袁驰2,
王学春3,
韩冬4,
廖爽5,
陈勇2,
周兴兵1,
江青山4,
张林1,
蒋鹏1
1.四川省农业科学院水稻高粱研究所/农业部西南水稻生物学与遗传育种重点实验室/作物生理生态及栽培四川省重点实验室 德阳 618000
2.四川省内江市农业科学院 内江 641000
3.西南科技大学 绵阳 621010
4.宜宾市农业科学院 宜宾 644000
5.绵阳市农业科学研究院 绵阳 621023
基金项目: 国家粮食丰产科技工程2018YFD0301200
国家现代农业产业技术体系建设专项资金CARS-01-25
详细信息
作者简介:徐富贤, 主要研究方向为水稻生理生态与高产高效技术。E-mail:xu6501@163.com
中图分类号:S511.037计量
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被引次数:0
出版历程
收稿日期:2020-02-20
录用日期:2020-04-22
刊出日期:2020-07-01
Differences in the two-crop yields and main-crop rice qualities among different hybrid mid-season rice varieties in the ratooning rice region of southern Sichuan, China
XU Fuxian1,,,YUAN Chi2,
WANG Xuechun3,
HAN Dong4,
LIAO Shuang5,
CHEN Yong2,
ZHOU Xingbing1,
JIANG Qingshan4,
ZHANG Lin1,
JIANG Peng1
1. Rice and Sorghum Research Institute, Sichuan Academy of Agricultural Sciences/Key Laboratory of Southwest Rice Biology and Genetic Breeding, Ministry of Agriculture/Crop Ecophysiology and Cultivation Key Laboratory of Sichuan Province, Deyang 618000, China
2. Sichuan Neijiang Academy of Agricultural Sciences, Neijiang 641000, China
3. Southwest University of Science and Technology, Mianyang 621010, China
4. Yibin Academy of Agricultural Sciences, Yibin 644000, China
5. Mianyang Academy of Agricultural Sciences, Mianyang 621023, China
Funds: the National Grain Bumper Science and Technology Project of China2018YFD0301200
the Special Fund for the Industrial System Construction of Modern Agriculture of ChinaCARS-01-25
More Information
Corresponding author:XU Fuxian, E-mail:xu6501@163.com
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摘要
摘要:川南高温伏旱区杂交中稻因高温逼熟，产量低且稻米品质较差。杂交中稻蓄留再生稻是充分利用秋季温光资源提高稻谷产量和改善品质的重要途径。以2015—2016年审定的12个杂交中稻新品种为材料，分别在川南有一定生态代表性的隆昌、江安、富顺、宜宾4个地点采取统一的栽培技术方案，研究了杂交中稻品种与环境对头季稻及其再生稻产量与头季稻米品质的影响。结果表明，4个地点间的头季稻产量、再生稻产量和两季总产量差异达极显著水平。12个水稻品种的头季稻产量、再生稻产量均达极显著差异，而两季总产量间差异则不显著。其中有7个品种（‘创两优华占’‘内5优907’‘宜香4245’‘泸香优104’‘花优357’‘内6A/绵恢138’‘隆两优1813’）两季产量在11 000 kg·hm-2以上。6个稻米品质性状在4个地点间的差异除胶稠度不显著外，其余5个性状均达极显著水平，以宜宾和江安2个点的米质稍好。12个水稻品种在4个地点间的品质差异均达极显著水平，综合考虑总体米质相对较好的为‘创两优华占’‘隆两优1813’两个品种。再生稻产量和头季稻产量间呈显著负相关关系，头季稻产量与整精米率、垩白粒率、垩白度相关不显著。说明川南特定生态下需要改良的整精米率、垩白粒率、垩白度3个米质性状与高产并没有明显矛盾，长宽比大的品种有利于降低垩白粒率、垩白度、直链淀粉含量，提高胶稠度。
关键词:高温伏旱/
杂交中稻/
再生稻/
产量/
品质
Abstract:Due to high temperature forced ripening, the yield of hybrid mid-season rice is low and rice quality is poor in the high temperature and drought-prone areas of south Sichuan. Therefore, it is important to make full use of the autumn temperature and light resources to improve grain yield and the quality of ratooning rice. A total of 12 new hybrid mid-season rice varieties, approved between 2015 and 2016, were used as materials to study the effects of environment on the yield and quality of main crop and ratoon in Longchang, Jiangan, Fushun, and Yibin, which are ecologically representative sites in southern Sichuan, China. The