UAV-based Remote Sensing Can Help Avocado Growers by Detecting Asymptomatic Pathogen

Alison DeLoach Avocado, Industry News Release, Research, Top Posts

GAINESVILLE, Fla. — Remote imaging can effectively detect a pathogen that endangers the $100 million-a-year Florida avocado industry – even before the trees show symptoms — University of Florida scientists say. Yiannis Ampatzidis, an assistant professor of agricultural and biological engineering at the UF Institute of Food and Agricultural Sciences, led recently published research that shows that multispectral cameras can …

An Avocado Tree’s Worst Nightmare

Abbey Taylor Avocado, Research, Top Posts

Laurel wilt could be considered an avocado tree’s worst enemy. According to Jonathan Crane, professor of horticulture and tropical fruit specialist with the University of Florida, laurel wilt was introduced in the United States in 2002 and made its way to Homestead, Florida, in 2012. Since then, over 100,000 avocado trees have been lost, equaling roughly 1,000 acres of production. …

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New, Yet Old, Competition for Florida Avocados?

Abbey Taylor Avocado, Top Posts

By Taylor Hillman There may soon be some new, yet old, competition — with tropical flair — for Florida avocados. After 25 years, Hawaii has again begun shipping Sharwil avocados to the mainland. Three thousand pounds of the avocado variety are being sent to Seattle, and the industry hopes to continue shipping through March. Hawaii has shipped avocados to the …

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Storm Preparation and Recovery for Avocado Trees

Breanna Kendrick Avocado, Top Posts, Weather

By Breanna Kendrick Prior to a storm, it is recommended that avocado growers have a tree-size management program in place. The purpose is to ensure trees are not getting too tall or too wide. Trees that have been maintained at the proper size are easier to pick, easier to spray and are much more efficient economically and physically to harvest. …

Navigating Weather Conditions with Avocados

Abbey Taylor Avocado, Top Posts, Weather

Jonathan Crane, professor of horticulture and tropical fruit crop specialist, spoke at the Fruit Crop Management Short Course in November about weather conditions that play a factor in growing avocados. Surprisingly, the biggest weather challenge for Florida avocados is freezing temperatures. However, Crane says that there is a wide range of cold-tolerant avocado varieties. He says that, potentially, there are …

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Laurel Wilt: Quick-Moving Disease with Invasive Vectors

Abbey Taylor Avocado, Research, Top Posts, Tropical Fruit

Jonathan Crane, a tropical fruit crop specialist with the University of Florida, recently traveled to California to warn growers about laurel wilt. Laurel wilt is a devastating disease for avocados in Florida and now California. This fungal disease spreads from tree to tree quickly. If it is not caught early, it can destroy multiple trees in a matter of days. …

Dangerous Avocado Pathogen Grows Faster in Cooler Temperatures

Abbey Taylor Avocado, Industry News Release, Top Posts

By: Brad Buck, 352-294-3303, bradbuck@ufl.edu GAINESVILLE, Fla. — A University of Florida scientist has some new data that avocado growers might consider: The disease grows faster in the fall or winter than in the summer, so growers may want to look for laurel wilt more closely during the winter. Laurel wilt has been ravaging Florida’s avocadoes, which have a University …

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Laurel Wilt Scouting Recommendations

Abbey Taylor Avocado, Pests, Top Posts

Laurel wilt has proven to be deadly to avocado trees. This fungus is spread by a nonnative insect, the redbay ambrosia beetle. Once infected, the fungus can spread to other trees through roots and improper sanitation. Jonathan Crane, a tropical fruit crop specialist with the University of Florida, says because the disease moves quickly, identifying its symptoms in the grove …