African Journal of
Agricultural Research

  • Abbreviation: Afr. J. Agric. Res.
  • Language: English
  • ISSN: 1991-637X
  • DOI: 10.5897/AJAR
  • Start Year: 2006
  • Published Articles: 6731

Full Length Research Paper

Effect of foliar application with salicylic acid on two Iranian melons (Cucumis melo L.) under water deficit

Hossein Nastari Nasrabadi
  • Hossein Nastari Nasrabadi
  • Department of Horticultural Science, Faculty of Agriculture, Ferdowsi University of Mashhad, Mashhad, Iran.
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Hossein Nemati
  • Hossein Nemati
  • Department of Horticultural Science, Faculty of Agriculture, Ferdowsi University of Mashhad, Mashhad, Iran.
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Mohammad Kafi
  • Mohammad Kafi
  • Department of Agronomy, Faculty of Agriculture, Ferdowsi University of Mashhad, Mashhad, Iran.
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Hossein Arouei
  • Hossein Arouei
  • Department of Horticultural Science, Faculty of Agriculture, Ferdowsi University of Mashhad, Mashhad, Iran.
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  •  Received: 23 June 2015
  •  Accepted: 04 August 2015
  •  Published: 13 August 2015

Abstract

Scarcity of water is a severe environmental constraint to crop production in arid and semi arid region. Salicylic acid (SA) plays an important role in the regulation of plant growth in response to environmental stresses. In this study, the effect of SA (0, 70 and 100 ppm) was investigated on growth and yield of two Iranian melons (Khatooni and Ghasri cultivars) under drought stress (W100%, W80% and W60%). Experimental design was a split factorial based on complete block design with four replications. Results showed average fruit weight, yield and fruit ripening duration were decreased by increasing water restriction but total soluble solid (TSS) and proline content increased. Salicylic acid increased chlorophyll content (SPAD), fruit ripening duration and TSS than control. Different water treatments and salicylic acid levels had no significant effects on number of fruit per plant.

 

Key words: Drought stress, melon, salicylic acid, total soluble solid (TSS), yield.

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This article is published under the terms of the Creative Commons Attribution License 4.0

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