results showed that the difference in the main crop, ratooning rice, and total yields of two seasons among four sites was extremely significant. The main crop and ratooning rice yields of 12 rice varieties were significantly different, but the difference in total yields was not significant. There were 7 varieties ('Chuangliangyouhuazhan' 'Nei5you 907' 'Yixiang 4245' 'Luxiangyou 104' 'Huayou 357' 'Nei6A/Mianhui 138', and 'Longliangyou 1813') with more than 11 000 kg·hm-2 yield over two seasons. There were no significant differences in gelatinization consistency of 6 rice varieties, but the other five traits were very significantly different among four sites. The rice quality in Yibin and Jiang'an were slightly better than in other two sites. The quality differences among 12 rice varieties and four sites were very significant, and the overall rice quality was relatively good for 'Chuangliangyou Huazhan' and 'Longliangyou 1813' varieties. There was a significant negative correlation between ratooning rice yield and main crop yield. However, there were no significant correlations between main crop yield and head milled rice rate, chalky rice rate, and chalkiness. The results showed that there was no obvious contradiction between high yields and three quality characters (milled rice rate, chalky grain rate, and chalkiness degree), indicating that improving the three quality characters under specific ecological conditions in southern Sichuan does not impeded rice yield increase. Varieties with a large grain length-width ratio had a reduced chalky grain rate, chalky degree, and amylose content, but an increased gel consistency.
Key words:High temperature and drought/
Hybrid mid-season rice/
Ratooning rice/
Yield/
Quality
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图1再生稻产量与头季稻产量的关系
Figure1.Relationship between yield of ratooning rice and main crop
下载: 全尺寸图片幻灯片表1各试验点的地理位置及稻田土壤肥力
Table1.Geography position and basic fertility of soil for the experiment sites
| 地点 Site | 地理位置Geography position | 基础肥力Basic fertility of soil | ||||||||||
| 经度 Longitude (°) | 纬度 Latitude (°) | 海拔 Altitude (m) | 有机质 Organic matter (g·kg-1) | 全氮 Total N (g·kg-1) | 全磷 Total P (g·kg-1) | 全钾 Total K (g·kg-1) | pH | 有效氮 Available N (mg·kg-1) | 有效磷 Available P (mg·kg-1) | 有效钾 Available K (mg·kg-1) | ||
| 隆昌Longchang | 105.12 | 29.15 | 335 | 21.8 | 0.98 | 0.24 | 10.9 | 4.73 | 131.7 | 6.40 | 106 | |
| 江安Jiang’an | 105.05 | 28.60 | 316 | 39.4 | 1.70 | 0.22 | 19.1 | 4.98 | 129.1 | 4.60 | 130 | |
| 富顺Fushun | 104.87 | 29.07 | 276 | 29.8 | 1.05 | 0.21 | 15.4 | 5.21 | 107.4 | 5.31 | 122 | |
| 宜宾Yibin | 104.54 | 28.58 | 289 | 34.2 | 1.41 | 0.43 | 20.1 | 8.14 | 95.7 | 8.90 | 158 | |
下载: 导出CSV表212个杂交中稻品种在4个试验点的头季稻与再生稻产量表现
Table2.Yield performance ofmain crop and ratooning rice of 12 hybrid medium-season rice varieties in4 test sites ?
