University of Khartoum

In Vitro Screening of Some Tomato Commercial Cultivars for Salinity Tolerant

In Vitro Screening of Some Tomato Commercial Cultivars for Salinity Tolerant

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Title: In Vitro Screening of Some Tomato Commercial Cultivars for Salinity Tolerant
Author: Osman, Magdoleen G.; Elhadi, Elsadig A.; Khalafalla, Mutasim M.
Abstract: In vitro screening of 12 tomato cultivars (Omdurman, Allakarim, Strain B., Jazera, Majd, Supermajd, Madona, Amani, Castel Rock, Rio grand, Sudan special and Peto-86) for salt tolerance at different concentrations of NaCl (0, 50, 75 and 100 mM) was investigated. To select the salt tolerant and salt sensitive cultivars, vegetative growth parameters were measured. Shoot and root growth in these tomato cultivars were decreased with increasing of NaCl concentration in the growth media. Cultivar Amani gave the longest root (6.7 cm) and heavier root fresh weight (0.28 g) at the highest level of NaCl tested while Castel Rock gave the longest shoot (8.0 cm), and heavier shoot fresh weight (1.09 g). In vitro screening of tomato through shoot tip culture is an easy and efficient method to identify salt-adapted genotypes within a limited space and time period.
URI: http://khartoumspace.uofk.edu/123456789/25153
Date: 2011


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