2Choi, I. Jin, Kim, Kyung Je, Lim, Jae Wook. The priming technology for increasing seed viability by using KNO3, K3PO4, and plant growth regulators in cacti. Journal of the Korean Society for Horticultural Science . 2001,42 (3) :346 -350.
3Ward F H,POWELL A A. Evidence for repair process in onion seeds during storage at high seed moisture contents[J].J Exp bIO,1983,34:277.
4Come D, Corbinau F. Recent Advance in the Development and Germination of Seeds. New York: Rlenum Press, 1989:165.