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245	1	0	_aEffects of mineral nutrition on endogenous cytokinins in plants of sunflower (Helianthus annuus L.)
490	0		_vJournal of Experimental Botany, 30(118), p.971-981, 1979
520	3		_aThe effects of inorganic nutrients on the levels of endogenous cytokinins in plants of sunflower (Helianthus annuusL.)grown in sand culture were studied. Low levels of nitrogen resulted in rapid decreases in the levels of cytokinins extracted from leaves, buds, roots, and root exudates. Similar effects were observed with phosphorus deficiency, but the effects of potassium deficiency on the cytokinin content of leaves was less marked. The cytokinin content was higher in plants supplied with nitrogen as nitrate than in those supplied with ammonium sulphate or ammonium nitrate.
650	1	4	_aCYTOKININS
700	1	2	_aEi-D, A. M. S. A.
700	1	2	_aSalama, A.
700	1	2	_aWareing, P. F.
856	4	0	_uhttps://drive.google.com/file/d/1c6EejcQLHvJPCq2Q7PllHVNPvKbECorq/view?usp=drivesdk _zPara ver el documento ingresa a Google con tu cuenta: @cicy.edu.mx
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