.20±0.94 k 1.16±0.06 l 1.61±0.04 f 76.39±1.34 i 68.50±0.87 h 59.12±0.21 j 17.43±0.24 h 8.85±0.27 a 新稻28
Xindao 282.60±0.92 m 0.81±0.11 m 1.80±0.03 d 76.04±2.26 j 67.62±0.0.85 j 59.03±0.64 h 17.19±0.047 i 8.11±0.39 f 金糯6号
Jinnuo No.627.30±5.32 c 17.86±2.03 a 1.90±0.02 c 83.10±0.42 d 72.77±0.74 e 66.74±0.66 d 15.13±0.35 k 7.53±0.33 i 黑006
Hei 0065.80±2.89 j 1.34±0.15 k 1.80±0.08 d 81.35±1.16 e 71.19±2.58 g 65.26±0.32 e 18.80±0.51 a 8.14±0.21 e 吉粳88
Jijing 8811.00±3.73 i 3.45±0.43 h 2.00±0.17 b 78.34±0.42 h 65.01±0.48 k 56.71±0.31 j 18.12±0.37 c 7.85±0.06 g 新策粳1号
Xincejing No.118.80±4.27 e 6.42±0.36 d 2.31±0.21 a 63.08±0.29 l 54.33±0.71 m 45.78±0.27 l 15.36±0.53 j 7.65±0.47 h 海粳20香
Haijing20 xiang31.50±4.75 a 9.38±0.85 b 1.80±0.16 d 78.65±1.47 f 68.14±0.75 i 60.56±1.02 f 12.34±0.39 m 7.52±0.32 i 2020801 15.33±1.22 f 4.90±0.78 f 1.60±0.05 f 84.47±4.24 c 77.81±0.53 a 67.13±1.67 c 18.20±0.42 b 8.71±0.68 b 2020810 23.60±0.62 d 8.50±0.84 c 2.00±0.07 b 78.4±0.48 g 72.53±1.40 f 58.07±0.95 i 17.90±0.31 d 8.35±0.26 c 宁粳45(CK)
NingjingNo.4513.33±5.39 g 3.12±0.27 i 2.00±0.13 b 81.35±0.81 e 74.12±0.77 d 68.10±1.88 b 17.69±0.29 g 6.73±0.18 k 表 6 供试材料的17个性状耐盐碱系数的相关分析
Table 6. Correlation on salt-tolerance coefficients on 17 traits of rice varieties
指标
Index穗长
Spike length有效穗数
Effective
panicles每穗
总粒数
Number
of
grain
per spike每穗
实粒数
Grains
per
panicle单穗粒重
Single
grain千粒重
1000−grain
weight结实率
Fruiting
rate株高
Plant
height产量
Yield垩白粒率
Chalkiness
grain
rate垩白度
Chalkiness
degree长宽比
Length-width
ratio出糙率
Roughness
rate精米率
Millimeter
rate整精米率
Whole
milled
rice
rate直链
淀粉含量
Amylose
starch
content有效穗数
Effective panicles−0.15 每穗总粒数
Number of
grainper spike0.40 −0.86** 每穗实粒数
Grains per
panicle0.42 −0.85** 0.99** 单穗粒重
Single
grain0.63* −0.56* 0.76** 0.77** 千粒重
1000−grain
weight0.28 0.13 −0.32 −0.34 0.02 结实率
Fruiting rate0.15 0.04 −0.09 0.04 0.07 −0.09 株高
Plant height0.04 −0.25 0.13 0.09 0.38 0.62* −0.29 产量
Yield0.78** −0.23 0.49 0.48 0.72** 0.39 −0.07 0.41 垩白粒率
Chalkiness
grain rate−0.28 0.00 −0.27 −0.25 −0.12 0.25 0.21 0.17 −0.33 垩白度
Chalkiness
degree0.07 0.07 −0.28 −0.29 −0.13 0.38 0.01 0.07 −0.15 0.84** 粒型
Grain shape0.02 0.19 −0.15 −0.08 0.12 −0.23 0.50 −0.18 −0.30 0.24 0.18 出糙率
Roughness rate0.21 0.11 −0.06 −0.05 −0.12 0.31 0.11 0.00 0.43 0.07 0.14 −0.56 精米率
Millimeter rate0.21 0.15 −0.11 −0.11 −0.05 0.45 0.05 0.15 0.48 0.11 0.16 −0.60* 0.96** 整精米率
Whole milledrice
rate0.31 0.20 −0.13 −0.10 −0.04 0.44 0.17 0.05 0.51 0.09 0.16 −0.51 0.97** 0.98** 直链淀粉
