5Moran R, Garcia R, Lopez A, et al. Transgenie sweet potato plants carrying the delt - endotoxin gene from Bacillus thuringiensis var. tenebrionis [ J ]. Plant Science, 1999 ( 139 ) : 175-184.
6Yu C Z, Fu W Z, He W Z, et al. Breeding of Quanshu No. 9 a new sweetpotato variety with high starch content and high yield// Qingchang Liu. Sustainable sweetpotato production technology for food, energy, healgh and environment: Proceeding's of 3^rd china - Japan - Korea Workshop on Sweetpotato [ C ]. Beijing : China Agricultural University Press,2008:89-94.
7Li Q, Li P, Liu Q C, et al. Genetic difference of sweetpotato cultivars in East Asia as revealed by AFLP mark// Qingchang Liu. Sustainable sweetpotato production technology for 'food, energy, healgh and environment : Proeeeding's of 3^rd china - Japan - Korea Workshop on Sweetpotato [ C ]. Beijing: China Agricultural University Press, 2008 : 3 - 11.