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Special A Fresh Start

Leaving a greenhouse empty? Prevent damage to pump systems

One in five growers says they’re thinking of just leaving their greenhouse completely empty this winter, according to a survey conducted by the Dutch sector organizations Glastuinbouw Nederland and Plantum. Skipping a crop or starting later obviously has serious financial consequences. What many growers…

Rutgers

December 8

Two food safety webinars

On December 8, there will be two webinars related to on-farm food safety. The first is part of the Lunchtime On-the-Go On-Farm Food Safety Webinar Series. Using sanitizers in a postharvest setting: selecting a sanitizer and understanding its labelThe webinar is presented by Donna Clements, Produce Safety Alliance Coordinator…

Havecon and Blueforest create one-stop-shop for greenhouse development

For the North American market, expanding or building a new greenhouse is becoming increasingly complex. Many requirements are imposed and many aspects need to be considered for a new location that requires significant amounts of time, energy, and expertise. Site evaluation, permit assistance, utility and…

Mealybug Management: how to manage this pest

What is a mealybug, and how does it impact greenhouse and nursery crops? How is it addressed? In this short Nufarm virtual learning series webinar, Key Account Manager Ornamentals Todd Birchler provides an overview of how to identify and remediate these pests.

"Start early with crop protection against root diseases"

Protection against root disease starts at the beginning of the growth cycle. The crop rotation is starting up again, and at some farms, the first plants have already been culled. Starting cultivation cleanly is, of course, extremely important. However, it is also time to think a step further, says…

Horconex receives HortiQ certificate

On Monday, 21 November, Horconex received the HortiQ certificate from Harm Maters, chairman of HortiQ. This means that the Poeldijk-based company (with branches in France and the Netherlands) meets the requirements for the quality system for greenhouses and installations. Jeroen Heemskerk, financial…

Coco substrate: a sustainable choice

"The future of sustainably produced coco substrate has received a new boost thanks to current economic developments," says Jelte Veenstra, director of Coco Substrates at Van der Knaap Group. In recent years, Van der Knaap has experienced a growing interest in coco. This year, they have witnessed an…

Looking ahead to 2023: preparing for spring crops

It's hard to believe, but as the first snow hits the ground here in Niagara, that means it's time to think about spring crops again; write Dr. Chevonne Dayboll and Dr. Sarah Jandricic in their blog.  This post gathers some of the most important things to plan and prep for in the greenhouse, including ordering…

The hydrophilic character of anticondens improves light incidence

Condensation on the greenhouse cover can significantly reduce light incidence. The hydrophilic properties of AntiCondens ensure that more light enters the greenhouse. Condensation on the inside of the greenhouse cover generally occurs at a low outside temperature and a high relative humidity inside the…

Cornell organizes sanitation open house for growers

Come experience several hands-on stations to help jump start and enhance your sanitation program. Try out new cleaning tools, learn how to select the right sanitizer, and…

US (OR): New Extension website helps solve pest and disease problems

A new Oregon State University Extension Service website provides a trove of science-based solutions for garden pests, weeds, and disease problems in one easy-to-navigate place. The project was shepherded by Weston Miller, an OSU Extension community horticulturist who got the ball rolling six years ago…

© Welcomia | Dreamstime.com

Identifying food safety hazards in greenhouse systems

According to the United States Department of Agriculture 2012 Census of Agriculture, sales from greenhouse-grown food crops equaled around $800 million in the U.S. Crops grown included tomatoes, lettuce, cucumbers, peppers, and berries, with hydroponic production operations making up about 64% of the…

Vegetable scraps ‘gold’ for Dutch entrepreneur Ad van Vugt

Fruit and vegetable scraps that currently are being thrown away as cutting waste can, through fermentation, be converted into high-end nutritional supplements with high concentrations of vitamin B12. This process involves a technology that is developed by Amsterdam Green Campus and its partners.…

Francis Paon, Fertil

Fertilpot: a biodegradable pot that saves time, labor and money

The French fruit and vegetable sector has been particularly dynamic to offer plastic-free packaging but it still has a long way to go. Indeed, before the products can be placed on the shelves of wholesalers and supermarkets, they very often first grow in plastic pots, which create tons of waste each day,…

Agdia launches rapid molecular test kit for tomato mottle mosaic virus

Agdia has launched a RNA-based assay, on their AmplifyRP XRT platform, for the detection of Tomato mottle mosaic virus (ToMMV).  Global tomato and pepper production has been significantly disrupted in recent years by emerging pathogens. One such pathogen, Tomato brown rugose fruit virus (ToBRFV, Tobamovirus),…

No crop in the greenhouse? Keep monitoring!

Now that most crops are coming to an end, and with that, crop rotation and cleaning are approaching, it remains crucially important to continue to monitor flying pests, partly due to the relatively warm weather for the time of year. With the Horiver trapping cards from Koppert, growers can catch…

Photo courtesy UC Davis

$6.2 million project seeks crop protection

Knapp awarded grant to advance strawberry breeding

The Strawberry Breeding Center in the UC Davis Department of Plant Sciences has landed $6.2 million to study how to use breeding and genetic information to protect strawberry crops from future diseases and pests. The four-year grant from the National Institute of Food and Agriculture will address…

Machines are ready to help growers during crop rotation

The time of crop rotation has come again. Old plants are removed from the greenhouse, everything is thoroughly cleaned and the new plants are planted. During these activities, it is extremely busy and growers might not have sufficient equipment available. Steenks Service rents out many machines during…

November 16

US (IA): Commercial ag weed, insect, plant disease course organized

Iowa State University Extension and Outreach Washington County will host a Commercial Ag Weed, Insect, and Plant Disease Pest Control Management Continuing Instruction Course (CIC) for commercial pesticide applicators Wednesday, November 16, 2022. The program, provided by the ISU Extension and Outreach…

At WWPT in Hook of Holland

Go-ahead for jointly treating water in 300 Dutch greenhouses

In the Netherlands, Westland U.A. water treatment cooperative members held a vote on Tuesday, November 1. They unanimously agreed to begin collectively purifying plant protection products. That will be done at the Nieuwe Waterweg Wastewater Treatment Plant (WWTP) in Hook of Holland. That cleared the way…

Helping growers propagate more with new website

While OASIS Grower Solutions aims to help growers propagate more in the greenhouse, it is proud to help growers do the same online with the launch of its new www.oasisgrowersolutions.com website.  "We are very excited to consolidate all of our product information into one site and provide online shopping for…

Special A Fresh Start this month

A good start is half the work, as long as you stay clean, that is. But how do you get the cleanest greenhouse? What kind of processes will you apply? And what kind of things should you consider when taking the crop out and starting a new cycle? While the end of the year is approaching, we're focusing on the start of the season.…


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