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Disease Control Products for Herb Bedding Plant Production

Thu, Feb 22nd, 2024, created by Jean Williams-Woodward
When choosing products to control plant diseases in greenhouse production, the active ingredient and brand name is an important consideration...

2024 State of the Green Industry Survey

Tue, Feb 20th, 2024, created by Alicia L. Rihn
Dear e-GRO reader: You are invited by the Green Industry Research Consortium, a group of University-based horticulturists and agricultural economists, to participate in our industry survey...

Becoming a Greenhouse Guru: Eight Tips for a New Grower

Wed, Feb 14th, 2024, created by Heidi Linberg
Recently, a group of experienced Michigan greenhouse growers gathered to share their experiences and create lists on how to prepare for the spring growing season...

Upcoming Webinar on Employee Safety and New CE Crop Insurance

Wed, Feb 14th, 2024, created by Heidi Linberg
The Floriculture Team at Michigan State University Extension will be offering a virtual Greenhouse Risk Management Webinar for greenhouse and nursery growers...

Transplanting Tips

Thu, Feb 8th, 2024, created by W. Garrett Owen
The time has come to plan or begin transplanting plugs (seedlings) and liners (rooted cuttings) for spring production...

Updated Bulletin on Biological Control Agents Available

Thu, Jan 25th, 2024, created by Heidi Linberg
In recent years, greenhouse growers have increasingly embraced biological control for pest management...

Watch for Botrytis on Poinsettia

Wed, Nov 8th, 2023, created by Jean Williams-Woodward
Itís time to get your poinsettia crops past the finish line and out the door. There has a myriad of disease issue on poinsettias this growing season including bacterial soft rot, Pythium and Phytophthora root rots, Rhizoctonia stem rot, Alternaria leaf spot, powdery mildew and Botrytis to name a few...

The Eye Eats Before the Mouth, but What Attracts Customers?

Thu, Oct 26th, 2023, created by Alicia L. Rihn
Edible greens (e.g., leafy greens, lettuces, herbs, microgreens) have a variety of aesthetics. Color is a key aesthetic for these items, and they come in various colors from purples and pinks to various shades of green...

Aloha! Hawaiian Beet Webworm in Celosia

Thu, Oct 12th, 2023, created by Dan Gilrein
Each year eastern Long Island, NY is inundated with exotic summer visitors, including some of the entomological persuasion...

Check your roots and scout for disease

Wed, Aug 23rd, 2023, created by Jean Williams-Woodward
It is hot and humid across much of the USA. Heat and high humidity within enclosed production facilities are favorable for disease development...

What Are Your Worst Problems? Help Prioritize Research by Completing Survey

Tue, Jul 11th, 2023, created by Nora Catlin
Complete the USDA IR4 Biennial Grower & Extension Survey and share which pest problems you find difficult to manage due to a lack of sufficient management tools...

Non-chemical Control of Weeds Inside Greenhouses

Mon, Jul 10th, 2023, created by Debalina Saha
Weeds are a persistent problem in greenhouses, hoop houses, propagation houses, and other enclosed structures...

Thrips Tips

Thu, Jun 8th, 2023, created by Dan Gilrein
This spring the Diagnostic Lab received some interesting plant samples showing very different kinds of damage from the same cause: dramatic stunting and distortion of new foliage on fuchsia, stippling and dark specks (droppings) on the upper sides of calibrachoa leaves...

Phytophthora on annual vinca in greenhouses

Tue, May 9th, 2023, created by Jean Williams-Woodward
Phytophthora crown rot and foliar blight, caused by Phytophthora nicotianae, was recently seen on annual vinca (Catharanthus roseus) within greenhouse production...

Propagation Reminders: Poinsettia and Fall Garden Mums

Thu, May 4th, 2023, created by W. Garrett Owen
Though its early-May, itís not too early to start thinking about poinsettia and/or fall mum propagation...

A Snapshot of Native Plant Growers In the U.S.

Thu, Apr 27th, 2023, created by Alicia L. Rihn
In 2022, I had the opportunity to dive deep into production factors that native plant growers use and how that compares to firms growing and selling non-native plants in the U...

Uneven Lettuce Growth in NFT Systems

Wed, Apr 19th, 2023, created by Roberto Lopez
Regardless of the material you use to germinate your lettuce seedlings, it is important that rooted seedlings make contact with the water in a nutrient film technique (NFT) system...

Irrigation Management for Iron Management

Wed, Mar 29th, 2023, created by Brian Whipker
Water management can be a challenge as plants mature and warmer greenhouse conditions occur. In order to try to avoid drought stress, it is easy to irrigate more frequently...

Biocontrol Agent Failures Can be Linked to Past Pesticide Applications

Thu, Mar 23rd, 2023, created by Thomas Ford
Vegetable production in protected culture systems is growing exponentially in many communities as the demand for local year-round produce increases...

Pour-thru on Primula

Thu, Mar 16th, 2023, created by Roberto Lopez
During a recent grower visit, I noticed several primula plants that had begun to develop chlorotic foliage...

Such Bugs and Goblins! Another Thrips Threat

Thu, Mar 9th, 2023, created by Dan Gilrein
Apparently unexpected new pests have been appearing even since Shakespeareís time. One popping up in recent discussions, Thrips parvispinus, was new to continental North America when first reported from Florida on Anthurium and Hoya in 2020...