| 品种 Variety | 隆昌Longchang | 江安Jiang’an | 富顺Fushun | 宜宾Yibin | |||||||
| 头季稻 Main crop | 再生稻 Ratooning rice | 头季稻 Main crop | 再生稻 Ratooning rice | 头季稻 Main crop | 再生稻 Ratooning rice | 头季稻 Main crop | 再生稻 Ratooning rice | ||||
| 泸香优104 Luxiangyou 104 | 7 764.5±143.6d | 3 409.8±144.1bcd | 9 314.9±211.5ab | 2 967.5±123.8a | 8 053.4±158.6bc | 2 342.3±98.8bcd | 7 188.5±138.7c | 3 214.1±128.3a | |||
| 内5优907 Nei5you 907 | 9 626.7±164.5abc | 4 032.3±138.0abc | 8 604.2±174.4cd | 2 266.4±146.6c | 8 773.4±132.6a | 2 031.2±86.3de | 8 608.5±166.2ab | 2 610.0±130.8c | |||
| 花优357 Huayou 357 | 9 064.5±173.2c | 4 216.7±143.3ab | 6 893.6±135.0g | 3 047.3±160.8a | 8 691.2±181.1a | 2 635.5±110.6abc | 6 967. 2±158.0c | 2 846.1±135.7b | |||
| 内香6A/绵恢138 Neixiang 6A/ Mianhui 138 | 10 366.7±212.0a | 4 055.3±161.6abc | 7 888.8±188.1ef | 2 434.8±147.1b | 7 900.1±136.3cd | 1 548.9±74.3ef | 7 615.4±143.7bc | 2 574.9±155.1c | |||
| 宜香优4245 Yixiangyou 4245 | 9 357.8±191.4bc | 3 430.5±152.7bcd | 9 056.3±213.1bc | 1 727.6±122.7e | 8 128.8±185.6bc | 3 040.1±128.2a | 7 596.0±139.5bc | 2 259.3±146.2d | |||
| 创两优华占 Chuangliangyou huazhan | 10 362.2±184.1a | 4 004.0±136.9abc | 9 587.4±156.3a | 2 980.4±114.5a | 8 126.7±154.1bc | 1 902.3±78.7de | 7 378.2c±177.6 | 2 621.6±161.0c | |||
| 万优956 Wanyou 956 | 7 977.8±175.5d | 4 298.7±154.0a | 8 401.5±187.2de | 2 957.3±148.7a | 7 553.4±127.9e | 2 455.7±128.5bcd | 7 073.0±154.3c | 3 168.6±198.5a | |||
| 千香优418 Qianxiangyou 418 | 9 977.9±189.5ab | 3 303.5±125.5cd | 8 465.4±1559d | 1 721.3±121.6e | 7 184.4±172.6f | 1 142.3±108.1f | 9 037.7±200.7a | 2 126.1±125.6de | |||
| 隆两优1813 Longliangyou 1813 | 9 424.5±173.0bc | 3 636.8±137.8bcd | 7 756.2±148.6f | 3 012.0±143.7a | 8 275.5±131.0b | 2 813.4± 142.7ab | 7 053.8±191.5c | 2 078.0±134.3de | |||
| 甜香优698 Tianxiangyou 698 | 9 162.2±173.3bc | 3 762.2±144.6abc | 7 842.2±191.2f | 1 533.2±156.0f | 7 713.3±149.6de | 2 255.6±133.9bcd | 8 974.8±188.4a | 2 476.8±148.2c | |||
| 蓉18优609 Rongl8you 609 | 9 860.0±167.1abc | 2 854.4±160.1d | 8 570.0±185.4cd | 2 126.1±119.2d | 8 262.2±177.0b | 1 084.5±65.8f | 7 573.iil51.8bc | 1 779.2±161.9f | |||
| 乐优808 Leyou 808 | 9 684.5±190.8abc | 3 677.6±157.3abc | 8 377.5±179.6de | 2 194.5±163.3cd | 7 477.8±151.4e | 2 184.5±101.3cd | 7 400.7±164.0c | 1 974.3±130.7ef | |||
| F值 F value | 9.17** | 2.94** | 18.91** | 222.90** | 28.4** | 12.60** | 4.64** | 43.51** | |||
