Intercropping halophytes to mitigate salinity stress in watermelon

Catherine Simpson, J.G. Franco, S.R. King, A. Volder

Research output: Contribution to journalArticlepeer-review

Abstract

\textcopyright 2018 by the authors. Saline irrigation water can lead to salt buildup and reduced crop yields. Halophytic plants are known to accumulate excess salts in tissues, removing them from the immediate environment. This two-phase experiment explored the feasibility of intercropping watermelon (Citrullus lanatus (Thunb.) Matsum. and Nakai var. lanatus) with halophytic species to mitigate the negative effects of saline irrigation water while providing a value-added crop. In the first experiment, six greenhouse-grown species were irrigated with water that was either deionized (0 dS m-1) or contained 3 or 6 dS m-1 of salts for 41 days and screened for growth and salt removal. Two halophytes were selected to be additively intercropped with watermelon under field conditions and irrigated with the same saline irrigation levels as the first experiment. Results indicated that garden orache (Atriplex hortensis L.) exhibited the highest growth rates and purslane (Portulaca oleracea L.) a
Original languageEnglish
Pages (from-to)1-17
JournalSustainability
StatePublished - 2018

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