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Dagger Nematode Xiphinema spp. (Cobb, 1913) Inglis, 1983 (Nematoda: Enoplea: Dorylaimia: Dorylaimina: Xiphinematinae)

Figure 9. Schematic diagram showing detailed morphological features of a dagger nematode, Xiphinema spp.

Dagger nematodes parasitize plants. They cause economic damage and death of host crops through feeding on the roots and by spreading viral mosaic and wilting diseases, but field studies have shown that some control measures targeting reduction in… Read More

Skyflower: Hydrolea corymbosa

Skyflower

Skyflower is a native wetland plant that produces brilliant blue flowers and can be found throughout Florida.  This 4-page facts sheet details skyflower biology, distribution and habitat, propagation, and uses. Written by Lyn A. Gettys and Carl J. Della… Read More

Positive Discipline: Behavioral Management Skills for Parents and Teachers, Part 3: Fostering the Parent–Child and Teacher–Student Relationship to Build Responsibility

Figure 1. Parents and teachers need to be clear about their expectations for children and students. Credit: Thinkstock.com/iStock/natasaadzic

Tell me and I forget, Teach me and I may remember, Involve me and I learn. The general goal of healthy parenting and teaching is to produce children and students who can think critically, make good decisions, and… Read More

Positive Discipline: Behavioral Management Skills for Parents and Teachers, Part 2: General Approaches to Managing Behavior

Figure 3. If a behavior is consequential, the parent or teacher will need to intervene.

When a child is locked in the bathroom With water running And he says he is doing nothing But the dog is barking, Call 911. –Erma Bombeck Research indicates that there must be at least an 8-to-1 positive-to-negative… Read More

Positive Discipline: Behavioral Management Skills for Parents and Teachers, Part 1: Types of Misbehaviors and Keys to Success

Figure 3. Successful parents and teachers are encouraging and engaged in children’s educational and extracurricular activities

Before I got married I had six theories about bringing up children; now I have six children, and no theories. (John Wilmot) Parents and teachers often experience a lot of insecurities, especially with regard to helping children manage… Read More

Lionfish: Is It Safe to Eat?

Figure 1. Eating large, predatory fish harvested from warmer, tropical waters puts consumers at risk for ciguatoxic fish poisoning, and food safety officials in the United States and Caribbean caution against it. The voracious appetite and diverse eating habits of the lionfish suggest it is also a top-order predator species prone to accumulation of ciguatoxins. Credit: Florida Fish and Wildlife Conservation Commission

Lionfish is not a traditional or likely seafood selection, but growing interest in response to the invasive and increasing abundance has stirred recreational and commercial interest. This prolific, invasive fish is threatening reefs and coastal fisheries in ocean… Read More

Volunteer Training Series: 4-H Cloverbuds Program: 4-H for Younger Members

Figure 2. Hands-on activities are important to engage Cloverbuds in learning. Credit: Lisa Henson

Florida 4-H programs offered to children ages 5 to 7 are called 4-H Cloverbud programs and are a component of the Florida 4-H Youth Development Program. The goal of the Florida 4-H Cloverbud program is to offer age-appropriate,… Read More

Contaminants in the Urban Environment: Dioxins

Figure 1. General structure of dioxins and the most toxic dioxin (TCDD) Credit: Yun-Ya Yang, UF/IFAS

Dioxins are among the most toxic chemicals on the earth. They are by-products of a number of human activities such as combustion of fuels and wastes containing polyvinyl chloride (PVC), chlorine bleaching of paper products, and selected industrial… Read More

Facts about Wildlife Diseases: Rabies

Figure 1. According to Florida law, all dogs, cats, and ferrets greater than 4 months of age must be vaccinated against rabies by a licensed veterinarian.

Rabies is a virus carried by mammals. It kills infected humans and animals if they are not treated shortly after exposure. Rabies can be prevented, but it cannot be cured once symptoms become evident. This 6-page fact sheet… Read More