Joanne Whalen, Extension IPM Specialist; jwhalen@udel.edu Alfalfa Continue to scout fields for both alfalfa weevil and pea aphids. Economic levels of both can be found in alfalfa fields at this time. As a general guideline, you should consider a treatment… Continue Reading
Bob Mulrooney, Extension Plant Pathologist; bobmul@udel.edu Plant pathologist, Amanda Gevens, confirmed the late blight pathogen, Phytophthora infestans, in potato seed grown in Wisconsin on April 12, 2011. Dr. Gevens says: “Given the sampling method and size, it is not known… Continue Reading
Gordon Johnson, Extension Vegetable & Fruit Specialist; gcjohn@udel.edu Most fresh market vegetable crops are either grown under conventional tillage or plasticulture systems requiring significant tillage. From a soil health perspective organic matter is the driver for healthy soils and the… Continue Reading
Joanne Whalen, Extension IPM Specialist; jwhalen@udel.edu Asparagus Be sure to check for asparagus beetles laying eggs on asparagus spears. As a general guideline, a treatment is recommended if 2% of the spears are infested with eggs. Since adults will also… Continue Reading
