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Characterization of Water Melon (Citrullus lanatus) Genotypes under High Salinity Regime

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DOI: 10.4236/ajps.2015.619317    2,837 Downloads   3,239 Views   Citations


For horticultural crops and especially for vegetables, salinity is dilemma. It is the most limiting factor for plant growth and development by producing reactive oxygen species and ultimately oxidative stress. In the present study, the screening of watermelon (Citrullus lanatus Thanb. Mavs.) Cultivars was observed for salt tolerance. Four salinity levels (1.5, 3, 4.5, and 6 dS·m-1 NaCl) and six cultivars (Crimson, Charleston Gray, Anarkali, Chairman, Sugar Baby and Champion) tested for screening. It was observed that all morphological attributes and ionic contents were severely affected. But it was revealed by statistical analysis that Charleston Gray was affected least while Champion was most salt sensitive cultivar due to oxidative stress and ionic toxicity. It is concluded that different genotypes under consideration vary in their ability to tolerate salt stress.

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The authors declare no conflicts of interest.

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Ali, M. , Ayyub, C. , Shaheen, M. , Qadri, R. , Khan, I. , Azam, M. and Akhtar, N. (2015) Characterization of Water Melon (Citrullus lanatus) Genotypes under High Salinity Regime. American Journal of Plant Sciences, 6, 3260-3266. doi: 10.4236/ajps.2015.619317.


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