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090			_aB-21807
245	1	0	_aThe potassium requirement for growth and embryogenesis in wild carrot suspension cultures
490	0		_aPhysiol Plant, 37(1), p.73-79, 1976
500			_aArtículo
520	3		_aA requirement for potassium for growth and forembryogenesis in suspension cultures of wild carrot (Daucus carota L.) was demonstrated. The concentration of K+ required for maximal growth (1 mM) was less than that required for maximal embryogenesis (20 mM). Neither Na+ nor NH4+ could replace K+. Ammonium ion enhanced embryogenesis when K+ was present at suboptimal levels greater than 1 mM. Nitrogen sources strongly influenced growth and embryogenesis, but the effects of nitrogen were separable from those of K+. Subline differences were noted. Subline CSC-29 produced nearly half the maximum embryo number in 1 mM K+ while CSC-31 produced no embryos at that K+ concentration. Growth of CSC-29 was slightly repressed by Na+, but no more than by similarconcentrations of K+. Growth of CSC-31 in 1 mM K+ was strongly repressed by Na+. Embryogenesis in CSC-29 was unaffected by Na+. In CSC-31, Na+ repressed embryogenesis at lower concentrations of K+.
700	1	2	_aBrown, S.;Wetherell, D. F.;Dougall, D. K.
856	4	0	_uhttps://drive.google.com/file/d/1NsJnwL5Si67ooWSYfFs3bLLxc-ziiRSQ/view?usp=drive_link _zPara ver el documento ingresa a Google con tu cuenta: @cicy.edu.mx
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