Tag: symptoms

A protein can help make some citrus more tolerant to the deadly citrus greening disease – and it’s safe

by Brad Buck
October 29, 2025

Greening disease has devastated the citrus crop in Florida, but University of Florida scientists are using genes from another plant and putting them into Hamlin oranges to develop citrus plants that fight the disease. Scientists have developed ... READ MORE

Category: Agriculture, Pests & Disease
Tags: AtNPR1, Citrus, Citrus Greening Disease, Citrus Growers, Crop Transformation Center, Eric Triplett, Greening Resistant, Greening Tolerant, Hamlin Oranges, Microbiology And Cell Science, NuCitrus, Pathogen, Symptoms, Toxic, Transgenic, U.S. Environmental Protection Agency, U.S. Food And Drug Administration, USDA Research Farm, Zhonglin Mou
Avocado fruit showing characteristic avocado sunblotch viroid (ASBVd) symptoms. The fruit displays a distinct longitudinal yellow streak with sharply demarcated margins, typical of sunblotch infection. Symptoms can vary but often include irregular yellow or whitish streaks, discoloration, and deformed fruit.

Florida avocados face threat from Sunblotch Viroid

by Lourdes Mederos
October 2, 2025

Florida avocados, a signature staple in kitchens, a favored fruit tree in landscapes and a source of pride for the state’s growers, are facing a renewed threat from avocado sunblotch viroid (ASBVd). The disease can severely stunt avocado ... READ MORE

Category: UF/IFAS
Tags: Agriculture, ASBVd, Avocado, Avocado Germplasm, Avocado Growers, Avocado Industry, Avocado Sunblotch Viroid, Avocado Sunblotch Viroid Guide, Avocado Sunblotch Viroid Resource Website, Budwood, Deformed Fruit., Disease, Florida Avocado, Florida’s Avocado Growers, Fruit, Grafted Avocado Tree, Groves, Institute Of Food And Agricultural Sciences, News, Nurseries, Packinghouses, Romina Gazis, Sanitation Practices, Sunblotch Infection, Symptoms, Tropical Fruit, Tropical Research And Education Center, UF-IFAS, UF/IFAS Extension, UF/IFAS TREC Plant Diagnostic Clinic, University Of Florida

Pesticide Exposure: Types and Symptoms

by Dr. Brett Bultemeier
September 23, 2021

Pesticides are hazardous, they are designed to repel, kill, or otherwise disrupt the lifecycle of living organisms. Pesticides can be toxic and even poisonous. These are all true statements, but a hazard, by itself, is not necessarily a problem. ... READ MORE

Category: Agribusiness, Agriculture, Farm Management, Home Landscapes, Horticulture, Lawn, Pests & Disease, Pests & Disease, Turf
Tags: Brett Bultemeier, Pesticide Exposure, Pesticide Exposure Series, Pesticide Information Office, Risk, Symptoms

Citrus Freeze Damage: Symptoms and Recovery

by Ken Gioeli
January 26, 2018

Citrus trees are evergreen, never become fully dormant and cannot withstand temperatures as low as those tolerated by deciduous trees. However, citrus trees can become preconditioned or acclimated to cool air temperatures that occur in late ... READ MORE

Category: Agribusiness, Agriculture, Crops, Fruits & Vegetables, Home Landscapes, Money Matters, Work & Life
Tags: Citrus, Cold, Cold Protection, Freeze, Freeze Damge, Recovery, Symptoms

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