Tuliptree Scale
… scale insect groups and biology on Introduction to Scale Insects . This is a common pest of t ulip poplar, magnolia , … Learn more about what to look for on Monitoring for Scale Insects . Appearance Mature female covers are hemispherical, … on Woody Plants: an IPM approach. Third Edition, revised. Tree Care Industry Assoc. Londonderry, NH. 175pp. Illus. and …
Fire Blight Disease of Trees
… cankers and can be spread by wind, rain, birds, humans or insects to other plants. The most common insects that spread the disease are pollinators such as bees … of cankers which spreads by wind, rain, birds, humans, or insects to other plants Flagging branch tips Photo: R. …
A Return of a Scale
… into the landscape. If uncontrolled, they can kill the tree. Hosts San Jose scale is most destructive on apple and … be a serious pest of sweet cherry, peach, prune, and other tree fruits. It also attacks nut trees, berry bushes, and …
Cottony Camellia Scale
… insect groups and biology on our Introduction to Scale Insects page. Cottony camellia scale is a common pest of c … ovisacs. Photo: United States National Collection of Scale Insects Photographs, USDA Agricultural Research Service, … on Woody Plants: an IPM approach. Third Edition, revised. Tree Care Industry Assoc. Londonderry, NH. 175pp. Illus. and …
A Return of a Scale
… into the landscape. If uncontrolled, they can kill the tree. Hosts San Jose scale is most destructive on apple and … be a serious pest of sweet cherry, peach, prune, and other tree fruits. It also attacks nut trees, berry bushes, and …
Native Trees of Maryland: The Pawpaw, Asimina triloba
… levels of essential amino acids. This small understory tree (10-40’ tall), might be a fun and fitting option for … areas, how to identify and control invasive plants and insects, and about news and regional online and in-person …
Nutrient Deficiency of Trees and Shrubs
… Maple tree showing symptoms of iron deficiency. Photo: William M. … to distinguish from other symptoms associated with insects or disease, other adverse soil conditions such as …
Peaches
… Updated: November 11, 2025 By Joseph Fiola, Ph.D. Tree Fruits - Penn State Web pages on Production & … April 2024, Volume 15, Issue 1 Spray Program for Multi-Tree Fruit Orchards Common Fruit Herbicides* Tree Fruit Production Guides Tree Fruit Pest Management …
Branching Out - Spring 2025
… for woodland threats from invasive diseases, plants, and insects. Learn more >> Flowering Dogwood in Baltimore, MD. … immune systems each spring, it serves an important role in tree reproduction and more. Learn more >> Scanning electron … levels of essential amino acids. This small understory tree (10-40’ tall), might be a fun and fitting option for …
April Gardening Tips and Tasks
… More than one-quarter (28%) of North American bumble bees are at risk of extinction. Learn how you can host bees in your garden by providing the habitat and nesting … them as a pest. Mason bee adults (also known as orchard bees) typically become active mid to late April. These native …