期刊论文

中文

果树学报

1009-9980

2023

40

2

223-229

10.13925/j.cnki.gsxb.20220392

U21A20228:国家自然科学基金 2019RS1052:湖湘***人才聚集工程-创新人才

本校为第一机构

【目的】以沙田柚为母本,枳为父本杂交,以期获得具有枳优良特性并与柚嫁接亲和性强的砧木品种。【方法】 2018-2021年在广西阳朔进行常规有性杂交,共采集274个果实,已播种70个果实的种子获得1830株F1代植株,结合形态学与InDel分子标记对F1代进行鉴定。【结果】授粉果实种子数量及形态与母本沙田柚相似,数量多,平均达123粒,但较母本大并稍圆;含饱满种子与败育种子,饱满种子∶败育种子≈1∶2.64;其中28个杂交果实繁育群体的叶片均为三出复叶,计551株;42个杂交果实繁育群体的叶片均为单身复叶,计1279株,通过InDel标记鉴定出杂种苗698株。【结论】沙田柚×枳的杂交后代叶型差异较大,需结合InDel标记...

【Objective】 Hybrid breeding is the main way to breed new citrus varieties, and excellent rootstock breeding is also an important measure to improve the yield and quality of citrus. Pomelo has been developed steadily in China, and the main cultivars are Shatian pomelo and Guanxi pomelo. Due to the nonembryonic characteristics of pomelo, natural interspecific hybridization and seedling variation are easy to occur under seedling raising conditions. After thousands of years of genetic evolution, China’s pomelo germplasm resources have formed a l...