摘要
种质资源是农业科技原始创新与现代种业发展的物质基础,优异种质为培育优良棉花品种提供了材料基础。本研究以230份棉花种质资源为材料,利用遗传多样性、相关性分析、主成分分析以及聚类分析等方法对其13个表型性状指标进行分析。结果表明,13个性状的变异系数在0.90%~22.43%之间,其中整齐度指数的变异系数最小,单株结铃数的变异系数最大。各表型性状的遗传多样性指数在1.92~2.07之间,马克隆值的遗传多样性指数最大,单株结铃数的遗传多样性指数最小。主成分分析结果显示,6个主成分的累计贡献率可达74.413%,其中第1主成分、第5主成分和第6主成分可合并为纤维品质因子,第2主成分、第3主成分可合并为棉花产量因子,第4主成分为植株性状因子。聚类分析把230份棉花种质资源材料分成3类,其中类群II是产量与纤维品质性状综合表现较好的类群。最后依据综合评价D值进行评价,初步筛选出29份表现较好的棉花品种,在育种工作中可根据育种目标对其进行针对性的改良。
棉花是一种至关重要的经济作物和储备战略物资,在我国的社会经济中占据极其关键的位
然而,长期以来种质资源的研究和重视程度不够,投入的资金与科研力量缺乏,导致棉花种质资源在研究内容与技术方法上相对滞后,这成为限制棉花品种选育效率提高的关
本研究以230份来自不同地区的棉花种质资源为研究对象,针对果枝节位、株高、始果节高、单株结铃数、果枝数、单铃重、衣分、短绒率、断裂比强度、伸长率、马克隆值、整齐度指数和纤维长度等13个性状指标进行遗传多样性、相关性、主成分和聚类分析,筛选出优质种质,为棉花育种工作奠定资源基础。
供试的棉花种质材料230份(详见https://doi.org/10.13430/j.cnki.jpgr. 20231206003,
性状 Traits | 极差 Range | 极小值 Min. | 极大值 Max. | 均值 Mean | 标准差Standard deviation | 变异系数(%) CV | 遗传多样性指数 Genetic diversity index |
---|---|---|---|---|---|---|---|
株高(cm)PH | 41.67 | 34.80 | 76.47 | 52.28 | 10.05 | 19.23 | 1.98 |
果枝数FBN | 4.07 | 6.33 | 10.40 | 7.80 | 0.69 | 8.78 | 2.02 |
果枝节位SBN | 1.87 | 4.07 | 5.93 | 5.05 | 0.26 | 5.21 | 1.94 |
始果节高(cm)IFNH | 18.13 | 16.40 | 34.53 | 25.09 | 3.23 | 12.86 | 2.06 |
单株结铃数 BN | 13.00 | 2.87 | 15.87 | 7.71 | 1.73 | 22.43 | 1.92 |
单铃重(g)BW | 2.86 | 4.57 | 7.43 | 5.65 | 0.57 | 10.00 | 2.04 |
衣分(%)LP | 13.86 | 36.07 | 49.93 | 44.48 | 2.26 | 5.08 | 2.02 |
纤维长度(mm)FL | 6.23 | 28.18 | 34.41 | 30.84 | 1.09 | 3.53 | 2.05 |
整齐度指数(%)UI | 4.40 | 82.77 | 87.17 | 85.42 | 0.77 | 0.90 | 2.01 |
马克隆值MIC | 2.00 | 3.46 | 5.45 | 4.50 | 0.36 | 7.93 | 2.07 |
断裂比强度(cN/tex)BS | 11.97 | 25.43 | 37.40 | 31.98 | 2.12 | 6.63 | 2.01 |
伸长率(%)FE | 1.20 | 6.40 | 7.60 | 6.91 | 0.18 | 2.56 | 2.01 |
短绒率(%)SFI | 2.67 | 5.60 | 8.27 | 6.81 | 0.33 | 4.81 | 1.95 |
PH: Plant height; FBN: Fruit branch number; SBN: Sympodial brand node; IFNH: Initial fruit node height; BN: Boll number; BW: Boll weight; LP: Lint percentage; FL: Fibre length; UI: Uniformity index; MIC: Micronaire; BS: Breaking strength; FE: Fiber elongation; SFI: Short fiber index; The same as below
依照棉花种质资源描述规范和数据标
由
230份棉花种质资源13个主要性状间存在复杂的相关关系(

图1 供试种质资源性状的相关性分析
Fig.1 Correlation analysis of traits of tested germplasm resources
*、**、***分别表示在0.05、0.01、0.001水平下显著相关
*, ** and *** indicated significant correlation at 0.05, 0.01 and 0.001 levels, respectively
将230份棉花种质资源的13个性状进行主成分分析,前6个主成分的累计贡献率达到74.413%,涵盖了性状的绝大多数信息(
性状 Traits | 主成分Principal components | |||||
---|---|---|---|---|---|---|
