00308nam a2200109 a 450000500170000000800410001704100080005810000170006624500660008326400330014930000160018220260717100948.0260717s2003    ii            000 0 eng d  aeng1 aVarma, S. K.12aA Textbook of Plant Physiology & Bio Chemistry /cVarma, S.K. 1aNew Delhi :bS.Chand,c2003.  a372 +243 p.