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thumbnail for publication: Nutrition of Florida Citrus Trees, 3 Edition: Chapter 11. Special Situations

Nutrition of Florida Citrus Trees, 3 Edition: Chapter 11. Special Situations

Thomas A. Obreza, Brian J. Boman, Mongi Zekri, Stephen H. Futch, Lawrence R. Parsons, James J. Ferguson, Rhuanito Ferrarezi, and Arnold Schumann

This publication is part of SL253, Nutrition of Florida Citrus Trees, 3rd Edition. For references, a glossary, and appendices, please refer to the full document at https://edis.ifas.ufl.edu/ss478.

thumbnail for publication: 2025–2026 Florida Citrus Production Guide: Citrus under Protective Screen (CUPS) Production Systems

2025–2026 Florida Citrus Production Guide: Citrus under Protective Screen (CUPS) Production Systems

Arnold W. Schumann, Ariel Singerman, Mark A. Ritenour, Jawwad Qureshi, and Fernando Alferez

2025–2026 Florida Citrus Production Guide

thumbnail for publication: CUPSchat: A Specialized Chatbot for Citrus under Protective Screen (CUPS) Information

CUPSchat: A Specialized Chatbot for Citrus under Protective Screen (CUPS) Information

Arnold Schumann, Laura Waldo, and Chris Oswalt

The Citrus under Protective Screen (CUPS) project is a novel approach to citrus production in protected agriculture environments. To support the CUPS community, including growers, researchers, and Extension agents, a specialized chatbot named CUPSchat has been developed. This article provides an overview of CUPSchat, its features, and ways it differs from mainstream chatbots. Written by Arnold Schumann, Laura Waldo, and Chris Oswalt, and published by the UF/IFAS Department of Soil, Water, and Ecosystem Sciences, January 2026.

thumbnail for publication: A Close-up Look at Screens for Excluding Asian Citrus Psyllids

A Close-up Look at Screens for Excluding Asian Citrus Psyllids

Timothy A. Ebert, Arnold W. Schumann, Laura Waldo, Daniel Stanton, and Philippe Rolshausen

Building a physical barrier around citrus trees or groves can prevent contact between trees and Asian citrus psyllids, the carrier of the pathogen that causes huanglongbing. This new 4-page article is for growers, scientists, and industries that are interested in this approach to protect citrus from huanglongbing. Written by Timothy A. Ebert, Arnold W. Schumann, Laura Waldo, Daniel Stanton, and Philippe Rolshausen, and published by the UF/IFAS Department of Soil and Water Sciences.