Amylose starch
content0.39 −0.15 0.47 0.41 0.43 −0.05 −0.52 0.32 0.62* −0.75** −0.56* −0.23 0.00 0.01 −0.02 蛋白质含量
Protein content−0.10 −0.48 0.41 0.32 0.02 −0.01 −0.75** 0.15 0.09 −0.46 −0.34 −0.59* −0.09 −0.09 −0.19 0.50 *和**表示各指标耐盐碱系数在0.05和0.01水平上相关性显著。
* and * * indicate significant correlation at P<0.05 and P<0.01, respectively.表 7 前5个主成分的特征向量、特征值、方差贡献率及累积方差贡献率
Table 7. Feature vector, eigenvalue, variance contribution rate, and cumulative variance contribution rate of top 5 principal components
性状
Character主成分
Principal component1 2 3 4 5 穗长 Spike length 0.63 0.19 −0.25 0.22 0.51 有效穗数 Effective panicles −0.67 0.44 0.10 −0.03 0.52 单穗总粒数 Number of grain per spike 0.85 −0.43 −0.03 0.23 −0.20 单穗实粒数 Grains per panicle 0.82 −0.42 −0.10 0.32 −0.18 单穗粒重 Single grain 0.80 −0.28 −0.40 0.03 0.22 千粒重 1000−grain weight 0.13 0.58 −0.22 −0.61 0.13 结实率 Fruiting rate −0.22 0.08 −0.61 0.60 0.05 株高 Plant height 0.40 0.08 −0.26 −0.80 −0.02 产量 Yield 0.84 0.36 −0.14 −0.02 0.34 垩白粒率 Chalkiness grain rate −0.01 0.19 0.82 0.28 0.24 垩白度 Chalkiness degree 0.01 0.05 0.86 0.23 0.30 长宽比 Length-width ratio −0.38 −0.48 −0.50 −0.03 0.44 出糙率 Roughness rate 0.23 0.88 −0.03 0.23 −0.25 精米率 Millimeter rate 0.25 0.92 −0.06 0.08 −0.19 整精米率 Whole milled rice rate 0.23 0.93 −0.11 0.19 −0.11 直链淀粉含量 Amylose starch content 0.66 −0.08 0.44 −0.16 0.45 蛋白质含量 Protein content 0.44 −0.19 0.76 −0.29 −0.28 特征值 Eigenvalue 4.75 3.95 3.19 1.91 1.51 方差贡献率 Variance contribution rate/% 27.93 23.23 18.79 11.24 8.85 累计贡献率 The contribution rate/% 27.93 51.16 69.94 81.18 90.04 表 8 13个供试材料的权重、隶属函数值、D值及耐盐碱性排序
Table 8. Weight, membership function value, D value, and salt-resistance ranking of 13 rice varieties
品种
Variety隶属函数
Membership functionD值
D value排名
Rankμ1 μ2 μ3 μ4 μ5 港源11 Gangyuan 11 0.63 0.00 0.37 0.62 0.34 0.39 11 辽粳828 Liaojing 828 0.30 0.71 0.12 1.00 0.00 0.43 9 松粳12号 Songjing No.12 0.51 0.87 0.75 0.71 0.36 0.66 2 松粳9号 Songjing No. 9 0.35 0.44 0.98 0.37 0.53 0.52 5 新稻28 Xindao 28 0.06 0.32 1.00 0.80 0.39 0.44 8 金糯6号 Jinnuo No.6 0.35 0.86 0.30 0.56 0.51 0.51 6 黑006 Hei 006 1.00 0.56 0.53 0.99 0.47 0.74 1 吉粳88 Jijing 88 0.50 0.32 0.36 0.72 0.41 0.45 7 新策粳1号 Xincejing No.1 0.45 0.01 0.00 0.44 0.70 0.27 12 海粳20香 Haijing20 xiang 0.00 0.61 0.10 0.50 0.17 0.26 13 20200801 0.93 0.75 0.42 0.24 0.13 0.62 3 2020810 0.42 0.63 0.48 0.00 0.27 0.42 10 宁粳45(CK) Ningjing No.45 0.37 1.00 0.24 0.63 1.00 0.60 4 -
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