新疆农业科学 ›› 2023, Vol. 60 ›› Issue (6): 1379-1388.DOI: 10.6048/j.issn.1001-4330.2023.06.010
• 种质资源·耕作栽培·生理生化·土壤肥料·分子遗传学 • 上一篇 下一篇
陆晏天(), 桑志勤, 徐灿, 张力, 夏春兰, 王友德, 李伟, 陈树宾()
收稿日期:
2022-06-15
出版日期:
2023-06-20
发布日期:
2023-06-20
通信作者:
陈树宾(1967-),男,江苏建湖人,研究员,研究方向玉米遗传育种与栽培,(E-mail) btcorn@163.com
作者简介:
陆晏天(1995-),男,甘肃张掖人,硕士,研究方向为玉米抗逆生理及分子遗传学,(E-mail) lyt204712@163.com
基金资助:
LU Yantian(), SANG Zhiqin, XU Can, ZHANG Li, XIA Chunlan, WANG Youde, LI Wei, CHEN Shubin()
Received:
2022-06-15
Online:
2023-06-20
Published:
2023-06-20
Correspondence author:
CHEN Shubin (1976-), male, place: Jianhu, Jiangsu Province, Researcher, research field: maize breeding and cultivation.(E-mail) btcorn@163.com
Supported by:
摘要:
【目的】分析新疆和宁夏历年来审定玉米品种株型、产量和品质性状的变化趋势及选育单位和亲本来源,研究不同性状之间的关联性,为审定品种的更替及玉米品种性状选育提供参考。【方法】搜集整理2000~2020年新疆和宁夏审定通过的529份玉米品种信息,分析其中占比81.28%的普通玉米品种的株型、产量及产量构成因子、品质相关性状。【结果】(1)品种年际间差异极显著。随年份的更替,新疆和宁夏审定品种的株高和产量极显著增加,其分别增加1.06、1.91 cm和103.08、219.62 kg/hm2;雄穗分枝数、生育期和穗长显著下降,其分别下降0.46、0.45个,1.00、0.67d,0.07、0.06 cm;新疆和宁夏审定品种的品质性状变化差异较大,宁夏审定品种的容重、粗蛋白和赖氨酸含量显著增加,年均分别增2.16%、0.50%和0.002%。新疆审定品种的粗淀粉含量显著增加,年均增加3.54%。新疆和宁夏审定品种的其他性状呈现不同程度的上升或下降趋势,但变幅不显著。(2)新疆与宁夏审定玉米品种的18个性状间紧密关联,彼此间协同或抑制作用共同形成了品种的 DUS 特性。(3)宁夏筛选出了对总体方差累计贡献率达65.966%的7个主成分,新疆筛选出了对总体方差累计贡献率达71.262%的5个主成分。其中株高、穗位高、穗长、穗粗、产量和赖氨酸含量始终是被选择的对象。(4)审定品种数量上种业公司占71.22%,排名第一,但科研院所的育种效率最高,平均为3.55。新疆和宁夏审定品种的亲本数量也逐年增加,极大的丰富了种质资源。【结论】在品种更替过程中,株高、雄穗分枝数、生育期、产量及产量构成因子等性状是新疆和宁夏品种改良相对较快的性状,而品质性状的变化趋势新疆和宁夏存在差异。新疆和宁夏品种审定数量目前以种业公司居前列,审定品种中新命名的亲本自交系数量迅速增加,使统计上的亲本重复使用率逐年下降。
中图分类号:
陆晏天, 桑志勤, 徐灿, 张力, 夏春兰, 王友德, 李伟, 陈树宾. 历年新疆和宁夏审定玉米品种主要性状的演化及品种审定现状分析[J]. 新疆农业科学, 2023, 60(6): 1379-1388.
LU Yantian, SANG Zhiqin, XU Can, ZHANG Li, XIA Chunlan, WANG Youde, LI Wei, CHEN Shubin. Evolution of main characters of maize varieties approved in Xinjiang and Ningxia over the years and analysis of the current situation of variety approval[J]. Xinjiang Agricultural Sciences, 2023, 60(6): 1379-1388.
