By Nicholas S. Dufault Gummy stem blight (GSB) and fusarium wilt (FW) can be common problems for watermelon producers in the Southeast. These two diseases are caused by fungal pathogens from the same taxonomic subphylum, but that is where the similarities end. GSB tends to be more of a foliar pathogen that can move to the petioles and vines, and …
Managing Nematodes Without Methyl Bromide
By Johan Desaeger Plant-parasitic nematodes are some of the most difficult pests or diseases that growers in Florida are facing. They are difficult to recognize, are often confused with other biotic or abiotic problems, and can cause total crop loss in many fruits and vegetables. This is especially true in Florida’s warm and sandy soils, where nematodes, such as root-knot …
Growing Multiple Crops on the Same Plastic Mulch
By Nathan Boyd Vegetable growers throughout the Southeast face intensive economic pressure from foreign competition, volatile markets and increased production costs. Alternative production systems are needed that reduce input costs and increase economic return. One potential approach is to grow more than one crop on the same plastic mulch. The vast majority of horticultural crops in the Southeast are grown …
Labor Issues in the Specialty Crop Industry
By Zhengfei Guan Florida is a large supplier of fruits and vegetables in the United States. Major fruits and vegetables produced in Florida include citrus, strawberries, tomatoes, bell peppers, cantaloupes, watermelons, etc. The production and harvest of these crops are labor intensive. For example, University of Florida researchers estimate that harvesting 1 acre of oranges requires 50 hours. More than …
UF/IFAS Researchers May Use Fungi to Control Deadly Crop Disease
A group of fungi might fight a disease that’s dangerous to tomatoes and specialty crops. University of Florida scientists hope to develop this biological strategy as they add to growers’ tools to help control Fusarium wilt. Tomatoes are the number one vegetable crop in Florida. In 2017, approximately 28,000 acres of tomatoes were commercially harvested, with a production value of …
Keeping Fields Clean Year-Round
To protect against pests and diseases, keeping fields clean is a year-round job for growers. Scott Adkins, a research plant pathologist for the U.S. Department of Agriculture’s Agriculture Research Service, has some advice for growers on this subject. He spoke with AgNet Media at the Southeast Regional Fruit and Vegetable Conference in Savannah, Georgia, in January, following his presentation at …