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Photo: P. Landschoot, Penn State
SDHI Fungicides for Turfgrass Diseases - Articles Articles

SDHI Fungicides for Turfgrass Diseases

Peter Landschoot, Ph.D.

As summer approaches, plans are being finalized for disease prevention and control programs. More
Tobacco Mosaic Virus on petunia. Photo: T. Ford, Penn State
Tobacco Mosaic Virus Prevention Starts with Worker Training - Articles Articles
The most important way that Tobacco Mosaic Virus (TMV) can be spread from plant to plant is on workers' hands, clothing or on tools. More
University of Georgia Plant Pathology, University of Georgia,
Grape Disease - Black Rot Photo Gallery - Articles Articles
Slideshow depicting various stages of black rot on grapes. More
White grub damage in a residential lawn. Photo: N. Bosold, Penn State (retired)
White Grubs—Underground Marauders in Turf - Articles Articles
White grubs are probably one of the most common turfgrass insect pests encountered in Pennsylvania lawns. More
Mosquito Biology and Control
Mosquito Biology and Control - Articles Articles
Read about the biology and habitat of mosquitoes, strategies for eliminating breeding sites and reducing mosquito bites, and the safe use of insect repellents. More
Salticus scenicus female
Zebra Jumper - Articles Articles
This spider, originally from Europe and Asia, is found sporadically from Nova Scotia to British Columbia, south to Georgia, and westward to Colorado. More
Gerald J. Lenhard, Louisiana State University,
Tree Fruit Insect Pest - Yellownecked Caterpillar - Articles Articles
The yellownecked caterpillar is a key pest of shade trees. This insect is also destructive on the foliage of blueberry, apple, and other fruit trees. More
Herbert A. 'Joe' Pase III, Texas A&M Forest Service,
Yellow Garden Spider - Articles Articles
Yellow garden spiders are seen in gardens, tall weeds, and sunny areas with bushes and other supporting structures on which they build their large orb webs. More
Joseph Berger,
Woodlouse Hunter Spider - Articles Articles
The woodlouse hunter spider preys on pill bugs or sow bugs (order Isopoda) and derives its common name from the British common name for these crustaceans. More
Kansas Department of Agriculture,
Wireworms as Pests of Field Crops - Articles Articles
Wheat wireworms and the eastern field wireworm are the predominant species that attack corn and other field crops in Pennsylvania. More
James B. Hanson, USDA Forest Service,
White Pine Weevil - Articles Articles
The white pine weevil is considered the most destructive insect pest of eastern white pine in North America. More
Gyorgy Csoka, Hungary Forest Research Institute,
Western Conifer Seed Bug - Articles Articles
The western conifer seed bug feeds on Douglas-fir seeds and other species of pine. This bug can also become a nuisance to homeowners in the fall. More
USDA ARS Photo Unit, USDA Agricultural Research Service,
Western and Northern Corn Rootworm Management in Pennsylvania - Articles Articles
Corn rootworms have long been major economic pests in the United States. In Pennsylvania, corn rootworm damage has been sporadic, but increasing in recent years. More
Jim Baker, North Carolina State University,
White Grubs in Home Lawns - Articles Articles
Home lawns in Pennsylvania can be damaged by the larval stages of various species of scarab beetles, including Japanese beetles and northern masked chafer grubs. More
Edward L. Manigault, Clemson University Donated Collection,
Wolf Spiders - Articles Articles
Wolf spiders are large hunting spiders. Two notable species, Hogna carolinensis and H. aspersa, are occasionally encountered in Pennsylvania homes. More