Monthly Archives: April 2011

Disease Du Jour (April 21, 2011)

Received this photo of a strawberry from Stuart Gauthier in Vermillion Parish earlier this week. As near as I can tell, this is a physiological condition called noninfectious phyllody (phyllody – the development of leaf-like structures where flowers should be) that has been observed in … Continue reading

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Disease Du Jour (April 20, 2011)

I’ve heard that azalea leaf gall is quite prevalent in the Feliciana parishes this spring.  Some people considered these galls to be unsightly, but I guess that a matter of personal perception.  The fungus that causes them,  Exobasidium vaccinii, only invades the young expanding leaves during … Continue reading

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Disease Du Jour (April 14, 2011)

Received the first sample of the season of tomato spotted wilt virus from northern Livingston Parish. It was found in two locations several miles apart. Both samples were of Celebrity tomatoes that had not even set fruit yet. This virus is … Continue reading

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Cucurbit Downy Mildew Update!!

A colleague in South Carolina recently reported that downy mildew had been observed on yellow summer squash and zucchini plants in a Home Depot in Charleston last week (April 6). The plants had been grown in Miami, FL and had Home … Continue reading

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Louisiana Sweet Potatoes blog

Sweet potato extension specialist Tara Smith today announced the launching of a new blog that may be of interest to some of you. You can view her blog, Louisiana Sweet Potatoes at

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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

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White Leaf Spot of Mustard Greens

While out in Livingston Parish with Kenny Sharpe earlier in the week, we visited a commercial grower having a problem with mustard greens. My first thought was downy mildew, but it turned out to be white leaf spot, caused by … Continue reading

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