Edema om Ivy Geranium. Photo credit: SHS Griffin

March 27, 2014

Geranium Leaf Spots: Is it Rust or Edema?

Damp conditions can lead to both rust and edema in geranium. Here's some advice on scouting and treating each.

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March 25, 2014

Boxwood Blight

Since October 2011, boxwood blight has been identified in 10 states and three Canadian provinces. Here’s what you need to know about this new disease, including ideal conditions for blight, how it spreads, symptoms to watch for and effective fungicide treatments in this episode of FloriCAST.

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March 21, 2014

Dümmen Clarifies Growers’ Options Regarding The Kansas Department Of Agriculture Regulation On Petunias

The Dümmen Group has released a statement to clarify growers' options regarding regulations the Kansas Department of Agriculture (KDA) placed on petunia cuttings sourced from Dümmen's Las Mercedes, El Salvador farm during weeks 51 through 7.

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Impatiens downy mildew, Photo Credit: Ian Maguire, Biological Scientist, University of Florida

March 19, 2014

Impatiens walleriana Makes Possible Comeback In 2014 Season

Despite efforts to thwart downy mildew, growers, researchers and landscape experts are predicting a continued impact on Impatiens walleriana supply issues for the 2014 season.

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March 18, 2014

Exclusive: Kansas Department Of Agriculture’s Jeff Vogel Discusses TMV And The Kansas Pest Freedom Standards

Greenhouse Grower talked to the Kansas Department of Agriculture’s Plant Protection and Weed Control Program Manager Jeff Vogel to learn about the Kansas Pest Freedom Standards and how the state is regulating tobacco mosaic virus (TMV) on petunias this season.

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March 18, 2014

Kansas Department of Agriculture Taking Measures On Petunia Cuttings Shipped From Dümmen El Salvador Farm

The Kansas Department of Agriculture (KDA) has ordered growers and retailers to destroy all petunias received from the Dümmen Group's Las Mercedes, El Salvador farm.

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Leaf Distortion

March 18, 2014

Kansas Department of Agriculture BMPs For Scouting TMV On Petunias

The Kansas Department of Agriculture is asking growers and retailers to follow regulatory action and recommendations in scouting petunias for symptoms of tobacco mosaic virus (TMV).

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March 13, 2014

Two BioSafe Systems Products Proven To Reduce Fusarium

In a recent study, SaniDate 12.0 and ZeroTol 2.0 from BioSafe Systems were evaluated as sanitizing products to control fusarium in irrigation water.

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OxiPhos_CMYK

February 26, 2014

BioSafe’s OxiPhos And ZeroTol Are Effective For Controlling Downy Mildew, Study Shows

A recent study has determined the effectiveness of OxiPhos and ZeroTol 2.0 in controlling impatiens downy mildew.

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February 26, 2014

Dümmen Reports Incidences Of TMV In Red Fox Petunia Cuttings From El Salvador Operation

Growers who have received Red Fox brand petunia cuttings from the Dümmen Group’s Las Mercedes, El Salvador stock plant facility should inspect unrooted petunia cuttings and plants for any symptoms of tobacco mosaic virus (TMV).

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February 26, 2014

Scouting And Preventative Measures For Tobacco Mosaic Virus (TMV) On Petunia

Here is the advice Dümmen shared with its customers on scouting and preventative measures for dealing with TMV on petunia.

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