1 | 2 | 3 | 4 | 5 | 6 | |
株高PH | 0.241 | -0.353 | 0.200 | 0.623 | 0.159 | 0.011 |
果枝数FBN | 0.416 | -0.028 | 0.757 | -0.233 | 0.046 | -0.184 |
果枝节位SBN | 0.216 | 0.571 | -0.020 | 0.152 | -0.414 | 0.340 |
始果节高IFNH | 0.561 | 0.325 | -0.030 | 0.331 | -0.477 | -0.075 |
单株结铃数 BN | 0.383 | 0.315 | 0.673 | -0.291 | -0.061 | -0.187 |
单铃重BW | -0.220 | 0.560 | -0.351 | -0.022 | 0.134 | -0.081 |
衣分LP | 0.057 | 0.672 | -0.008 | 0.215 | 0.009 | -0.212 |
纤维长度FL | 0.765 | -0.097 | -0.395 | -0.369 | -0.067 | -0.057 |
整齐度指数UI | 0.493 | -0.018 | -0.025 | 0.593 | 0.327 | -0.276 |
马克隆值MIC | -0.287 | 0.610 | 0.079 | -0.034 | 0.575 | 0.023 |
断裂比强度BS | 0.380 | 0.022 | 0.279 | 0.147 | 0.188 | 0.712 |
伸长率FE | 0.654 | 0.125 | -0.197 | -0.291 | 0.347 | 0.195 |
短绒率SFI | -0.842 | 0.091 | 0.377 | 0.074 | -0.129 | 0.123 |
特征值 Characteristic value | 2.983 | 1.827 | 1.612 | 1.307 | 1.063 | 0.882 |
贡献率 Contributions rate | 22.946 | 14.053 | 12.399 | 10.053 | 8.177 | 6.786 |
累计贡献率 Cumulative contributions rate | 22.946 | 36.998 | 49.397 | 59.450 | 67.627 | 74.413 |
把13个表型性状进行标准化处理,然后代入6个主成分,可得到各品种的6个主成分得分F,6个主成分的线性方程如公式(
F1=0.241Z1+0.416Z2+0.216Z3+0.561Z4+0.383Z5-0.220Z6+0.057Z7+0.765Z8+0.493Z9-0.287Z10+0.380Z11+0.654Z12-0.842Z13 | (1) |
F2=-0.353Z1-0.028Z2+0.571Z3+0.325Z4+0.315Z5+0.560Z6+0.672Z7-0.097Z8-0.018Z9+0.610Z10+0.022Z11+0.125Z12+0.091Z13 | (2) |
F3=0.200Z1+0.757Z2-0.020Z3-0.030Z4+0.673Z5-0.351Z6-0.008Z7-0.395Z8-0.025Z9+0.079Z10+0.279Z11-0.197Z12+0.377Z13 | (3) |
F4=0.623Z1-0.233Z2+0.152Z3+0.331Z4-0.291Z5-0.022Z6+0.215Z7-0.369Z8+0.593Z9-0.034Z10+0.147Z11-0.291Z12+0.074Z13 | (4) |
F5=0.159Z1+0.046Z2-0.414Z3-0.477Z4-0.061Z5+0.134Z6+0.009Z7-0.067Z8+0.327Z9+0.575Z10+0.188Z11+0.347Z12-0.129Z13 | (5) |
F6=0.011Z1-0.184Z2+0.340Z3-0.075Z4-0.187Z5-0.081Z6-0.212Z7-0.057Z8-0.276Z9+0.023Z10+0.712Z11+0.195Z12+0.123Z13 | (6) |
式中Z1~Z13分别代表13个性状,把6个主成分的方差贡献率分别除以其累计贡献率可得各主成分的权重,分别为0.308、0.189、0.167、0.135、0.110、0.091,然后将主成分得分与其对应的权重值进行加权求和,得到综合评价D值公式,D=0.308×F1+0.189×F2+0.167×F3+0.135×F4+0.110×F5+0.091×F6,最终得出230份棉花种质材料的综合评价D值。结果显示(
序号 No. | 品种名称 Variety | D值 D value | 序号 No. | 品种名称 Variety | D值 D value | 序号 No. | 品种名称 Variety | D值 D value | 序号 No. | 品种名称 Variety | D值 D value |
---|---|---|---|---|---|---|---|---|---|---|---|
1 | 金垦1441 | 0.746 | 9 | 新石K33 | 0.638 | 17 | Z1112 | 0.618 | 25 | 新陆中88号 | 0.607 |
2 | 新陆早80号 | 0.708 | 10 | 惠远162 | 0.634 | 18 | 庄稼汉701 | 0.614 | 26 | C4-16 | 0.606 |