项目 Item | 新疆Xinjiang | 宁夏Ningxia |
---|---|---|
经纬度Latitude and longitude | 34°25'~48°10' N, 73°40'~96°18' E | 35°14'~39°14' N, 104°17'~109°39' E |
气候类型Climate type | 温带大陆性气候 | 温带大陆性气候 |
海拔Altitude | 2 684 m | 1 150 m |
年平均气温Average temperature | 8.7~18.7℃ | 5.6~10.1℃ |
年降水量Annual precipitation | 124~150 mm | 167.2~618.3 mm |
年日照时数Annual sunshine hours | 3 500 h | 3 000 h |
积温Accumulated temperature | 3 500℃ | 3 400℃ |
Tab.1 Climatic overview of main maize planting divisions in Xinjiang and Ningxia
项目 Item | 新疆Xinjiang | 宁夏Ningxia |
---|---|---|
经纬度Latitude and longitude | 34°25'~48°10' N, 73°40'~96°18' E | 35°14'~39°14' N, 104°17'~109°39' E |
气候类型Climate type | 温带大陆性气候 | 温带大陆性气候 |
海拔Altitude | 2 684 m | 1 150 m |
年平均气温Average temperature | 8.7~18.7℃ | 5.6~10.1℃ |
年降水量Annual precipitation | 124~150 mm | 167.2~618.3 mm |
年日照时数Annual sunshine hours | 3 500 h | 3 000 h |
积温Accumulated temperature | 3 500℃ | 3 400℃ |
性状 Trait | 新疆 Xinjiang | 宁夏 Ningxia | ||
---|---|---|---|---|
均值 Mean | 回归方程 Regression curve | 均值 Mean | 回归方程 Regression curve | |
株高 Plant height | 276.43±27.66 (F=0.053**) | Y=0.003X+269.654 (R=0.001**) | 270.34±30.88 (F=23.264**) | Y=1.909X-3 574.601 (R=0.118**) |
穗位高 Ear height | 113.56±18.33 (F=4.074) | Y=-0.539X+1 198.656 (R=0.152) | 109.72±17.20 (F=1.010) | Y=-0.236X+585.334 (R=0.006) |
雄穗分枝数 Tassel branch number | 9.97±4.52 (F=11.595**) | Y=-0.425X+863.375 (R=0.465**) | 7.08±3.36 (F=50.650**) | Y=-0.464X+943.629 (R=0.293**) |
生育期 Developmental stage | 111.69±16.41 (F=16.870**) | Y=-1.010X+2 142.891 (R=0.311**) | 134.47±9.61 (F=8.500*) | Y=-0.422X+982.964 (R=0.057*) |
成株叶片数 Number of leaves in adult plant | 19.45±1.58 (F=2.935) | Y=-0.61X+141.300 (R=0.190) | 19.97±1.39 (F=1.175) | Y=0.010X-20.817 (R=0.002) |
种植密度 Plant density | 81 159.38±11 286.07 (F=56.809**) | Y=1 221.542X-2 376 284.398 (R=0.514**) | 64 408.43±21 399.74 (F=5.368) | Y=666.134X-1 276 965.091 (R=0.175) |
表2 新疆和宁夏审定玉米农艺相关性状的变化趋势
Tab.2 Change trend of Agronomic traits of maize varieties released in Xinjiang and Ningxia
性状 Trait | 新疆 Xinjiang | 宁夏 Ningxia | ||
---|---|---|---|---|
均值 Mean | 回归方程 Regression curve | 均值 Mean | 回归方程 Regression curve | |
株高 Plant height | 276.43±27.66 (F=0.053**) | Y=0.003X+269.654 (R=0.001**) | 270.34±30.88 (F=23.264**) | Y=1.909X-3 574.601 (R=0.118**) |
穗位高 Ear height | 113.56±18.33 (F=4.074) | Y=-0.539X+1 198.656 (R=0.152) | 109.72±17.20 (F=1.010) | Y=-0.236X+585.334 (R=0.006) |
雄穗分枝数 Tassel branch number | 9.97±4.52 (F=11.595**) | Y=-0.425X+863.375 (R=0.465**) | 7.08±3.36 (F=50.650**) | Y=-0.464X+943.629 (R=0.293**) |
生育期 Developmental stage | 111.69±16.41 (F=16.870**) | Y=-1.010X+2 142.891 (R=0.311**) | 134.47±9.61 (F=8.500*) | Y=-0.422X+982.964 (R=0.057*) |
