Ghallab, A.M. creator EI-Ghadban, E.A.E. text bibliography ua 2003 continuing eng ara

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p.2987-3004 The aim of the present work was to study the effectiveness foliar application of putrescine [0.0, 10, 15 and 20 f.lM] in improving the salinity tolerance of marjoram plants. Marjoram plants grown under different levels of salinity [0.0, 10, 25 and 40% of sea water]. For this reason two pot experiments were conducted during 2001 and 2002 seasons. The obtained results clearly confirmed the absolute superiority of foliar application of 10 1..1 M putrescine treatment, which significantly increased plant height, number of branches/plant, herb fresh and dry weight /plant, essential oil percentage [ml/100 g F.W] and oil yield [ml/plant] under norm~l or saline conditions up to 25% sea water. The data also revealed that tolerance, which was much pronounced as a result of foliar application of 10 llM treatment, was more negative osmotic potentials (Osmotic Adjustment) through the accumolation of much more quantities of inorganic osmotica, Includes references. Summary in Arabic. Medicinal plants Aromatic plants Fertilizers Putrescine marjoram 1110-0346 u182197 2003.v.28(4) http://nile.enal.sci.eg/EALE/2003/MUJAS/2803/4/2987.pdf http://nile.enal.sci.eg/EALE/2003/MUJAS/2803/4/2987.pdf EAL 131001 u205389