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Category: Agriculture

An ambrosia beetle Xyleborus affinis Eichhoff, 1868 (Insecta: Coleoptera: Curculionidae: Scolytinae)

Figure 1. Adult female Xyleborus affinis. Credit: Jiri Hulcr, UF/IFAS

Xyleborus affinis is one of the most widespread and common ambrosia beetles in the world. It is also very common in Florida. Like other ambrosia beetles, it bores tunnels into the xylem of weakened, cut… Read More

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… Read More

Doveweed (Murdannia nudiflora) Control in Warm-Season Turfgrass Species

Doveweed is an aggressive, naturalized summer annual weed that rapidly invades warm-season turfgrass species, especially in residential lawns, and few herbicides can effectively control it. Because of these challenges, a well-designed management strategy is necessary… Read More

Can Calcium Propionate Help Maintain Calcium Concentrations and Prevent Metritis in Dairy Cows with Dystocia?

04390S cows at sunrise - agriculture

Studies have suggested that giving dairy cows supplemental calcium may reduce the incidence of metritis. This study tested this hypothesis with cows at the UF Dairy Unit and found that calcium supplements actually did not… Read More

Commercial Production of Ornamental Tropical Foliage Plants: Micropropagation

Picture Name: 06122S Chestnut Hill Nursery, near Gainesville, FL. UF/IFAS Photo: Thomas Wright

Florida nursery operators need to understand plant propagation principles and techniques so they can grow enough plants for sale. Micropropagation is a way to culture plant tissue to rapidly propagate a large number of plants…. Read More

Biology and Management of Long-Stalked Phyllanthus in Ornamental Crop Production

Picture Name: 06122S Chestnut Hill Nursery, near Gainesville, FL. UF/IFAS Photo: Thomas Wright

This 5-page fact sheet discusses the characteristics of long-stalked phyllanthus and explains how to control its growth in a nursery environment. Written by Theresa Chormanski, Chris Marble, and Lyn Gettys, and published by the UF… Read More

Florida Citrus Rootstock Selection Guide, 3rd Edition

citrus groves, florida, oranges, leaves, trees. UF/IFAS Photo: Thomas Wright.

Information about citrus rootstocks has become an important part of understanding and managing citrus greening (Huanglongbing or HLB). This selection guide covers 20 characteristics of 45 citrus rootstocks and explains its methodology in detail. This… Read More

African Honey Bee: What You Need to Know

Figure 1. Exposed African bee nest on a tree limb.

African honey bees entered the United States in the early 1990s and have since spread throughout the Southwest and Southeast, including parts of Florida. Compared to European bees, African bees are highly aggressive when disturbed… Read More

How to Dissect Honey Bees (Apis mellifera L.) to Detect Tracheal Mites (Acarapis woodi Rennie)

Figure 10. Five tracheal mites visible in a dissected honey bee trachea (140× magnification).

Tracheal mites are parasites of the western honey bee and negatively impact the health and productivity of an infested colony. This 6-page fact sheet details the method of dissecting honey bees in order to diagnose… Read More

Biology and Management of Mulberry Weed (Fatoua villosa) in Ornamental Crop Production

Figure 4. Mulberry weed flowers. Note purplish hue of flowers and location in leaf axils. Credit: Annette Chandler, Mid-Florida Research and Education Center

This 4-page fact sheet discusses the characteristics of mulberry weed (Fatoua villosa) and explains how to control its growth in a nursery environment. Written by Chris Marble and Shawn Steed, and published by the UF… Read More