Salinity Evaluation for Watermelon (Citrullus lanatus) Grafted with Different Rootstocks

Catherine Simpson, Stephen King, Shad D Nelson, John Jifon, Greta Schuster, Astrid Volder

Research output: Contribution to journalArticlepeer-review

Abstract

Salinity is a common stress in arid and semi-arid environments and can affect quality and production of sensitive crops such as watermelon (Citrullus lanatus). Grafting vegetable crops has been shown to improve fruit quality as well as impart tolerance to abiotic and biotic stresses. To evaluate potential rootstocks that will minimize the im-pact of salinity on watermelons, a preliminary study was conducted to study the performance of watermelons graft-ed to experimental and commercial rootstocks. Mini watermelons (Citrullus lanatus 'TAMU mini') were grafted on four rootstocks: Strong Tosa, CTPI RS, NIZ 54-07, and smell melon. These grafted plants and ungrafted 'TAMU mini' controls were subjected to three levels of salinity (0, 1.5, and 3 dS\textperiodcenteredm -1 irrigation water). Grafted watermelons exposed to 1.5 dS\textperiodcenteredm -1 had increased dry vine biomass, flesh firmness, and soluble solids compared to plants irrigated with 0 and 3 dS\textperiodcenteredm -1
Original languageEnglish
Pages (from-to)1--6
JournalSubtropical Agriculture and Environments
StatePublished - 2015

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