3 | 新石K18 | 0.683 | 11 | 新陆早49号 | 0.628 | 19 | 酒棉10号 | 0.614 | 27 | 新早棉107 | 0.605 |
4 | 金垦1402 | 0.679 | 12 | 子鼎6号 | 0.627 | 20 | C-4757 | 0.613 | 28 | 新陆早82号 | 0.605 |
5 | 新陆早13号 | 0.679 | 13 | 新陆早33号 | 0.626 | 21 | 新陆中80号 | 0.612 | 29 | 苏联棉34系 | 0.602 |
6 | 新石H16 | 0.671 | 14 | 新陆中81号 | 0.623 | 22 | 苏联棉29系 | 0.611 | |||
7 | 新陆中14号 | 0.663 | 15 | KK-1543 | 0.623 | 23 | 苏联2302 | 0.610 | |||
8 | 金垦1565 | 0.640 | 16 | 新陆中56号 | 0.609 | 24 | 新陆早65号 | 0.621 |
其余201份棉花种质材料的综合评价值及排序详见https://doi.org/10.13430/j.cnki.jpgr. 20231206003,附表1
The comprehensive evaluation value and ranking of the remaining 201 cotton germplasm materials see https://doi.org/10.13430/j.cnki.jpgr.20231206003, Schedule 1 for details
利用R语言对230份棉花种质资源进行系统聚类,在欧氏距离10.4处将其分成3个类群(

图2 供试种质资源聚类图
Fig.2 Cluster analysis of tested germplasm resource
类群 Group | 株高 (cm) PH | 果枝数 FBN | 果枝 节位 SBN | 始果节高(cm) IFNH | 单株结铃数 BN | 单铃重(g) BW | 衣分 (%) LP | 纤维长度(mm) FL | 整齐度指数(%)UI | 马克隆值 MIC | 断裂比强度(cN/tex) BS | 伸长率(%) FE | 短绒率(%) SFI |
---|---|---|---|---|---|---|---|---|---|---|---|---|---|
Ⅰ | 66.39 | 7.90 | 5.06 | 25.18 | 7.74 | 5.51 | 43.96 | 30.65 | 85.79 | 4.46 | 32.34 | 6.90 | 6.79 |
Ⅱ | 55.41 | 7.83 | 5.03 | 25.16 | 7.88 | 5.50 | 44.10 | 31.10 | 85.41 | 4.33 | 32.15 | 6.91 | 6.76 |
Ⅲ | 45.41 | 7.75 | 5.04 | 25.04 | 7.66 | 5.74 | 44.79 | 30.87 | 85.25 | 4.56 | 31.78 | 6.91 | 6.84 |
表型性状分析是探索作物遗传多样性最有效也是最直观的方
相关性分析结果表明,果枝数与单株结铃数、断裂比强度呈极显著正相关,与伸长率呈显著正相关,与单铃重呈极显著负相关,说明果枝数越多,单株结铃数增加,断裂比强度和伸长率等品质指标也相应提高,但单铃重会有所降低;单株结铃数增加,断裂比强度和伸长率的值也会相应增加;单铃重越高,衣分越高、马克隆值越大,棉纤维越粗,成熟度越高;纤维长度越长,伸长率越长,马克隆值和短绒率越小,棉花纤维品质越好。这与王燕
鉴于陆地棉的表型性状较多,且性状之间具有复杂的相关关系,为了筛选出作物育种过程中较为关键的性状指标,可以通过主成分分析的方法把多个有相关关系的性状指标转化成彼此独立的综合指
聚类分析是依据种质的性状特征,将性状相近的种质进行聚合,性状相差较大的种质则会划分到不同的类别。张磊磊
参考文献
李先东,米巧,余国新.中国棉花种植成本收益的演变.中国农业资源与区划,2016,37(3):5-10,68 [百度学术]
Li X D, Mi Q, Yu G X. Evolvement of Chinese cotton cost-benefit. Chinese Journal of Agricultural Resources and Regional Planning,2016,37(3):5-10,68 [百度学术]
黄璐,宋玉兰.新疆棉花生产效率发展现状分析.山西农业科学,2017,45(6):1020-1023 [百度学术]
Huang L, Song Y L. Analysis on development status of cotton production efficiency in Xinjiang. Journal of Shanxi Agricultural Sciences,2017,45(6):1020-1023 [百度学术]
辛明华,王占彪,韩迎春,范正义,冯璐,杨北方,李小飞,王国平,雷亚平,邢芳芳,熊世武,李亚兵.新疆机采棉发展回顾、现状分析及措施建议.中国农业科技导报,2021,23(7):11-20 [百度学术]
Xin M H, Wang Z B, Han Y C, Fan Z Y, Feng L, Yang B F, Li X F, Wang G P, Lei Y P, Xing F F, Xiong S W, Li Y B. Review, status and measures of Xinjiang machine-picked cotton. Journal of Agricultural Science and Technology,2021,23(7):11-20 [百度学术]
