4A H Freytag, S C Anand, A P Rao-Arelli, and L D Owens. An improved medium for adventitious shoot formation and eaUus induetion in Beta vulgaris L. in vitro [J]. Plant Cell Reports, 1988(7): 30-34.
5M R Rady and Z A ALI. Comparison of physiology and anatomy of seedlings and regenerants of Sugar beet [J]. Biologia Plantarum, 1999, 42(1): 39-48.
6Zhong xian.Zhong, Helen G Smith & Tudor H Thomas. Micropropagation of wild beet (Beta maritima L.) from inflorescence pieces[J]. Plant Growth Regulation,1993,(12): 53-57.
7J W Saunders. A flexible in vitro shoot culture propagation system for sugarbeet that includes rapid floral induction of rarnets[J]. Crop Science,1982,(22): 1102-1105.
8A C Tavares, M C Pimenta, and M T Goncalves. Micropropagation of Melissa ofl'wonalis L. through proliferation of axillary shoots[J]. Plant Cell Reports, 1996,(15): 441 -444.
9C F Sullivan, I Finch, P J Dix and J L Burke .Studies of in vitro propagation systems for sugarbeet[J]. Irish Journal of Agriculture and Food Research, 1993,(32): 27-35.
10Zhong xian.Zhong, Helen G. Smith & Tudor H. Thomas. In vitro culture of petioles and intact leaves of sugarbeet (Beta vulgaris L)[J]. Plant Growth Regulation, 1993,(12): 59-66.