1 Institute of Fruit Tree Research, Guangdong Academy of Agricultural Sciences, Key Laboratory of South Subtropical Fruit Biology and Genetic Resource Utilization (Ministry of Agriculture and Rural Affairs), Guangdong Provincial Key Laboratory of Tropical and Subtropical Fruit Tree Research, Guangzhou, China.
2 College of Life Sciences, South China Agricultural University, Guangzhou, China.
3 Institute of Fruit Tree Research, Guangdong Academy of Agricultural Sciences, Key Laboratory of South Subtropical Fruit Biology and Genetic Resource Utilization (Ministry of Agriculture and Rural Affairs), Guangdong Provincial Key Laboratory of Tropical and Subtropical Fruit Tree Research, Guangzhou, China. yiganjun@vip.163.com.
4 Maoming Branch, Guangdong Laboratory for Lingnan Modern Agriculture, Maoming, China. yiganjun@vip.163.com.
5 Institute of Fruit Tree Research, Guangdong Academy of Agricultural Sciences, Key Laboratory of South Subtropical Fruit Biology and Genetic Resource Utilization (Ministry of Agriculture and Rural Affairs), Guangdong Provincial Key Laboratory of Tropical and Subtropical Fruit Tree Research, Guangzhou, China. bifangcheng@gdaas.cn.
6 Maoming Branch, Guangdong Laboratory for Lingnan Modern Agriculture, Maoming, China. bifangcheng@gdaas.cn.