王俊铎,梁亚军,龚照龙,艾先涛,郭江平,买买提·莫明,李雪源,赵素琴,郑巨云.新疆植棉区2019年棉花种业报告.棉花科学,2021,43 (1): 3-10 [百度学术]
Wang J D, Liang Y J, Gong Z L, Ai X T, Guo J P, Maimaiti M M, Li X Y, Zhao S Q, Zheng J Y. Cotton seed industry report in Xinjiang cotton planting area in 2019. Cotton Sciences, 2021, 43 (1): 3-10 [百度学术]
于雅雯,魏敬周.农业供给侧改革对中国棉花生产品质变化的影响分析.中国农业资源与区划,2022,43(4):150-162 [百度学术]
Yu Y W, Wei J Z. Analysis on the impact of agricultural supply side reform on the change of cotton production quality in China. Chinese Journal of Agricultural Resources and Regional Planning,2022,43(4):150-162 [百度学术]
王兰.山东省小麦玉米产量差及影响因素研究.泰安:山东农业大学,2019 [百度学术]
Wang L. Study on yield gap of wheat and maize and its influencing factors in Shandong province.Taian: Shandong Agricultural University,2019 [百度学术]
贾子昉,赵海红,李成奇,王清连.棉花种质资源遗传多样性研究进展.贵州农业科学,2014,42(1):16-20 [百度学术]
Jia Z F, Zhao H H, Li C Q, Wang Q L. Advances on genetic diversity of cotton germplasm resources.Guizhou Agricultural Sciences,2014,42(1):16-20 [百度学术]
董承光,李保成,李生秀,周小凤,马晓梅,肖光顺.新疆北疆早熟棉育种进展现状及存在的问题.中国棉花,2011,38(12):8-10 [百度学术]
Dong C G, Li B C, Li S X, Zhou X F, Ma X M, Xiao G S. Progress and problems of early-maturity upland cotton breeding in North Xinjiang area.China Cotton,2011,38(12):8-10 [百度学术]
程郁,叶兴庆,宁夏,殷浩栋,伍振军,陈凯华.中国实现种业科技自立自强面临的主要“卡点”与政策思路.中国农村经济,2022(8):35-51 [百度学术]
Cheng Y, Ye X Q, Ning X, Yin H D, Wu Z J, Chen K H. The main “stumbling blocks” and policy suggestions for China's seed industry to achieve self-reliance and self-improvement in science and technology. Chinese Rural Economy,2022(8):35-51 [百度学术]
吴迷,汪念,沈超,黄聪,温天旺,林忠旭.基于重测序的陆地棉InDel标记开发与评价.作物学报,2019,45(2):196-203 [百度学术]
Wu M, Wang N, Shen C, Huang C, Wen T W, Lin Z X. Development and evaluation of lnDel markers in cotton based on whole-genome re-sequencing data. Acta Agronomica Sinica,2019,45(2):196-203 [百度学术]
翟书伟,邓婷婷,曹云泉,陈奇,汤盈盈,袁宝童,汪保华.基于SSR标记的26份棉花材料的遗传多样性分析.种子,2020,39(10):67-72 [百度学术]
Zhai S W, Deng T T, Cao Y Q, Chen Q, Tang Y Y, Yuan B T, Wang B H. Genetic diversity analysis of 26 cotton cultivars based on SSR markers. Seed,2020,39(10):67-72 [百度学术]
杜雄明,周忠丽.棉花种质资源描述规范和数据标准.北京:中国农业出版社, 2005:53-65 [百度学术]
Du X M, Zhou Z L.Cotton germplasm resources description specifications and data standards. Beijing:China Agriculture Press,2005:53-65 [百度学术]
吕伟,韩俊梅,文飞,任果香,王若鹏,刘文萍.不同来源芝麻种质资源的表型多样性分析.植物遗传资源学报, 2020, 21 (1): 234-242,251 [百度学术]
