Vegetable Crops Archives | Page 3 of 6

LETTUCE FUSARIUM WILT CONTINUES TO CAUSE CONCERN

Posted on August 20, 2018 by Steve Koike

Fusarium wilt of lettuce continues to be confirmed in numerous coastal California plantings, and previously un-infested ranches are found to harbor the pathogen. Symptoms are most often seen on diseased iceberg (“head”) lettuce, though romaine and other types can also be infected and show symptoms. In fact, some romaine plantings in Yuma (last winter) and […]

OUTBREAKS OF IMPATIENS NECROTIC SPOT VIRUS ON LETTUCE

Posted on July 23, 2018August 20, 2018 by Steve Koike

The Impatiens necrotic spot virus (abbreviated INSV) was first found and documented on California lettuce in 2006. Every year since then, INSV has occurred on lettuce to a greater or lesser degree throughout coastal California and especially in the Salinas Valley. Starting in June 2018 and continuing through July, we are seeing this year’s expected […]