Reinforcing salt tolerance of marjoram plants by foliar application of putrescine [electronic resource].

By: Contributor(s): Language: English Summary language: Arabic Description: p.2987-3004Other title:
  • زيادة تحمل نباتات البردقوش للملوحة باستخدام الرش بالبتروسين.‪‪ [Added title page title]
Uniform titles:
  • Mansoura university journal of agricultural sciences, 2003 v. 28 (4) [electronic resource].
Subject(s): Online resources: In: Mansoura University Journal of Agricultural Sciences 2003.v.28(4)Summary: 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,
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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,

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