Lv W, Han J M, Wen F, Ren G X, Wang R P, Liu W P. Phenotypic diversity analysis of sesame germplasm resources.Journal of Plant Genetic Resources,2020, 21 (1): 234-242,251 [百度学术]
丁丁,郑伶杰,王红宝,郑丽锦,郭艳超. 滨海地区不同茶菊品种农艺性状及有效成分综合评价. 中国农业科技导报, 2023, 25 (10): 45-53 [百度学术]
Ding D, Zheng L J, Wang H B, Zheng L J, Guo Y C. Agronomic traits and effective components of different tea Chrysanthemum varieties in coastal area.Journal of Agricultural Science and Technology, 2023, 25 (10): 45-53 [百度学术]
王业举,张虎,张博,常玉杰,高文举,耿世伟,陈琴,陈全家. 235份陆地棉表型性状遗传多样性分析. 江苏农业学报, 2023, 39 (3): 636-644 [百度学术]
Wang Y J, Zhang H, Zhang B, Chang Y J, Gao W J, Geng S W, Chen Q, Chen Q J. Genetic diversity analysis of 235 upland cotton materials phenotypic traits. Jiangsu Journal of Agricultural Sciences,2023, 39 (3): 636-644 [百度学术]
郭学斌.山西省中国沙棘天然种群优树表型变异研究.林业科学研究,2021,34(4):111-119 [百度学术]
Guo X B. Study on phenotypic variations of elite trees in natural populations of Hippophae rhamnoides L. subsp. sinensis Rousi in Shanxi. Forest Research,2021,34(4):111-119 [百度学术]
董方,李小飞,沈思言,杨菲颖,金玲莉,涂娟,吴月坤,董越,陈罗君,谢枫.江西茶树资源的遗传多样性分析及优异种质筛选.江西农业大学学报,2022,44(6):1466-1477 [百度学术]
Dong F, Li X F, Shen S Y, Yang F Y, Jin L L, Tu J, Wu Y K, Dong Y, Chen L J, Xie F. Genetic diversity analysis and screening of excellent germplasm of tea plant resources in Jiangxi. Acta Agriculturae Universitatis Jiangxiensis, 2022,44(6):1466-1477 [百度学术]
黄璐.栽培花生种质资源遗传多样性研究.沈阳:沈阳农业大学,2019 [百度学术]
Huang L. Genetic diversity of cultivated peanut germplasm resources. Shenyang:Shenyang Agricultural University, 2019 [百度学术]
王秀秀,邢爱双,杨茹,何守朴,贾银华,潘兆娥,王立如,杜雄明,宋宪亮. 陆地棉种质资源表型性状综合评价.中国农业科学,2022,55(6):1082-1094 [百度学术]
Wang X X, Xing A S, Yang R, He S P, Jia Y H, Pan Z E, Wang L R, Du X M, Song X L. Comprehensive evaluation of phenotypic characters of nature population in upland cotton.Scientia Agricultura Sinica,2022,55(6):1082-1094 [百度学术]
李慧琴,于娅,王鹏,刘记,胡伟,鲁丽丽,秦文强. 270份陆地棉种质资源农艺性状与品质性状的遗传多样性分析.植物遗传资源学报,2019,20(4):903-910 [百度学术]
Li H Q, Yu Y, Wang P, Liu J, Hu W, Lu L L, Qin W Q. Genetic diversity analysis of the main agronomic and fiber quality characteristics in 270 upland cotton germplasm resources. Journal of Plant Genetic Resources,2019,20(4):903-910 [百度学术]
王燕,王树林,张谦,冯国艺,雷晓鹏,梁青龙,祁虹. 机采棉主要农艺性状与密度相关性分析.作物杂志,2019(6):66-70 [百度学术]
Wang Y, Wang S L, Zhang Q, Feng G Y, Lei X P, Liang Q L, Qi H. Correlation analysis between main agronomic traits and density in mechanical harvest cotton.Crops,2019(6):66-70 [百度学术]
