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2023, 03, v.40;No.168 11-16
基于主成分分析的不同小麦品种产量性状的综合评价
基金项目(Foundation): 江苏省种业振兴揭榜挂帅项目[JBGS(2021)049];; 镇江市重点研发计划(NY2021005);; 镇江市农业科学院青年基金(QNJJ2020003)
邮箱(Email): lds0538@163.com;
DOI: CNKI:SUN:DMKX.0.2023-03-001
摘要:

为选择适宜长江中下游淮南地区栽培环境的高产、抗赤霉病小麦品种,以长江中下游地区种植的8个品种为材料,分析参试品种的产量水平、产量构成因素、赤霉病抗性、灌浆速率,利用主成分分析对8个品种进行综合评价。结果表明:不同小麦品种在产量、生育期、灌浆速率和赤霉病抗性方面的差异均存在统计学意义,镇麦12、扬麦33产量优势明显,产量在8 000 kg/hm2以上,其中镇麦12灌浆速率高于其他品种,千粒质量最高;镇麦21和扬麦33表现出较强的赤霉病抗性。主成分分析将各性状提取为3个主成分因子,分别为籽粒因子、群体结构因子、成穗率因子,其累计贡献率达89.77%。根据综合评价得分高低,将品种排序为镇麦12>扬麦33>镇麦21>镇麦15>镇麦18>扬麦23>镇麦168>农麦88。因此,扬麦33、镇麦12、镇麦21在长江中下游地区具有生长优势,可以作为当地小麦生产的主推品种和小麦育种亲本选配的骨干材料。

Abstract:

In order to select the wheat varieties with high yield and resistance to scab suitable for the cultivation environment in Huainan area of the middle and lower reaches of the Yangtze River, the yield level, yield component factors, scab resistance and filling rate of 8 wheat varieties planted in the middle and lower reaches of the Yangtze River were analyzed, and the 8 wheat varieties were comprehensively evaluated by principal component analysis. The results showed that there were significant differences in yield, growth stages, filling rate and scab resistance among different wheat varieties. The yield of Zhenmai 12 and Yangmai 33 was more than 8 000kg/hm2. The filling rate of Zhenmai 12 was higher than that of other wheat varieties, and the 1 000-grain quality was the highest.Zhenmai 21 and Yangmai 33 showed strong resistance to scab. By principal component analysis, the characters were divided into three principal component factors, namely, grain factor, population structure factor and heading rate factor, and their cumulative contribution rate reached 89.77%. According to the comprehensive evaluation, the varieties ranked as follows: Zhenmai 12 > Yangmai 33 >Zhenmai 21 > Zhenmai 15 > Zhenmai 18 > Yangmai 23 > Zhenmai 168 > Nongmai 88. Therefore, Yangmai 33, Zhenmai 12 and Zhenmai 21 have growth advantages in the middle and lower reaches of the Yangtze River, and can be used as the main varieties for wheat production and the backbone materials for wheat breeding parents.

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基本信息:

DOI:CNKI:SUN:DMKX.0.2023-03-001

中图分类号:S512.1

引用信息:

[1]姚维成,孔强,殷树华,等.基于主成分分析的不同小麦品种产量性状的综合评价[J].大麦与谷类科学,2023,40(03):11-16.DOI:CNKI:SUN:DMKX.0.2023-03-001.

基金信息:

江苏省种业振兴揭榜挂帅项目[JBGS(2021)049];; 镇江市重点研发计划(NY2021005);; 镇江市农业科学院青年基金(QNJJ2020003)

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