Chromosomal Transmission in F_2BC_1Hybrid Progenies between Sugarcane and Erianthus fulvus

查看全文 作　　者：Xianhong [1]WANG;Fusheng [1]LI;Lilian [1]HE;Hongbo [1]LOU;Qinghui [1]YANG;Shunchang [1]HE

机构地区：[1]Sugarcane Research Institute,Yunnan Agricultural University

出　　处：《Agricultural Biotechnology》索引2014年第3卷第6期,共3页

基　　金：Supported by National Natural Science Foundation of China'Study on Chromosomal Transmission Pattern and Specific DNA Sequence Mapping in Erianthus fulvus Hybrids(30960045);Program for Construction of Modern Agricultural Sugarcane Industry Technology System of Yunnan Province'Breeding and Reproduction Laboratory Post'(YCJ[2013]No.160);Key Project of New Product Development of Yunnan Province'Breeding and Industrial Development of New Varieties of High-yield and High-sugar Ratoon Sugarcane'(Agriculture,2012BB014);Innovation Team Project for Sustainable Production System of Mountain Plateau Crops of Yunnan Agricultural University'Innovation and Utilization of Special Mountain Plateau Crop Germplasms'(YKRF[2012]No.18);Fund of Education Department of Yunnan Province'Genetic Diversity of Sugarcane Wild Species Erianthus fulvus'(2011C174) 摘　　要：[Objective]This study aimed to provide a scientific basis for breeding new sugarcane varieties with hybrid progenies of Erianthus fulvus and modifying existing sugarcane cultivars.[Method]Chromosomal slides of the F2 and F2BC1hybrid progenies between sugarcane and E. fulvus( 2n = 20) and those of parental materials were prepared with the wall degradation hypotonic method,to further analyze the chromosomal transmission in the F2 and F2BC1hybrid progenies and to investigate the chromosome transmission mechanism.[Result]The results showed that,somatic chromosome number varied in various hybrid progenies; chromosomes from parents were transmitted into the somatic cells of F2 hybrids in ' 2n + n' pattern and transmitted into the somatic cells of F2BC1 hybrids in ' n + n' pattern.[Conclusion]This study provided a preliminary cytological basis for further use of these materials in sugarcane breeding. 关键词：体细胞染色体数目杂交后代甘蔗品种 BC1 F2 斑茅传输材料制备

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Chromosomal Transmission in F_2BC_1Hybrid Progenies between Sugarcane and Erianthus fulvus

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