王天友,王有武,曹新川,刘春艳,秦宁,何良荣. 南疆陆地棉种质资源表型性状遗传多样性分析.种子,2020,39(4):5-11 [百度学术]
Wang T Y, Wang Y W, Cao X C, Liu C Y, Qin N, He L R. Genetic diversity analysis based on phenotypic traits of upland cotton germplasms in southern Xinjiang region.Seed,2020,39(4):5-11 [百度学术]
钱玉源,刘祎,崔淑芳,王广恩,张曦,金卫平,李俊兰. 基于表型的棉花种质资源遗传多样性分析及核心种质的抽提.华北农学报,2019,34(S1):29-35 [百度学术]
Qian Y Y, Liu Y, Cui S F, Wang G E, Zhang X, Jin W P, Li J L. Analysis of genetic diversity of cotton germplasm resources and extraction of core germplasm based on phenotypic traits.Acta Agriculturae Boreali-Sinica,2019,34(S1):29-35 [百度学术]
Shakeel A, Talib I, Rashid M, Saeed Asif, Ziaf K, Saleem M. Farrukh. Genetic diversity among upland cotton genotypes for quality and yield related traits.Pakistan Journal of Agricultural Sciences,2015,52(1):73-77 [百度学术]
尹会会,李秋芝,李海涛,王士红,李彤,商娜,张晗,杨中旭. 134份国外陆地棉种质主要农艺性状与纤维品质性状的遗传多样性分析.植物遗传资源学报,2017,18(6):1105-1115 [百度学术]
Yin H H, Li Q Z, Li H T, Wang S H, Li T, Shang N, Zhang H, Yang Z X. Analysis of genetic diversity of the main agronomic and fibre quality characters of 134 foreign upland cotton germplasms.Journal of Plant Genetic Resources,2017,18(6):1105-1115 [百度学术]
张磊磊,范阿棋,洪梅,马志华,陈晋瑞,赵双印,郑凯,吐尔逊·吐尔洪.647份海岛棉种质资源遗传多样性分析.植物遗传资源学报,2023,24(1):307-324 [百度学术]
Zhang L L, Fan A Q, Hong M, Ma Z H, Chen J R, Zhao S Y, Zheng K, Tuerxun T H. Genetic diversity analysis of 647 sea island cotton germplasm resources.Journal of Plant Genetic Resources,2023,24(1):307-324 [百度学术]
热比耶·玉荪,吾买尔·库尔班,张哲,买买提·莫明,艾先涛.288份陆地棉种质资源主要性状遗传多样性分析.新疆农业科学,2022,59(12):2879-2887 [百度学术]
Rebiya Y S, Wumaier K E B, Zhang Z, Maimaiti M M, Ai X T. Analysis of genetic diversity of main characters in 288 upland cotton germplasm resources.Xinjiang Agricultural Sciences,2022,59(12):2879-2887 [百度学术]
金宇豪,阳会兵,高倩文,王峰,周仲华,马肖,文双雅,胡海燕. 陆地棉纤维品质和农艺性状遗传多样性分析及优良材料鉴定.东北农业大学学报,2022,53(2):1-12 [百度学术]
Jin Y H, Yang H B, Gao Q W, Wang F, Zhou Z H, Ma X, Wen S Y, Hu H Y. Genetic diversity analysis of fiber quality and agronomic traits and identification of superior materials in upland cotton.Journal of Northeast Agricultural University,2022,53(2):1-12 [百度学术]
董承光,王娟,周小凤,马晓梅,李生秀,余渝,李保成. 基于表型性状的陆地棉种质资源遗传多样性分析.植物遗传资源学报,2016,17 (3):438-446 [百度学术]
Dong C G, Wang J, Zhou X F, Ma X M, Li S X, Yu Y, Li B C. Evaluation on genetic diversity of cotton germplasm resources(Gossypium hirsutum L.) on morphological characters.Journal of Plant Genetic Resources,2016,17 (3):438-446 [百度学术]