Tag Archives: plant disease management

Citrus Post-Harvest Fungicide Now Registered in Louisiana

Graduate A+, a combination of the fungicides fludioxonil and azoxystrobin, is now registered for use in Louisiana as a post-harvest fungicide treatment on citrus.  As part of the federal quarantine for Sweet Orange Scab, all citrus fruit being shipped out of the quarantined … Continue reading

Posted in Fruit | Tagged , , , , , , , , | Leave a comment

Disease Du Jour (April 11)

Received to e-mails today from folks wanting to know what they can do about quince rust on mayhaws. At this point, since the disease is already expressing symptoms, there’s not much that can be done. The spores that are produced … Continue reading

Posted in Fruit | Tagged , , , , , , , , , , , | Leave a comment

A new resource on turfgrass fungicides

New from APS Press!  A Practical Guide to Turfgrass Fungicides by Dr. Richard Latin of Purdue University. The regular price for this is $139.95, but it is currently on sale for $109.95. This book contains a wealth of information on all aspects of … Continue reading

Posted in Turf | Tagged , , , , , , , | 1 Comment

All about Blueberries: a new eXtension Community of Practice

Need information on blueberries?  Well, you’re in luck. The “All about Blueberries” Community of Practice was launched on the eXtension website last week. The site contains information on a variety of topics pertaining to blueberries, including all aspects of their production, their … Continue reading

Posted in Fruit | Tagged , , , , , , , | 1 Comment

Laurel Wilt Continues to Move West

Laurel wilt, a devastating disease of red bay and sassafras trees that is transmitted by the red bay ambrosia beetle, was found recently in Panama City in the Florida panhandle. Initial symptoms of laurel wilt are a reddish or purplish discoloration … Continue reading

Posted in Forestry / Urban Forestry | Tagged , , , , , , , , , , | 1 Comment

Disease Du Jour (August 25)

Today’s photos are of Cercospora leaf spot of persimmon and come courtesy of Stuart Gauthier in Vermillion Parish. The disease occurs only on the foliage and does not affect the fruit directly. However, it can cause premature defoliation, which in turn can affect … Continue reading

Posted in Fruit | Tagged , , , , , , , | Leave a comment

Sweet Orange Scab Now in Louisiana

On August 20, sweet orange scab (SOS), caused by Elsinoë australis, was confirmed on a residential citrus (lime) tree in the Algiers section of Orleans Parish.  According to USDA-APHIS PPQ, “under the International Plant Protection Convention standards, Elsinoë australis is considered … Continue reading

Posted in Fruit | Tagged , , , , , , , , , , | Leave a comment