Brown Patch - Lawns
… Brown patch symptoms on turf. Photo: Geoffrey Rinehart, UMD Updated: August 20, 2025 Brown patch is a common summertime disease of cool-season …
Roots in Research CMREC - Turfgrass Facility - Yield Year 2023
Summer Patch - Lawns
… Circular, primary symptoms of summer patch on Kentucky bluegrass. Photo: Kevin Mathias, UMD … on a yellow or bronzed appearance. The leaf blades turn brown from the tip giving the turf a straw-colored … or bronze-colored patches prior to the straw color. Summer patch spreading in a Kentucky bluegrass lawn Photo: Lee …
Common Stink Bugs of the Mid-Atlantic - Hemiptera: Pentatomidae
… Stink Bugs of the Mid-Atlantic Hemiptera: Pentatomidae Plant feeding (phytophagous) stink bugs: Green stink bug: … depends, to some extent, on the developmental stage of the plant and when it is pierced by stink bugs. Damage in …
Diagnose Lawn Problems in Maryland
… 2024 Dead patches or brown spots are common symptoms of a lawn problem. However, they can be caused by disease, … areas and increase sunlight in shaded areas. Or plant a lawn alternative because it will be easier to maintain than … in soil primarily from April - May (these do not cause lawn damage), and late August - September. Can …
What is Chilling Injury in Peaches, What Causes it, and How Can You Manage it? (FS-1141)
… the lighter yellow and white colors of the flesh to turn brown (Figure 4). This is typically the next CI symptom … compounds (phenolics), triggering the generation of dark brown pigments that contribute to overall browning of the …
From the Orchard to Cold Storage: A Closer Look at the Development of Nine Physiological Disorders in Apples (FS-2022-0640)
… nutritional balance and avoid excessive vigor. The use plant growth regulators to delay ripening can reduce … D., Arie, R. B., Naschitz, S., Friedman, H. 2016. Identification of open lenticels in apples after harvest in …
Common Soybean Pests in Maryland (FS-2025-0759)
… II FS-2025-0759 | October 2025 Common Soybean Pests in Maryland By Hayden Schug, AgFS Educator, University of … nodules, further limiting plant growth. Severely affected plants may wilt prematurely or have poorly developed root … allowing new juveniles to emerge and continue the cycle. Multiple generations may occur in a single growing season, …
Cherry Laurel: Identify and Manage Problems
… with, or slightly above, ground level. Visit Planting a Tree or Shrub for more details. Mulch should be laid no thicker than … Michael A. 2009. Manual of Woody Landscape Plants, Their identification, Ornamental Characteristics, Culture, …
Sulfur Deficiency in Sweet Corn
… tomato field-leaves should be green (circles) not speckled brown. Over the past few weeks I have gotten reports of and … 3 Patches of thrips feeding coalescing into large areas of brown dead leaf tissue. Fig. 4 Tiny black flecks of thrips … which results in stippling-mild feeding damage or brown spots about 1/8 inch in size, which indicates heavy …