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Abo- El–Ez, A., Shaheen, S., Abo-Eloun, H. (2018). Effect of Foliar Application some Plant Growth Regulators on Growth and Productivity of Olive Trees under South Egypt Conditions. Journal of Plant Production, 9(10), 775-783. doi: 10.21608/jpp.2018.36433
A. E. T. Abo- El–Ez; Shereen A. Shaheen; Hadeer M. Abo-Eloun. "Effect of Foliar Application some Plant Growth Regulators on Growth and Productivity of Olive Trees under South Egypt Conditions". Journal of Plant Production, 9, 10, 2018, 775-783. doi: 10.21608/jpp.2018.36433
Abo- El–Ez, A., Shaheen, S., Abo-Eloun, H. (2018). 'Effect of Foliar Application some Plant Growth Regulators on Growth and Productivity of Olive Trees under South Egypt Conditions', Journal of Plant Production, 9(10), pp. 775-783. doi: 10.21608/jpp.2018.36433
Abo- El–Ez, A., Shaheen, S., Abo-Eloun, H. Effect of Foliar Application some Plant Growth Regulators on Growth and Productivity of Olive Trees under South Egypt Conditions. Journal of Plant Production, 2018; 9(10): 775-783. doi: 10.21608/jpp.2018.36433

Effect of Foliar Application some Plant Growth Regulators on Growth and Productivity of Olive Trees under South Egypt Conditions

Article 1, Volume 9, Issue 10, October 2018, Page 775-783  XML PDF (349.88 K)
Document Type: Original Article
DOI: 10.21608/jpp.2018.36433
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Authors
A. E. T. Abo- El–Ez1; Shereen A. Shaheen2; Hadeer M. Abo-Eloun2
1Faculty of agriculture, Sohag University.
2Horticulture Research Institute, Giza, Egypt.
Abstract
This study was carried out through  three successive seasons 2014 , 2015 and 2016  to study the effect of Salicylic acid at (200 &400 ppm) and Naphthalene acetic acid at (50& 100 ppm) as a foliar application on flowering, fruiting, yield and fruit quality of Picual and Manzanillo cvs olive trees (9 years old). Planted 6x6 apart at Horticultural Station Orchard at Shandaweel region, Sohag Governorate. The results indicated that foliar spray of salicylic acid at 200 ppm is recommended for improving productivity attributed to increase flowering percentage and density, as well as percentage of sex expression. Moreover, treatments reduced the alternative bearing and enhanced the fruit physical properties. Furthermore, each of two Salicylic acid concentration (200 & 400 ppm) improved fruit oil content.  
Keywords
Salicylic acid; Naphthalene acetic acid; foliar application; Olive cultivars "Picual"; "Manzanillo"
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