5DE M W E.Genetical and morphological studies on fringed and on parrot tulips[J].Gartenbauwiss,1939,13:212.
6TIMMER M J G.Growth and selection in tulip planting stock.Ⅱ.The planting stock[J].Bloembollencultuur,1974,84(44):1063-1064.
7TIMMER M J G.Growth and selection in tulip planting stock.Ⅲ.Bulbet production[J].Bloembollencultuur,1974,84(45):1084-1085.
8TIMMER M J G.Growth and selection in tulip planting stock.Ⅳ.Weight of the harvested crop and size distribution[J].Bloembollencultuur,1974,84 (46):1106-1107.
9TIMMER M J G.Growth and selection in tulip planting stock.Ⅴ.Size distribution[J].Bloembollencultuur,1974,84 (47):1127.
10TIMMER M J G.Growth and selection in tulip planting stock.Ⅵ.Selection(planting stock)[J].Bloembollencultuur,1974,84 (48):1155.
8Albacete A, Ghanem M E, Martinez-Andujar C, Acosta M, Sanc- hez-Bravo J, Marttnez V, Lutts S, Dodd I C, Perez-Alfocea F. 2008. Hormonal changes in relation to biomass partitioning and shoot growth impairment in salinized tomato ( Solanum lycopersicum L. ) plants. Journal of Experimental Botany, 59 ( 15 ): 4119- 4131.
9Amini F, Ehsanpour A A, Hoang Q T, Shin J S. 2007. Protein pattern changes in tomato under in vitro salt stress. Russ J Plant Physiol, 54: 464-471.
10Bilderbaek T E, Warren S L, Owen J S, Alhano J P. 2005. Healthy substrates need physicals too ! Horl Technology, 15 ( 4 ): 747- 751.