作物杂志Issue(3)：23-29,7.DOI:10.16035/j.issn.1001-7283.2025.03.004
斑茅割手密复合体与甘蔗杂交后代F1改良效率分析
Analysis of the Improvement Efficiency of F1 Hybrids between Intergeneric Hybrid(Tripidium arundinaceum×Saccharum spontaneum)and Sugarcane
摘要
Abstract
The exploration of stress-resistant,strong ratooning ability,and wide adaptability in related sugarcane species such as Tripidium arundinaceum and Saccharum spontaneum renders these species valuable genetic resources for sugarcane breeding.The incorporation of genes from T.arundinaceum and S.spontaneum into sugarcane cultivars via outcrossing promises to expand the genetic diversity of sugarcane,enhance resistance to key pests and diseases,and improve yield.This investigation employed two pairs of EST-SSR primers to confirm the authenticity of the F1 progeny resulting from the cross between sugarcane and the intergeneric hybrid(T.arundinaceum×S.spontaneum),and further analyzed the agronomic characteristics of their F1 generation.The F1 hybrids demonstrated segregation in both phenotypic and agronomic traits.The analysis revealed variability in five agronomic traits-plant height,stalk diameter,single stalk weight,millable stalk number,and brix ranged from 13.76%to 33.51%in the F1 population.The average millable stalk number in the F1 population exceeded that of both parents,while mean plant hight was greater than and stalk diameter equal to the parental averages.The mean single stem weight and brix value were lower than that of the parental average.A total of 68 genuine hybrid F1 were divided into four groups through cluster analysis.Among them,11 materials such as 221-79 and 221-103 in Group Ⅲ showed better comprehensive performance in agronomic traits such as brix and millable stalk number compared with other groups.关键词
甘蔗/斑茅/割手密/杂种鉴定/聚类分析Key words
Sugarcane/Tripidium arundinaceum/Saccharum spontaneum/Hybrid identification/Cluster analysis引用本文复制引用
黄玉新,张革民,周珊,段维兴,杨翠芳,高轶静,张保青..斑茅割手密复合体与甘蔗杂交后代F1改良效率分析[J].作物杂志,2025,(3):23-29,7.基金项目
国家重点研发计划项目(2022YFD2301100) （2022YFD2301100）
广西自然科学基金项目(2023GXNSFAA026088,2023GXNSFAA026354) （2023GXNSFAA026088,2023GXNSFAA026354）
广西农业科学院基本科研业务专项项目(桂农科2021YT004) （桂农科2021YT004）
