An assessment of the effects of ENSO events on fresh vegetable and melon supplies

Jaehong Park, James W. Mjelde, Stephen W. Fuller, Jaime E. Malaga, C. Parr Rosson, Frank J. Dainello

Research output: Contribution to journalArticlepeer-review

3 Scopus citations


The historical effects of El Niño/La Niña events on supplies of selected fresh vegetables and melons (Cucumis melo L.) were evaluated by estimating single-equation supply relationships. Economic variables in the estimated equations were, generally, of the correct sign and significant at usual levels. El Niño events had a negative and statistically significant effect on the Texas muskmelon, Florida fall squash [Praecitrullus fistulosus Stocks) Pang.] and the California fall lettuce (Lactuca sativa L.) supply with expected production declines of 15%, 21%, and 5% relative to historical mean production. In contrast, the expected supplies of United States summer onions (Allium cepa L.) and Florida fall and winter tomatoes (Lycopersicon esculentum Mill.) increased about 7%, 10%, and 25% during El Niño events. La Niña events had a negative and significant effect on Texas muskmelon, honeydew, and watermelon, with supplies expected to decline 20%, 29%, and 13% with the occurrence of this event.

Original languageEnglish
Pages (from-to)287-291
Number of pages5
Issue number2
StatePublished - 2002


  • ENSO
  • El Niño
  • La Niña
  • Melons
  • Vegetables


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