Phytophthora On Poinsettia

November 23, 2016

Tips On How To Prevent Aerial Blight Spread In Poinsettias

According to Michigan State University experts, certain species of the pathogen Phytophthora, which is typically thought of as a root rot, can also cause issues above-ground.

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eric smith Biosafe

October 13, 2016

BioSafe’s New Hort Sales Rep Says Water Regulation And Disease Pressure Are Biggest Industry Challenges

Eric Smith, BioSafe Systems’ New Horticultural Technical Sales Representative, has several years of experience that he says will help him when working with growers on critical issues facing them.

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Downy mildew lesions on light coleus cultivars feature

October 4, 2016

Crop Protection Manufacturers Detail 2017 Early Order Discounts

Greenhouse Grower asked crop protection product manufacturers to send us the details for their 2017 Early Order Discount Programs and ongoing rebate programs, to provide you with a compiled knowledge resource of all discount offers at a time when you're making decisions for 2017.

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tomato spotted wilt virus angular-necrosis-of-leaves-and-plant-stunting

September 28, 2016

Tips For Managing Tomato Spotted Wilt Virus In Mums

According to a report from Michigan State University, symptoms of tomato spotted wilt virus on chrysanthemum include yellow blotching and rings, necrotic lesions, and stem collapse.

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Leaf Septoria In Cannabis

August 21, 2016

Three Diseases To Watch For In Cannabis Production

The development of root rot, powdery mildew, and leaf septoria can damage cannabis to the point of complete crop loss.

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Downy mildew lesions on light coleus cultivars feature

August 12, 2016

How You Can Control Downy Mildew In Coleus, Roses, And Other Crops

Downy mildew diseases are potentially devastating to ornamental crops and at the very least can cause unsightly damage. Check out the latest research and recommendations for preventing it.

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BASF Orkestra Intrinsic

June 21, 2016

New Mode Of Action From BASF Offers Deeper Disease Control

When it comes to disease control, you need all the help you can get. BASF recently hosted growers, Extension personnel, and trade media to present its newest fungicide with two active ingredients, offering dual modes of action.

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Triathlon BA container shot

May 24, 2016

OHP’s Triathlon Biofungicide Now Listed By The Organic Materials Review Institute

Triathlon BA is a broad-spectrum preventative biofungicide that provides control of many foliar and soilborne diseases in ornamentals and herbs.

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Pythium On Chrysanthemum

May 20, 2016

How To Prevent Pythium In Fall Garden Mums

Avoid profit loss in fall garden mums due to pythium root rot with good drainage and integrated pest management practices that reduce risk factors.

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April 28, 2016

Holistic, Integrated Approach To Pest Control Rooted In Research

Greenhouse growers have been practicing integrated pest management for decades, but it’s becoming increasingly more important with the continued scrutiny of conventional pest control by a number of “regulators” — government, retail, and consumers. I just returned from Meister Media Worldwide’s Biocontrols USA 2016 Conference, in Monterey, CA, at the beginning of March this year, which served 450 attendees and 50 exhibiting supplier companies. It’s clear from the presentations and the growing attendance at this specialized event — now only in its second year — that use of biocontrols in IPM will continue to be adopted widely, as more growers get past their personal hurdles of doubt and intimidation, and embrace a new way to approach pest and disease control. Many growers think of using biocontrols as an all-or-nothing approach, but ultimately, IPM is about balance. Growers will need to continue to focus on IPM, integrating chemistry with biology, because […]

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Black Root Rot on Vinca

March 15, 2016

How To Identify Different Root Rots In The Greenhouse

Root rots can cause similar symptoms on hosts. Here are some tips for scouting in your greenhouse.

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One symptom of Botrytis blight is gray, fuzzy sporulation on foliage and flowers, similar to that shown on the flower of this hibiscus

March 11, 2016

Manage Botrytis With These Cultural And Fungicide Control Options

High relative humidity and low temperatures in the greenhouse open the way for Botrytis to develop on plants. A mix of cultural and fungicide control options will help you manage this common disease effectively.

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