By Tim Abbey, Peter Landschoot, Ph.D., Tanner Delvalle
Corn speedwell, also called rock speedwell or wall speedwell, is a common weed of home lawns, parks, institutional grounds, and other turf areas in Pennsylvania.
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In Pennsylvania, anyone making pesticide applications to land that they do not own or lease is required to have at least one Certified Pesticide Applicator.
The turfgrass industry offers high-paying, STEM-driven, hands-on careers with growing job demand, tech innovation, and degree options—perfect for students passionate about sports and science.
By Tim Abbey, Peter Landschoot, Ph.D., Tanner Delvalle
Goosegrass, also known as silver crabgrass, is a warm-season annual grass weed that infests golf course turf, athletic fields, lawns, parks, and institutional grounds.
Slime molds (causal organisms: Mucilago, Physarum, and Fuligo spp.) are different from most turfgrass pathogens in that they do not directly infect the plant.
By Tim Abbey, Peter Landschoot, Ph.D., Tanner Delvalle
Yellow foxtail [Setaria pumila (Poir.) Roem. and Schult] and green foxtail [Setaria viridis (L.) Beauv.] are warm season summer annual grass weeds that invade low-maintenance lawns, parks, grounds, roadsides, and new turf establishments.
By Stephen Campbell, M.S, John C. Harper II., Ph.D, Pete Landschoot., Ph.D
While the basic concepts of a good watering program may appear simple, in actual practice there are many and varied problems associated with the successful application of each.
By Tim Abbey, Peter Landschoot, Ph.D., Tanner Delvalle
Roughstalk bluegrass, more commonly known by its Latin name of Poa trivialis, is an invasive perennial grass weed that thrives in moist soils and in lawns and parks with heavy to moderate shade from trees and buildings.
By Tim Abbey, Peter Landschoot, Ph.D., Tanner Delvalle
Barnyardgrass, also known as cockspur grass, panic grass, or watergrass, is a warm-season annual grass weed that invades low maintenance lawns, grounds, right of ways, roadsides, and new turf establishments.
By Tim Abbey, Peter Landschoot, Ph.D., Tanner Delvalle
Nimblewill, also called wire grass and drop seed, is a common warm-season perennial grass weed of lawns, parks, and other low-maintenance turf areas in Pennsylvania.
By Tim Abbey, Peter Landschoot, Ph.D., Tanner Delvalle
Common purslane, sometimes referred to as pursley or wild portulaca, is a weed of low-maintenance lawns, parks, institutional grounds, and athletic fields.
Immediate and appropriate action, such as providing first aid, may be necessary to prevent serious injury to a victim of pesticide poisoning. The situation can be a life-or-death matter.