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Systems-based Pest Management: Propagation Practices

August 29th, 2014 by

This video demonstrates how nursery crop producers can apply a systems-based pest management approach to propagation, eliminating or minimizing the spread of pathogens from propagation houses and beds into the main production areas. Five practical tactics are featured, providing an overview of ways producers can stop or minimize the spread and, consequently, reduce costs associated with damage and control measures. Funding for this video was provided by the Southern Risk Management Education Center, the University of Tennessee Institute of Agriculture, and the UT Department of Plant Sciences. Narrated by Ms. Haylee Jones, produced by Ms. Halee Jones and Dr. Diana Cochran with assistance from Dr. Amy Fulcher.

To access Alan Windham’s carrot assay described in this video, use this link  and select Systems-based Pest Management.

Link to video here.

Red and yellow stripped azalea caterpillars hatching

August 27th, 2014 by

Yesterday I found the first azalea caterpillars of the year. These tiny caterpillars had just hatched from the white eggs you see

Newly hatched azalea caterpillars. Notice white eggs on the leaves in the background. Photo: SD Frank

in the background. You can scout for these bright eggs in August before the caterpillars hatch and remove them. I think these caterpillars are worth having though since they are very beautiful. Actually the caterpillars are prettier than azaleas tend to be this time of year and they will eat all the leaves stippled by lace bugs! You can read more about these caterpillars that feed on azaleas and blueberries in a post from last August.

Orange-stripped oakworm feeding

August 26th, 2014 by

For the last few weeks, orange striped oakworms have been raining on my head as I work in the trees. They also drop a lot of

Large oakworms eat entire leaves except for the mid vein. Photo: EK Meineke

poop (entomologists call it frass) which is one of the major complaints by homeowners. Orange-striped oakworms congregate on branches to feed every year in late summer but usually do not cause enough damage to warrant treatment.

Young oak worms cause damage called 'window panning' in which they eat the surface of leaves and feed between tiny veins. Photo: EK Meineke.

Young orangestriped oakworms are often light in color and darken as they get older. I have found some parasitized individuals, which means natural enemies are doing their part to reduce oakworm outbreaks. Caterpillars also make great food for birds. We have posted previously about orange-striped oak worm biology and management if you want more information.

Large caterpillar poops around the base of a tree. Photo: SD Frank

 

New Video – Systems-based Pest Management: Irrigation Practices

August 25th, 2014 by

This video demonstrates how nursery crop producers can apply a systems-based pest management approach to irrigation, eliminating or minimizing the spread of pathogens from recycled irrigation water and standing water in main production areas. It also covers the importance of testing water quality and refining irrigation volume to optimize plant health. Funding for this video was provided by the Southern Risk Management Education Center, the University of Tennessee Institute of Agriculture, and the UT Department of Plant Sciences. Narrated by Ms. Haylee Jones, produced by Ms. Halee Jones and Dr. Diana Cochran with assistance from Dr. Amy Fulcher.

Link to video here.

New Video – Systems-based Pest Management: Shipping and Receiving

August 22nd, 2014 by

This video covers basic concepts in shipping and receiving from a systems-based pest management standpoint. The video focuses on diligent inspection of plant material, careful record keeping to facilitate tracing plants forward and backward, and frequent sanitation of carts, docks and semi trailers. UT undergraduate student, Halee Jones, and UT postdoctoral scientist, Dr. Diana Cochran, did an outstanding job on this and the other 4 videos in our series! This is the final video in this series.

Link to video here.

New Video – Systems-based Pest Management: Potting Practices

August 18th, 2014 by

This video demonstrates how nursery crop producers can apply a systems-based pest management approach to potting practices. The video provides an overview of practical ways producers can stop the spread of pathogens, pests, and weed seeds that can otherwise be transferred to healthy plants through potting substrate and containers, especially used containers. Funding for this video was provided by the Southern Risk Management Education Center, the University of Tennessee Institute of Agriculture, and the UT Department of Plant Sciences. Narrated by Ms. Haylee Jones, produced by Ms. Halee Jones and Dr. Diana Cochran with assistance from Dr. Amy Fulcher.

Link to video here.

New Video – Systems-based Pest Management: Pruning Practices

August 15th, 2014 by

This video demonstrates how nursery crop producers can apply a systems-based pest management approach to pruning practices. The video provides an overview of practical ways producers can stop the spread of pathogens that can otherwise be transferred to healthy plants during pruning. Funding for this video was provided by the Southern Risk Management Education Center, the University of Tennessee Institute of Agriculture, and the UT Department of Plant Sciences. Narrated by Ms. Haylee Jones, produced by Ms. Halee Jones and Dr. Diana Cochran with assistance from Dr. Amy Fulcher.

Link to video here.

New (GIANT) ambrosia beetle in nurseries

August 12th, 2014 by

Nursery growers have been struggling with ambrosia beetles for decades. In the southeast it is primarily the granulate

Camphor shot borer. Photo: Matt Bertone, NCSU

Camphor shot borer. Photo: Matt Bertone, NCSU

ambrosia beetle, Xylosandrus crassiusculus. In the Northeast and Midwest the predominate species is Xylosandrus germanus. These are tiny beetles that make tiny … Continue reading 

Potato leafhoppers crinkle maple leaves

July 23rd, 2014 by

This time of year the results of potato leafhopper feeding show up particularly in nurseries.Potato leafhoppers are a native insect but mimic retired folks because they spend winters in Florida and the Gulf coast. From there adult potato leafhoppers, Empoasca … Continue reading 

Urbanization is good for pests and bad for trees

July 23rd, 2014 by

My wife is from a neighborhood outside Baltimore called Lawyer’s Hill. This is where, in the 18th century, lawyers (and I assume doctors and other gentlemen) had country houses and could escape the summer heat. It is only 3 miles … Continue reading