Donald M. Ferrin, Ph.D., Louisiana State University Agricultural Center, Baton Rouge, LA
Fig rust, caused by the fungus Cerotelium fici, is already causing defoliation of fig trees in parts of southern Louisiana. This is considerably earlier than normal, but this spring’s abundance of rainfall made conditions ideal for disease development. For more … Continue reading
Powdery mildew, caused by the fungus Erysiphe lagerstroemeriae, is once again wreaking havoc on the blooms of susceptible crape myrtle varieties. The warm, humid weather during late spring and early summer has been ideal for disease development on plants in partially … Continue reading
The Louisiana Turfgrass Association recently unveiled its new website at http://www.laturf.net. Check it out!
Back in mid June Dr. Ron Strahan brought me a sample of active brown patch on St. Augustine from south Louisiana. Well, here it is the middle of July and Gerald Roberts, county agent in Lafayette Parish, also notified me of an active brown … Continue reading
I taught a Master Gardeners class in Avoyelles Parish yesterday evening and in appreciation Dr. Carlos Smith and members of the class presented me with this beautiful bouquet. It’s not everyday that you get a bouquet of tomato flowers, especially … Continue reading
Todays’s disease photo comes courtesy of Gerald Roberts in Lafayette Parish. This is peach scab caused by the fungus Cladosporium carpophilum. The pathogen infects twigs and leaves as well as the fruit. Spots on the fruit are generally small (usually less than … Continue reading