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… like inking (identifiable by the emergence of dark, brown-black blemishes or streaks on the fruit's exterior, … limited to the skin) or skin burning (manifesting as brown and/or black regions on the fruit's skin, which … Furthermore, Captan fungicide, commonly used to control brown rot, has been suspected of contributing to these …

… and sometimes middle-aged leaves. Leaves later develop brown or black spots with white patches (fig. 1). The crown … ozone symptoms of irregular dry-looking dark or light brown flecks usually starting on lower leaves (fig. 3a). … spot (fig. 4). But bacterial spot lesions are dark brown to black and initially circular in shape and appear …

… and usually on the shaded side. The symptoms appear as brown patches on the skin of the apple, which are diffuse (no … between affected and unaffected skin) irregular, and light brown to dark brown to black in color (Fig 1). Superficial scald can also …

… A “moon tree” American sycamore stands outside the Goddard Space Flight Center in Greenbelt, Maryland. The tree was planted in 1977. Photo by Jay Friedlander Updated: … areas, how to identify and control invasive plants and insects, and about news and regional online and in-person …

… near industrial areas. Symptoms appear as ivory to brown areas between the veins (interveinal) and along the …

… The newly hatched larva is creamy white with a dark brown head. As the larva grows, its body becomes greenish and … are gray-blue at the base and become cream-colored with brown patches towards the tips. They are active mid-to-late …

… numbers since they can reproduce quickly. Aphids feed on plant sap using their straw-like mouthparts. Plant damage from aphid feeding tends to be minimal, though there is a risk they could transmit a plant virus. Many predatory insects and songbirds eat aphids …

… in home gardens, though they may not be noticed unless plants show these symptoms. Inspect ailing plants and learn how to find scale insects using the … This includes sites where trees are surrounded by lawn receiving excessive nutrients.   Overlapping aggregation …

… The affected turfgrass has a water-soaked, slimy, dark brown to black appearance. As the disease progresses, the …