Effects of salinity on physiological parameters of grafted and ungrafted citrus trees

Catherine Simpson, S.D. Nelson, J.C. Melgar, J. Jifon, G. Schuster, A. Volder

Research output: Contribution to journalArticlepeer-review


\textcopyright 2015 Elsevier B.V. Subtropical and tropical climates are becoming more vulnerable to drought and salinity problems. Of the crops produced in these climates, citrus is especially sensitive to increasing salinity. In times of water scarcity and periodic drought alternative water sources that may be lower in quality may be required for irrigation, leading to reduced yield unless a mechanism of increasing salinity tolerance is found. The salinity tolerance of citrus rootstocks differs depending on species and cultivar in their ability to exclude or sequester toxic ions. Identifying rootstocks that are more salt tolerant is important to citrus production in susceptible areas. 'Olinda' Valencia trees budded to three rootstocks (sour orange [SO], C22, and C146) and the ungrafted rootstocks were subjected to 6 months of saline irrigation. Simulated brackish water at 1, 3, 5, and 10dSm-1 along with a 0dSm-1 control were used to irrigate trees over the course of the study. Throug
Original languageEnglish
Pages (from-to)483-489
JournalScientia Horticulturae
StatePublished - 2015


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