成株叶片数 Number of leaves in adult plant | 19.45±1.58 (F=2.935) | Y=-0.61X+141.300 (R=0.190) | 19.97±1.39 (F=1.175) | Y=0.010X-20.817 (R=0.002) |
种植密度 Plant density | 81 159.38±11 286.07 (F=56.809**) | Y=1 221.542X-2 376 284.398 (R=0.514**) | 64 408.43±21 399.74 (F=5.368) | Y=666.134X-1 276 965.091 (R=0.175) |
性状 Trait | 新疆 Xinjiang | 宁夏 Ningxia | ||
---|---|---|---|---|
均值 Mean | 回归方程 Regression curve | 均值 Mean | 回归方程 Regression curve | |
穗长 Ear length | 18.67±2.21 (F=4.463*) | Y=-0.068X+155.231 (R=0.159*) | 19.24±1.47 (F=9.477*) | Y=-0.061X+142.409 (R=0.235*) |
穗粗 Ear diameter | 4.84±0.40 (F=0.035) | Y=0.002X+1.123 (R=0.023) | 5.22±1.30 (F=9.968*) | Y=-0.058X+122.876 (R=0.253*) |
穗行数 Kernel Row number | 15.75±1.24 (F=0.851) | Y=-0.17X+50.813 (R=0.071) | 16.72±1.67 (F=20.702) | Y=0.100X-184.976 (R=0.337) |
行粒数 Kernel number per row | 36.21±3.91 (F=4.534) | Y=-0.143X+322.779 (R=0.186) | 37.97±3.15 (F=0.391) | Y=-0.28X+95.072 (R=0.500) |
出籽率 Kernel ratio | 86.73±1.90 (F=7.194) | Y=0.113X-139.892 (R=0.327) | 84.04±7.78 (F=0.200) | Y=0.019X+44.766 (R=0.12) |
千粒重 1000-kernel weight | 327.74±58.49 (F=0.347) | Y=-0.522X+1 376.639 (R=0.460) | 349.47±48.34 (F=1.306) | Y=0.769X-1 199.176 (R=0.90) |
产量 Grain yield | 11 997.86±3 378.37 (F=4.479**) | Y=103.046X-195 254.671 (R=0.158**) | 12 574.98±3 754.062 (F=20.610**) | Y=219.628X-429 682.566 (R=0.329**) |
表3 新疆和宁夏审定品种产量相关性状的变化趋势
Tab.3 Change trends of yield traits of maize varieties released in Xinjiang and Ningxia
性状 Trait | 新疆 Xinjiang | 宁夏 Ningxia | ||
---|---|---|---|---|
均值 Mean | 回归方程 Regression curve | 均值 Mean | 回归方程 Regression curve | |
穗长 Ear length | 18.67±2.21 (F=4.463*) | Y=-0.068X+155.231 (R=0.159*) | 19.24±1.47 (F=9.477*) | Y=-0.061X+142.409 (R=0.235*) |
穗粗 Ear diameter | 4.84±0.40 (F=0.035) | Y=0.002X+1.123 (R=0.023) | 5.22±1.30 (F=9.968*) | Y=-0.058X+122.876 (R=0.253*) |
穗行数 Kernel Row number | 15.75±1.24 (F=0.851) | Y=-0.17X+50.813 (R=0.071) | 16.72±1.67 (F=20.702) | Y=0.100X-184.976 (R=0.337) |
行粒数 Kernel number per row | 36.21±3.91 (F=4.534) | Y=-0.143X+322.779 (R=0.186) | 37.97±3.15 (F=0.391) | Y=-0.28X+95.072 (R=0.500) |
出籽率 Kernel ratio | 86.73±1.90 (F=7.194) | Y=0.113X-139.892 (R=0.327) | 84.04±7.78 (F=0.200) | Y=0.019X+44.766 (R=0.12) |
千粒重 1000-kernel weight | 327.74±58.49 (F=0.347) | Y=-0.522X+1 376.639 (R=0.460) | 349.47±48.34 (F=1.306) | Y=0.769X-1 199.176 (R=0.90) |
产量 Grain yield | 11 997.86±3 378.37 (F=4.479**) | Y=103.046X-195 254.671 (R=0.158**) | 12 574.98±3 754.062 (F=20.610**) | Y=219.628X-429 682.566 (R=0.329**) |
性状 Trait | 新疆 Xinjiang | 宁夏 Ningxia | ||
---|---|---|---|---|
均值 Mean | 回归方程 Regression curve | 均值 Mean | 回归方程 Regression curve | |
容重 Bulk weight | 734.12±110.20 (F=0.889**) | Y=-2.999X+6 772.375 (R=0.107) | 749.06±63.37 (F=3.485**) | Y=2.165X-3 612.598 (R=0.165**) |
