Tag Archive: Wilt

Laurel Wilt Fungus (Raffaelea lauricola) Reflects the Spread of Redbay Ambrosia Beetles

This tiny thread of sawdust is an indication of an ambrosia beetle infestation. Photo by Les Harrison Ambrosia beetles are known for attacking various woody plants, causing some limb and stem dieback and sometimes plant death. There are at least 30 species of ambrosia beetles in Florida, several of which are non-native. Typically ambrosia beetles …

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Permanent link to this article: http://gulf.ifas.ufl.edu/newsletters/2017/07/15/laurel-wilt-fungus-raffaelea-lauricola-reflects-the-spread-of-redbay-ambrosia-beetles/

Fusarium Wilt in Watermelon

Fig. 1: Early wilting symptoms starting on one side of the plant from the disease Fusarium wilt of watermelon. Dr. Nicholas Dufault, UF/IFAS Plant Pathologist Recently, there have been some observational data that suggest North Florida watermelon growers are experiencing an increased incidence of Fusarium wilt in their production fields. While it is uncertain what …

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Permanent link to this article: http://gulf.ifas.ufl.edu/newsletters/2014/10/09/fusarium-wilt-in-watermelon/

Spotted Wilt Virus in Tomato

Tomato exhibiting signs of tomato spotted wilt virus Tomatoes, though a  joy to eat, are not the easiest crop to grow.  An Escambia County grower recently brought in a sample showing unusual patterns on the green fruit.  When he cut the fruit open, he noticed discoloration on the inside.  The issue was visually diagnosed as tomato spotted wilt virus. …

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Permanent link to this article: http://gulf.ifas.ufl.edu/newsletters/2013/06/19/spotted-wilt-virus-in-tomato/