Lv lingling1*, Lei Jianjun2, Song-Ming3, Li Liyun4, Cao Bihao5
1Southern Subtropical Crop Research Institute, Zhan Jiang, Guang Dong , 524091 China.
2South China Agricultural University, Guang Zhou, Guang Dong, 510642 China.
3Southwest Agricultural University, Chong Qing, 400716 China.
4Agriculture & Industry & Commerce Secondary professional School, Zhan Jiang, Guang Dong , 524091China.
