John Clausen

John Clausen
John Clausen is a professor in the Department of Natural Resources and the Environment at the University of Connecticut.
Latest Stories
Powdery mildew on rosemary. Photo credit: SHS Griffin

December 14, 2017

New Biofungicide Approved for Disease Control in Orname…

Certis USA recently introduced Carb-O-Nator, a new broad-spectrum foliar fungicide that works on contact to control powdery mildew, Alternaria, Anthracnose, Botrytis, Septoria leaf spot, and other diseases.

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cuttings-facility

December 13, 2017

New Webinars Address Effective Propagation Techniques

e-Gro, an online clearing house for alerts about greenhouse disease, insect, environmental, physiological, and nutritional disorders, recently posted two new propagation-related webinars on YouTube.

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Oasis-Transportation-Solutions

December 12, 2017

New Products Designed to Protect the Quality of Plants …

The innovative technologies from Oasis Grower Solutions are aimed at ensuring that the supply chain delivers the best possible consumer plant experience.

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December 12, 2017

Research Sheds Light on How to Manage Plant Stress With…

An innovative system developed by Chinese researchers uses rapid imagery to indicate plant health, enabling growers to respond quickly and automatically to plant stress.

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Combo-at-Youngs-Plant-Farm

December 12, 2017

How to Produce Stunning Combination Containers

It’s easy to produce your own attention-grabbing combos, if you follow this advice from a master combination designer.

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ISO-Group-Transplanter-feature

December 11, 2017

Evaluating Robotic Transplanters for Plant Cuttings

There are several factors that might affect your decision to invest in transplant robots, based on initial observations and reported information about available equipment.

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Overhead-irrigation-to-maintain-moisture-content-feature

December 10, 2017

Greens Production Goes High-Tech at lēf Farms

A Finland-based company has developed two new automatic growing systems for lettuce heads and baby leaf lettuce. Learn how one grower is making it work for them.

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December 9, 2017

Southern California Wildfires Narrowly Miss Most Grower…

Here’s an update on horticulture businesses in the areas affected by the California wildfires.

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Monitoring the plant canopy for temperature

December 9, 2017

Infrared Thermometers for Monitoring Plant and Substra…

Growers use many tools to monitor the greenhouse environment. Learn about the best practices for using an infrared thermometer to measuring plant temperature.

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Weigela Czechmark (Spring Meadow Nursery)

December 8, 2017

Spring Meadow’s New Logo Highlights Focus on New, Color…

In a move that highlights its commitment to developing new, colorful flowering shrubs, Spring Meadow Nursery has unveiled a new logo.

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HortScholars

December 8, 2017

HortScholars Program Now Accepting Applications for 201…

Do you know any college students currently in a horticulture-related program? This unique program gives them a chance to connect with industry leaders and make new connections at Cultivate.

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Peat vacuum harvester

December 8, 2017

The Sustainability of the Peat Industry Looks Better T…

Despite talk about alternative products and differences of opinion over its sustainability as a resource, peat is here to stay.

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SunStanding-New-Guinea-Impatiens-Dummen-Orange-feature

December 7, 2017

Growing Tips From a Pro for SunStanding New Guinea Impa…

SunStanding New Guinea impatiens hybrids spruce up the landscape with vibrant blooms that explode with color in both sun and shade areas, and they hold up well in heat and humidity.

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Japan-Airlines-princettia

December 7, 2017

Suntory Pairs Princettia with Several Breast Cancer Awa…

Suntory Flowers is partnering with several major brands to support breast cancer awareness and fundraising, using its bright-pink Princettia euphorbias as the ideal plant for Pink Ribbon promotions.

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December 7, 2017

For the Record: Differing Opinions Are Healthy

With all of the changes happening in our industry, differing opinions are healthy. Let's open up the dialog and keep it real.

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mycoapply-from-mycorrhizal-applications-feature

December 6, 2017

How Mycorrhizae Provide Value at Your Greenhouse or Nur…

Mycorrhizae create a connection between the roots of a plant and the surrounding growing media. This ultimately leads to better crop health through enhanced nutrient and water uptake.

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Kellee O'Reilly

December 5, 2017

We Are Not Immune: An Open Letter to the Green Industry…

We’re an industry rooted in family values, farming, agriculture, passion for nature, and faith. We are also an industry made up predominantly of men in positions of leadership. During an interesting watershed moment that is happening culturally at present, it's important for the green industry to address its own issues.

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GROW-Summit-2017-Group-Photo

December 5, 2017

GROW Summit 2017 Tackles Marketing and Business Managem…

This year’s think-tank style event brought together leaders from across the green industry to deliberate on topics such as disruptive marketing, cost accounting, and Millennials, to name a few.

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