| 同列不同小写字母表示不同品种间差异显著(P < 0.05)。Different lowercase letters in the same column indicate significant differences at P < 0.05 level among different varieties. | |||||||||||
下载: 导出CSV表3不同杂交中稻品种头季稻、再生稻与两季总产变异及其方差分析
Table3.Variation and variance analysis of yield of main crop, ratooning crop and two season crops of different hybrid medium-season rice varieties
| 项目 Item | 头季稻Main crop | 再生稻Ratooning rice | 两季合计Two season crops | ||||||
| 产量 Yield (kg·hm-2) | CV (%) | 产量 Yield (kg·hm-2) | CV (%) | 产量 Yield (kg·hm-2) | CV (%) | ||||
| 最小值Min. | 6 893.6 | 1 084.5 | 8 326.7 | ||||||
| 最大值Max. | 10 366.7 | 4 298.7 | 14 422.0 | ||||||
| 平均值Mean | 8 374.9 | 2 683.7 | 11 058.6 | ||||||
| CV (%) | 11.18 | 29.87 | 13.40 | ||||||
| 品种 Variety | 泸香优104 Luxiangyou 104 | 8 080.3±376.0c | 4.65 | 2 983.4±143.0ab | 4.79 | 11 063.8±483.9a | 4.37 | ||
| 内5优907 Nei5you 907 | 8 903.2±423.6a | 8.90 | 2 735.0±173.4ab | 6.34 | 11 638.2±465.4a | 4.00 | |||
| 花优357 Huayou 357 | 7 904.1±323.4c | 4.09 | 3 186.4±156.1a | 4.90 | 11 090.5±407.6a | 3.68 | |||
| 内香6A/绵恢138 Neixiang6A/Mianhui 138 | 8 442.8±354.1b | 4.19 | 2 653.5±123.9abc | 4.66 | 11 096.2±393.2a | 3.54 | |||
| 宜香优4245 Yixiangyou 4245 | 8 534.7±327.2ab | 3.83 | 2 614.4±107.6abc | 4.12 | 11 149.1±437.3a | 3.92 | |||
| 创两优华占Chuangliangyouhuazhan | 8 863.6±345.1a | 3.89 | 2 877.1±143.3ab | 4.98 | 11 740.7±423.6a | 3.61 | |||
| 万优956 Wanyou 956 | 7 751.4±283.3c | 3.65 | 3 220.1±163.5a | 5.08 | 10 971.5±366.3a | 3.34 | |||
| 千香优418 Qianxiangyou 418 | 8 666.4±316.5ab | 3.66 | 2 073.3±112.0cd | 5.40 | 10 739.7±431.0a | 4.01 | |||
| 隆两优1813 Longliangyou 1813 | 8 127.5±308.6bc | 3.80 | 2 885.1±127.6ab | 4.42 | 11 012.6±359.8a | 3.27 | |||
| 甜香优698 Tianxiangyou 698 | 8 423.1±313.0b | 3.72 | 2 507.0±140.7bcd | 5.61 | 10 930.1±401.1a | 3.67 | |||
| 蓉18优609 Rong18you 609 | 8 566.5±361.2ab | 4.22 | 1 961.1±78.6d | 4.01 | 10 527.6±414.4a | 3.94 | |||
| 乐优808 Leyou 808 | 8 235.1±289.6bc | 3.52 | 2 507.7±151.1bcd | 6.03 | 10 742.9±373.5a | 3.48 | |||
| 地点 Site | 隆昌Longchang | 9 385.8±573.7a | 6.11 | 3 723.5±228.8a | 6.14 | 13 109.3±529.6a | 4.04 | ||
| 江安Jiang’an | 8 396.5±533.6b | 6.36 | 2 414.0±163.4bc | 6.77 | 10 810.5±573.6b | 5.31 | |||
| 富顺Fushun | 8 011.7±563.1bc | 7.03 | 2 119.7±157.6c | 7.44 | 10 131.4±607.2b | 5.99 | |||
| 宜宾Yibin | 7 705.6±520.4c | 6.75 | 2 477.4±171.0b | 6.90 | 10 183.1±593.0b | 5.82 | |||
| F值 F value | 地点Site | 13.08** | 37.61** | 28.57** | |||||
| 品种Variety | 8.08** | 3.78** | 0.58 | ||||||
