Ajay Nair, Lynn Schroeder, and Paul Domoto
Department of Horticulture, Iowa State University
Much across Iowa we saw freezing temperatures which gave sleepless nights to a majority of our growers. Unfortunately the temperatures dipped to lower 20's which set the stage for damage on apple blossoms which were 3-4 weeks ahead in bloom. Below are pictures which show some damage to fruit and petal.
|Frost damage on petals|
|Frost damage to ovary (dead black tissue in the center)|