David Owens, Extension Entomologist, owensd@udel.edu Congratulations to Lamar Witmer for correctly identifying last week’s pest as paraquat drift. While this wasn’t severe in the field, it highlights the importance of following label and university guidance to reduce drift. This is… Continue Reading
Gordon Johnson, Extension Vegetable & Fruit Specialist; gcjohn@udel.edu Leaf curling, cupping and rolling in vegetables can be caused by virus diseases, aphid infestations, herbicides and growth regulators. We are currently finding physiological leaf roll and leaf curling due to exposure… Continue Reading
Gordon Johnson, Extension Vegetable & Fruit Specialist; gcjohn@udel.edu Each year, there are cases where vegetables in high tunnels and greenhouses are injured by herbicides. Drift from herbicide applications near greenhouses and high tunnels can cause major losses. Small spray particles… Continue Reading
Jarrod O. Miller, Extension Agronomist, jarrod@udel.edu This article originally appeared in UMD Agronomy News Blog, July 2017. Pesticide drift and volatility are important considerations this time of year. Drift to adjacent fields is typically due to wind, which is why… Continue Reading
Gordon Johnson, Extension Vegetable & Fruit Specialist; gcjohn@udel.edu Growers are reporting problems with stunted transplants. In some cases, plants appear to have abnormal growth with compressed internodes, “twisted” stems, or abnormally shaped leaves. In other cases, plants are not putting… Continue Reading