| 同列不同小写字母表示差异显著(P < 0.05)。Different lowercase letters in the same column indicate significant differences at P < 0.05 level. | |||||||||
下载: 导出CSV表4不同杂交中稻品种在不同试验点的品质实测值
Table4.Quality measurements of different hybrid medium-season rice varieties at different test sites
| 地点 Site | 品种 Variety | 整精米率 Head rice rate (%) | 长宽比 Length-width ratio | 垩白粒率 Chalky grain rate (%) | 垩白度 Chalkiness (%) | 胶稠度 Gel consistency (mm) | 直链淀粉 Amylose (%) |
| 隆昌 Longchang | 泸香优104 Luxiangyou 104 | 18.3 | 3.3 | 30.0 | 3.6 | 58.0 | 18.5 |
| 内5优907 Nei5you 907 | 19.7 | 3.0 | 19.0 | 2.7 | 74.0 | 12.6 | |
| 花优357 Huayou 357 | 28.2 | 3.0 | 18.0 | 2.0 | 73.0 | 13.8 | |
| 内香6A/绵恢138 Neixiang6A/Mianhui 138 | 24.3 | 3.0 | 20.0 | 2.5 | 72.0 | 12.4 | |
| 宜香优4245 Yixiangyou 4245 | 28.3 | 3.1 | 17.0 | 2.0 | 76.0 | 13.8 | |
| 创两优华占Chuangliangyouhuazhan | 43.8 | 2.9 | 10.0 | 0.9 | 79.0 | 12.9 | |
| 万优956 Wanyou 956 | 31.7 | 2.2 | 40.0 | 9.1 | 38.0 | 22.2 | |
| 千香优418 Qianxiangyou 418 | 24.1 | 2.9 | 37.0 | 3.7 | 79.0 | 12.7 | |
| 隆两优1813 Longliangyou 1813 | 38.9 | 2.9 | 12.0 | 1.4 | 76.0 | 12.4 | |
| 甜香优698 Tianxiangyou 698 | 20.8 | 3.0 | 21.0 | 2.5 | 74.0 | 13.2 | |
| 蓉18优609 Rong18you 609 | 26.0 | 3.1 | 16.0 | 1.3 | 76.0 | 12.8 | |
| 乐优808 Leyou 808 | 12.4 | 2.6 | 42.0 | 7.8 | 74.0 | 20.4 | |
| 平均值Mean | 26.4 | 2.9 | 23.5 | 3.3 | 70.8 | 14.8 | |
| CV (%) | 33.1 | 9.6 | 46.6 | 77.8 | 16.4 | 23.5 | |
| 江安 Jiang’an | 泸香优104 Luxiangyou 104 | 29.9 | 3.2 | 11.0 | 1.7 | 69.0 | 18.3 |
| 内5优907 Nei5you 907 | 28.3 | 3.0 | 14.0 | 1.1 | 78.0 | 12.9 | |
| 花优357 Huayou 357 | 27.8 | 3.0 | 4.0 | 0.6 | 76.0 | 13.8 | |
| 内香6A/绵恢138 Neixiang6A/Mianhui 138 | 23.3 | 3.0 | 9.0 | 1.1 | 76.0 | 12.5 | |
| 宜香优4245 Yixiangyou 4245 | 30.2 | 3.0 | 8.0 | 1.1 | 76.0 | 14.1 | |
| 创两优华占Chuangliangyouhuazhan | 47.2 | 2.9 | 1.0 | 0.1 | 76.0 | 12.5 | |
| 万优956 Wanyou 956 | 35.6 | 2.3 | 36.0 | 5.1 | 50.0 | 21.8 | |
| 千香优418 Qianxiangyou 418 | 45.0 | 2.8 | 10.0 | 1.2 | 73.0 | 13.9 | |
| 隆两优1813 Longliangyou 1813 | 45.2 | 2.9 | 3.0 | 0.4 | 74.0 | 12.6 | |
| 甜香优698 Tianxiangyou 698 | 28.1 | 3.0 | 17.0 | 1.7 | 76.0 | 14.0 | |
| 蓉18优609 Rong18you 609 | 35.3 | 3.0 | 5.0 | 0.8 | 76.0 | 13.3 | |
| 乐优808 Leyou 808 | 24.4 | 2.6 | 17.0 | 2.6 | 60.0 | 21.4 | |
| 平均值Mean | 33.4 | 2.9 | 11.3 | 1.5 | 71.7 | 15.1 | |
| CV (%) | 24.9 | 8.1 | 83.0 | 88.2 | 11.7 | 22.6 | |
| 富顺 Fushun | 泸香优104 Luxiangyou 104 | 15.5 | 3.3 | 9.0 | 1.1 | 66.0 | 18.3 |
| 内5优907 Nei5you 907 | 15.3 | 3.1 | 12.0 | 1.2 | 74.0 | 13.0 | |
