河南农业科学2026，Vol.55Issue(6)：23-30,8.DOI:10.15933/j.cnki.1004-3268.2026.06.003
不同高粱种质在陇东旱作区的适应性综合评价
Comprehensive Evaluation of Adaptability of Different Sorghum Germplasms in Arid Region of Longdong
摘要
Abstract
Sixteen sorghum germplasms were evaluated for their agronomic and quality traits in the arid region of Longdong using diversity index,correlation analysis,and principal component analysis,so as to screen the suitable germplasms for cultivation and provide a basis for germplasm utilization and cultivar breeding.The results showed that agronomic traits and yield were significantly different among different germplasms.Yield ranged from 7.96 to 10.60 t/ha,with Jinchangzao A/8385 having the highest yield,and 3148A/PSR1 having the lowest yield.Plant height ranged from 131.67 to 189.67 cm,stem diameter ranged from 10.81 to 22.44 mm,panicle length ranged from 26.90 to 39.13 cm,panicle weight ranged from 93.33 to 186.00 g,grain weight per panicle ranged from 76.33 to 156.33 g,and 1 000-grain weight ranged from 22.90 to 36.73 g.Quality traits were also significantly different among different germplasms.The protein content ranged from 7.75%to 10.47%,fat content ranged from 2.30%to 4.09%,starch content ranged from 57.87%to 76.01%,and tannin content ranged from 0.37%to 1.46%.Protein content,yield,and panicle length displayed relatively high variation coefficients,whereas tannin content showed the lowest genetic diversity index.Plant height was significantly or highly significantly positively correlated with 1 000-grain weight,panicle weight,grain weight per panicle,and yield.Highly significantly positive correlations were detected among 1 000-grain weight,panicle weight,grain weight per panicle,and yield.Principal component analysis showed that the cumulative contribution rate of the top four principal components reached 80.51%.Among all germplasms,the comprehensive scores of LNHA/866,YuanA/15734R,and 6A/8801 ranked the top three.Overall,LNHA/866,YuanA/15734R,6A/8801 have superior traits in the Longdong region.关键词
高粱/性状/产量/品质/主成分分析/陇东旱作区Key words
Sorghum/Traits/Yield/Quality/Principal component analysis/Arid region of Longdong分类
农业科技引用本文复制引用
柳发财,付江鹏,闫宝琴,赵智慧,周英霞,魏玮,李利利,王永栋..不同高粱种质在陇东旱作区的适应性综合评价[J].河南农业科学,2026,55(6):23-30,8.基金项目
国家现代农业产业技术体系项目(CARS-06-14.5-B29) （CARS-06-14.5-B29）
