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Asian Journal of Crop Science
  Year: 2014 | Volume: 6 | Issue: 2 | Page No.: 112-122
DOI: 10.3923/ajcs.2014.112.122
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Effectiveness of Grafting for the Improvement of Salinity and Drought Tolerance in Tomato (Solanum lycopersicon L.)

Mahmoud A. Wahb-Allah

Grafting is considered to be an environmentally friendly technique for reducing the yield losses caused by salinity and/or drought. Therefore, the present study aims to employ grafting for improvement the tolerance of tomato (Solanum lycopersicon L.) to salt and drought stresses. Two greenhouse experiments were conducted during the 2011/2012 and 2012/2013 seasons. Each experiment included 12 treatments, representing all combinations of 2 grafting treatments (Farida cv grafted onto Unifort rootstock and ungrafted Farida cv) and 6 abiotic stress treatments (salt stress and/or water stress). The stress treatments consisted of two levels of salinity (non-saline water with an average Electrical Conductivity (EC) of 1.2 dS m-1 and saline water with an EC of 4.5 dS m-1) applied at three irrigation rates (100, 75 and 50% of crop Evapotranspiration (ETc)). The results demonstrated that the grafted plants had significantly higher values for vegetative growth, yield and Water Use Efficiency (WUE) in comparison with the un-grafted plants. Conversely, grafted plants had significantly lower values for fruit quality traits vitamin C and Total Soluble Solid (TSS) and leaf concentrations of Na+, Cl¯ and proline. The interaction effects indicated that under the water stress and the salt stress treatments, grafting alleviated the negative effects of these stresses on most of the studied traits. The positive effects of grafting on plant growth and productivity support the feasibility of the technique as a method for improving salt and drought tolerance in tomato grown under greenhouse conditions.
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How to cite this article:

Mahmoud A. Wahb-Allah , 2014. Effectiveness of Grafting for the Improvement of Salinity and Drought Tolerance in Tomato (Solanum lycopersicon L.). Asian Journal of Crop Science, 6: 112-122.

DOI: 10.3923/ajcs.2014.112.122






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