摘要
为了解玉林产区引种不同荔枝品种果实品质表现,筛选优质荔枝品种,优化品种布局,以近年来引种荔枝优新品种为供试材料,分别测定果实单果重、纵径、横径、果皮重量、果核重量、可溶性固形物含量、可食率、焦核率等数量性状指标,同时结合果皮颜色、果肉颜色、质地、香气、风味、涩味等质量性状进行综合评价.结果表明,果实品质性状综合得分由高到低依次是'仙进奉''冰荔''糯米糍''草莓荔''灯泡荔''唐夏红''红巨人''禾荔'.'仙进奉''冰荔''糯米糍'综合品质性状表现为优,在调整品种结构工作中可考虑作为备选品种.其余各个品种在某一性状上表现较佳,'草莓荔'焦核率高,'灯泡荔'可溶性固形物含量高,'唐夏红'和'红巨人'单果重较大,'红巨人'果型最大.研究结果可为玉林产区荔枝优质品种选育及种质资源创新利用提供依据.
Abstract
In order to understand the fruit quality performance of different litchi cultivars introduced in Yulin area,and select high quality litchi cultivars and optimize the layout of local varieties,this study used the new litchi cultivars introduced to Yulin area as test materials,and fruit quantitative traits including single fruit weight,longitudinal diameter,transverse diameter,peel weight,seed weight,total soluble solid,edible rate and char kernel rate were determined respectively,while the comprehensive evaluation was conducted in combination with the quality traits such as peel color,flesh color,texture,aroma,flavor and astringency.The results showed that the comprehensive scores of fruit quality traits from high to low were'Xianjinfeng','Bingli','Nuomici','Caomeili','Dengpaoli','Tangxiahong','Hongjuren'and'Heli'.The comprehensive quality traits of'Xianjinfeng','Bingli'and'Nuomici'were superior,and they could be considered as alternative varieties in adjusting the variety structure.The other litchi cultivars had better performance in someone trait:'Caomeili'had a high char kernel rate;'Dengpaoli'had a high soluble solids content;'Tangxiahong'and'Hongjuren'had a relatively heavy single fruit weight,and'Hongjuren'had the largest fruit size.The results of this study would be of great significance for the breeding selection of high-quality litchi cultivars and the innovative utilization of litchi germplasm resources in Yulin area.
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