| 花优357 Huayou 357 | 24.1 | 3.1 | 4.0 | 0.5 | 73.0 | 14.4 | |
| 内香6A/绵恢138 Neixiang6A/Mianhui 138 | 18.5 | 3.0 | 12.0 | 1.3 | 78.0 | 13.4 | |
| 宜香优4245 Yixiangyou 4245 | 22.5 | 3.1 | 4.0 | 0.4 | 71.0 | 15.2 | |
| 创两优华占Chuangliangyouhuazhan | 31.5 | 3.0 | 3.0 | 0.2 | 77.0 | 13.2 | |
| 万优956 Wanyou 956 | 33.6 | 2.3 | 32.0 | 4.9 | 58.0 | 22.9 | |
| 千香优418 Qianxiangyou 418 | 18.7 | 2.9 | 20.0 | 1.7 | 74.0 | 14.0 | |
| 隆两优1813 Longliangyou 1813 | 37.2 | 2.9 | 2.0 | 0.3 | 78.0 | 12.7 | |
| 甜香优698 Tianxiangyou 698 | 18.2 | 3.0 | 10.0 | 0.7 | 76.0 | 14.7 | |
| 蓉18优609 Rong18you 609 | 27.6 | 3.2 | 11.0 | 1.5 | 76.0 | 13.8 | |
| 乐优808 Leyou 808 | 15.6 | 2.6 | 14.0 | 2.4 | 72.0 | 21.4 | |
| 平均值Mean | 23.2 | 3.0 | 11.1 | 1.4 | 72.8 | 15.6 | |
| CV (%) | 32.9 | 9.0 | 75.9 | 90.4 | 7.9 | 21.9 | |
| 宜宾 Yibin | 泸香优104 Luxiangyou 104 | 28.1 | 3.3 | 10.0 | 1.5 | 50.0 | 19.2 |
| 内5优907 Nei5you 907 | 30.5 | 3.0 | 7.0 | 1.5 | 72.0 | 13.0 | |
| 花优357 Huayou 357 | 29.1 | 3.0 | 4.0 | 1.1 | 72.0 | 13.5 | |
| 内香6A/绵恢138 Neixiang6A/Mianhui 138 | 37.5 | 3.0 | 12.0 | 1.1 | 76.0 | 12.3 | |
| 宜香优4245 Yixiangyou 4245 | 37.3 | 3.0 | 8.0 | 0.9 | 78.0 | 14.6 | |
| 创两优华占Chuangliangyouhuazhan | 52.3 | 3.0 | 3.0 | 0.3 | 79.0 | 12.7 | |
| 万优956 Wanyou 956 | 35.4 | 2.2 | 16.0 | 2.0 | 40.0 | 22.0 | |
| 千香优418 Qianxiangyou 418 | 38.0 | 2.8 | 10.0 | 0.8 | 74.0 | 12.9 | |
| 隆两优1813 Longliangyou 1813 | 41.4 | 2.9 | 6.0 | 1.1 | 75.0 | 13.2 | |
| 甜香优698 Tianxiangyou 698 | 35.8 | 3.0 | 7.0 | 0.8 | 73.0 | 13.9 | |
| 蓉18优609 Rong18you 609 | 40.1 | 3.0 | 17.0 | 2.8 | 76.0 | 13.0 | |
| 乐优808 Leyou 808 | 26.2 | 2.6 | 50.0 | 8.9 | 69.0 | 21.2 | |
| 平均值Mean | 36.0 | 2.9 | 12.5 | 1.9 | 69.5 | 15.1 | |
| CV (%) | 19.8 | 9.4 | 100.5 | 120.8 | 17.2 | 23.3 |
下载: 导出CSV表5不同杂交中稻品种稻米品质变异及其方差分析
Table5.Variation and variance analysis of rice quality of different hybrid medium-season rice varieties
| 项目 Item | 整精米率 Head rice rate (%) | 长宽比 Length-width ratio | 垩白粒率 Chalky grain rate (%) | 垩白度 Chalkiness (%) | 胶稠度 Gel consistency (mm) | 直链淀粉 Amylose (%) | |
| 最小值Min. | 12.4 | 2.2 | 1.0 | 0.1 | 38.0 | 12.3 | |
| 最大值Max. | 52.3 | 3.3 | 50.0 | 9.1 | 79.0 | 22.9 | |
| 平均值Mean | 29.7 | 2.9 | 14.6 | 2.0 | 71.2 | 15.2 | |
| CV (%) | 31.4 | 8.9 | 78.0 | 102.3 | 13.4 | 22.1 | |
| 品种 Variety | 泸香优104 Luxiangyou 104 | 23.0±1.56fg | 3.3±0.03a | 15.0±2.04bc | 2.0±0.18b | 60.8±4.60c | 18.6±2.08c |
| 内5优907 Nei5you 907 | 23.5±2.82efg | 3.0±0.08bc | 13.0±2.47bc | 1.6±0.24b | 74.5±5.12ab | 12.9±1.43gh | |
