Grafting improves cucumber water stress tolerance in Saudi Arabia

Saudi Journal of Biological Sciences
Abdulaziz R Al-HarbiKhadiga Alharbi

Abstract

Water scarcity is a major limiting factor for crop productivity in arid and semi-arid areas. Grafting elite commercial cultivars onto selected vigorous rootstocks is considered as a useful strategy to alleviate the impact of environmental stresses. This study aims to investigate the feasibility of using grafting to improve fruit yield and quality of cucumber under water stress conditions. Alosama F1cucumber cultivar (Cucumis sativusL.) was grafted onto Affyne (Cucumis sativusL.) and Shintoza A90 (Cucurbitamaxima×C. moschata) rootstocks. Non-grafted plants were used as control. All genotypes were grown under three surface drip irrigation regimes: 50%, 75% and 100% of the crop evapotranspiration (ETc), which represent high-water stress, moderate-water stress and non-water stress conditions, respectively. Yield and fruit quality traits were analyzed and assessed. In comparison to the non-grafted plants, the best grafting treatment under water stress was Alosama F1grafted onto Shintoza A90 rootstock. It had an overall improved yield and fruit quality under water stress owing to an increase in the total fruit yield by 27%, from 4.815 kg plant-1in non-grafted treatment to 6.149 kg plant-1in grafted treatment under moderate -water str...Continue Reading

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