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Eissa, F., Fathi, M., El-Shall, S. (2007). RESPONSE OF PEACH AND APRICOT SEEDLINGS TO HUMIC ACID TREATMENTS UNDER SALINITY CONDITION. Journal of Plant Production, 32(5), 3605-3620. doi: 10.21608/jpp.2007.208147
Fawzia M. Eissa; M. A. Fathi; S. A. El-Shall. "RESPONSE OF PEACH AND APRICOT SEEDLINGS TO HUMIC ACID TREATMENTS UNDER SALINITY CONDITION". Journal of Plant Production, 32, 5, 2007, 3605-3620. doi: 10.21608/jpp.2007.208147
Eissa, F., Fathi, M., El-Shall, S. (2007). 'RESPONSE OF PEACH AND APRICOT SEEDLINGS TO HUMIC ACID TREATMENTS UNDER SALINITY CONDITION', Journal of Plant Production, 32(5), pp. 3605-3620. doi: 10.21608/jpp.2007.208147
Eissa, F., Fathi, M., El-Shall, S. RESPONSE OF PEACH AND APRICOT SEEDLINGS TO HUMIC ACID TREATMENTS UNDER SALINITY CONDITION. Journal of Plant Production, 2007; 32(5): 3605-3620. doi: 10.21608/jpp.2007.208147

RESPONSE OF PEACH AND APRICOT SEEDLINGS TO HUMIC ACID TREATMENTS UNDER SALINITY CONDITION

Article 16, Volume 32, Issue 5, May 2007, Page 3605-3620  XML PDF (950.47 K)
Document Type: Original Article
DOI: 10.21608/jpp.2007.208147
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Authors
Fawzia M. Eissa; M. A. Fathi; S. A. El-Shall
Hort. Res. Inst., Agric. Res. Center, Giza, Egypt
Abstract
            Peach (Prunus persica, Batsch) and apricot (P. armeniaca L.) seedlings were observed under 0, 1000 and 2000 ppm saline irrigation water containing mixed salts of: NaCl, CaCl2, MgSO4 and NaHCO3. Also, the effect of humic acid treatments as soil, foliar and soil + foliar applications on the growth parameters (shoot length, number of leaves, leaf area and leaf chlorophyll content), nutritional status (percentage of leaf dry matter and NPK content), root system growth (root length, number of roots, dry matter of main and secondary roots), toxic ions (chloride and sodium leaf content), and amino acid proline were also studied. Salinity treatments directly decreased growth parameters, nutritional status and root system growth,  while it increased toxic ions and proline amino acid content. Florda Prince peach budded on ‘Nemaguard’ peach rootstock was markedly more salt tolerant              than ‘Canino’ apricot budded on Balady apricot rootstock. Moreover, humic acid application especially as soil treatment with 20 ml Actosol (2.9 % humic acid) in l L of water every other week from late June till Oct.15th minimized the harmful effect of salinity and enhanced salt tolerance.
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