Information on plant disease identification and control, including rot, freeze damage, rust, blight, mold, scales, bacteria, viruses, fungus, wilt, mildew, gall, mites, moths and cankers. Tips on integrated pest management and herbicide summaries.
Oak wilt was not known in New York before 2008, but foresters and arborists are managing it there now.
More Videos ByMarley E Skinner, Montserrat Fonseca Estrada Length8:37
Este video revisa los fundamentos de la exploración adecuada y la identificación de enfermedades comunes y sus síntomas.
Within the past week, there have been three separate reports of downy mildew on jack-o-lantern pumpkin in eastern Virginia.
Management considerations are discussed for mitigating pome fruit rots before and after harvesting.
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Learn a process for diagnosing plant health problems, including signs and symptoms of diseases, pests and insects, and environment or management issues.
When we have unusually high temperatures in early spring, many woody trees and shrubs will break bud and leaf out or flower early.
Raspberries are affected more severely by leaf curl than are blackberries.
Phytophthora root rot is now regarded as a major cause of declining red raspberry plantings.
Management considerations are discussed for mitigating pome and stone fruit rots. Hail damaged fruit destined for juicing still need protection from rots.
The rainy weather is not letting up and neither is downy mildew pressure.
Conditions may be optimal for several fungal and bacterial pome and stone fruit diseases in July.
More Videos ByMarley E Skinner Length8:21
Tomatoes are an important and profitable crop for many vegetable growers. This video reviews the basics of proper scouting and identification of common diseases and their symptoms.
A common disease of roses called black spot is caused by the fungus Diplocarpon rosae. This fungus readily attacks young expanding leaves and young canes.
The bacterium Pseudomonas syringae, is an opportunistic pathogen which attacks a wide variety of woody plants especially when they are damaged by frost or injury.
Fungus-like organisms belonging to the genus Phytophthora are soil- or plant-borne and all are plant pathogens.