粗蛋白含量 Protein concentration | 9.15±0.98 (F=0.581*) | Y=-0.016X+40.926 (R=0.078) | 9.18±1.11 (F=0.400*) | Y=0.010X-10.980 (R=0.510*) |
粗脂肪含量 Fat concentration | 4.35±0.35 (F=0.942**) | Y=-0.70X+144.461 (R=0.100) | 3.87±0.69 (F=3.945**) | Y=-0.19X+42.515 (R=0.158) |
粗淀粉含量 Starch concentration | 73.93±3.20 (F=3.965*) | Y=0.132X-192.125 (R=0.200*) | 73.58±5.70 (F=0.18**) | Y=-0.011+95.649 (R=0.011) |
赖氨酸含量 Lysine concentration | 0.29±0.04 (F=55.626**) | Y=-0.005X+11.103 (R=0.841**) | 0.30±0.04 (F=1.493*) | Y=0.001X-0.999 (R=0.100*) |
表4 新疆和宁夏审定玉米籽粒品质相关性状的变化趋势
Tab.4 Change trends of kernel quality traits of maize varieties released in Xinjiang and Ningxia
性状 Trait | 新疆 Xinjiang | 宁夏 Ningxia | ||
---|---|---|---|---|
均值 Mean | 回归方程 Regression curve | 均值 Mean | 回归方程 Regression curve | |
容重 Bulk weight | 734.12±110.20 (F=0.889**) | Y=-2.999X+6 772.375 (R=0.107) | 749.06±63.37 (F=3.485**) | Y=2.165X-3 612.598 (R=0.165**) |
粗蛋白含量 Protein concentration | 9.15±0.98 (F=0.581*) | Y=-0.016X+40.926 (R=0.078) | 9.18±1.11 (F=0.400*) | Y=0.010X-10.980 (R=0.510*) |
粗脂肪含量 Fat concentration | 4.35±0.35 (F=0.942**) | Y=-0.70X+144.461 (R=0.100) | 3.87±0.69 (F=3.945**) | Y=-0.19X+42.515 (R=0.158) |
粗淀粉含量 Starch concentration | 73.93±3.20 (F=3.965*) | Y=0.132X-192.125 (R=0.200*) | 73.58±5.70 (F=0.18**) | Y=-0.011+95.649 (R=0.011) |
赖氨酸含量 Lysine concentration | 0.29±0.04 (F=55.626**) | Y=-0.005X+11.103 (R=0.841**) | 0.30±0.04 (F=1.493*) | Y=0.001X-0.999 (R=0.100*) |
参数 Parameter | 成分1 Component 1 | 成分2 Component 2 | 成分3 Component 3 | 成分4 Component 4 | 成分5 Component 5 | 成分6 Component 6 | 成分7 Component 7 |
---|---|---|---|---|---|---|---|
新疆/宁夏 Xinjiang/Ningxia | |||||||
特征值 Eigen value | 9.493/5.149 | 2.646/2.370 | 1.768/2.321 | 1.388/1.590 | 1.095/1.314 | -/1.211 | -/1.189 |
贡献率 (%) Contributionrate | 41.275/22.388 | 11.504/10.303 | 7.688/10.092 | 6.033/6.912 | 4.762/5.832 | -/5.267 | -/5.171 |
累计百分率 Cummulative percentage (%) | 41.275/22.388 | 52.780/32.691 | 60.467/42.783 | 66.500/49.695 | 71.262/55.527 | -/60.794 | -/65.966 |
表5 新疆和宁夏审定品种相关性状主成分
Tab.5 Principal component analysis of correlation of approved varieties in Xinjiang and Ningxia
参数 Parameter | 成分1 Component 1 | 成分2 Component 2 | 成分3 Component 3 | 成分4 Component 4 | 成分5 Component 5 | 成分6 Component 6 | 成分7 Component 7 |
---|---|---|---|---|---|---|---|
新疆/宁夏 Xinjiang/Ningxia | |||||||
特征值 Eigen value | 9.493/5.149 | 2.646/2.370 | 1.768/2.321 | 1.388/1.590 | 1.095/1.314 | -/1.211 | -/1.189 |
贡献率 (%) Contributionrate | 41.275/22.388 | 11.504/10.303 | 7.688/10.092 | 6.033/6.912 | 4.762/5.832 | -/5.267 | -/5.171 |
累计百分率 Cummulative percentage (%) | 41.275/22.388 | 52.780/32.691 | 60.467/42.783 | 66.500/49.695 | 71.262/55.527 | -/60.794 | -/65.966 |
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