| 花优357 Huayou 357 | 27.3±2.43cdef | 3.0±0.04bc | 7.5±1.05c | 1.1±0.13b | 73.5±4.88ab | 13.9±2.32ef | |
| 内香6A/绵恢138 Neixiang6A/Mianhui 138 | 25.9±2.80cdefg | 3.0±0.05cd | 13.0±1.983bc | 1.5±0.14b | 75.5±4.78ab | 12.7±2.36h | |
| 宜香优4245 Yixiangyou 4245 | 29.6±3.26bcde | 3.1±0.11bc | 9.3±1.76bc | 1.1±0.33b | 75.3±5.19ab | 14.4±2.91d | |
| 创两优华占Chuangliangyouhuazhan | 43.7±4.39a | 3.0±0.07de | 4.3±1.05c | 0.4±0.02b | 77.8±4.95a | 12.8±2.06gh | |
| 万优956 Wanyou 956 | 34.1±3.53b | 2.3±0.02h | 31.0±2.03a | 5.3±0.73a | 46.5±3.31d | 22.2±3.74a | |
| 千香优418 Qianxiangyou 418 | 31.5±2.73bcd | 2.9±0.06f | 19.3±2.43b | 1.9±0.32b | 75.0±5.62ab | 13.4±2.16ef | |
| 隆两优1813 Longliangyou 1813 | 40.7±5.22a | 2.9±0.07ef | 5.8±1.03c | 0.8±0.02b | 75.8±3.81ab | 12.7±2.41h | |
| 甜香优698 Tianxiangyou 698 | 25.7±1.33defg | 3.0±0.04cd | 13.8±2.22bc | 1.4±0.07b | 74.8±5.44ab | 14.0±2.77de | |
| 蓉18优609 Rong18you 609 | 32.3±2.44bc | 3.1±0.08b | 12.3±2.70bc | 1.6±0.13b | 76.0±6.53ab | 13.2±2.72gh | |
| 乐优808 Leyou 808 | 19.7±3.01g | 2.6±0.03g | 30.8±3.23a | 5.4±0.92a | 68.8±3.72b | 21.1±3.34b | |
| 地点 Site | 隆昌Longchang | 26.4±2.53b | 2.9±0.05b | 23.5±2.91a | 3.3±0.65a | 70.8±5.94a | 14.8±2.99c |
| 江安Jiang’an | 33.4±3.27a | 2.9±0.07b | 11.3±1.63b | 1.5±0.09b | 71.7±4.63a | 15.1±2.35bc | |
| 富顺Fushun | 23.2±2.13b | 3.0±0.11a | 11.1±2.00b | 1.4±0.06b | 72.8±5.20a | 15.6±2.71a | |
| 宜宾Yibin | 36.0±3.26a | 2.9±0.07b | 12.5±2.56b | 1.9±0.15b | 69.5±5.67a | 15.1±2.83b | |
| F值 F value | 地点Site | 26.20** | 5.97** | 9.43** | 6.12** | 1.17 | 9.46** |
| 品种Variety | 12.71** | 156.17** | 6.61** | 6.78** | 16.64** | 363.32** | |
| 同列不同小写字母表示差异显著(P < 0.05)。Different lowercase letters in the same column indicate significant differences at P < 0.05 level. | |||||||
下载: 导出CSV表6稻谷产量、稻米品质性状间的相关系数
Table6.Correlation coefficients between yield and quality traits of rice
| 整精米率 Head rice rate | 长宽比 Length-width ratio | 垩白粒率 Chalky grain rate | 垩白度 Chalkiness | 胶稠度 Gel consistency | 直链淀粉 Amylose | |
| 产量Yield | 0.110 3 | 0.423 5 | -0.376 0 | -0.480 7 | 0.687 2** | -0.627 5** |
| 整精米率Head rice rate | -0.102 6 | -0.432 1 | -0.369 0 | 0.127 0 | -0.327 3 | |
| 长宽比Length-width ratio | -0.742 0** | -0.797 9** | 0.596 4* | -0.630 2* | ||
| 垩白粒率Chalky grain rate | 0.966 6** | -0.701 4** | 0.842 5** | |||
| 垩白度Chalkiness | -0.743 1** | 0.908 4** | ||||
| 胶稠度Amylose | -0.867 7** |
下载: 导出CSV参考文献
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