This post was jointly written by Dr. Chevonne Dayboll and Dr. Sarah Jandricic
It’s time to think about spring again! This post gathers some of the most important things to plan and prep for in the greenhouse before your spring production begins in earnest.
1. Make sure your inputs are ordered
We can’t emphasize this one enough. COVID-19 and container boat issues are still causing shipping delays that are affecting many industries including greenhouses. Make sure you order potting mixes, plastic trays and pots, fertilizers, and production inputs well ahead of when you will need them. If you are planning on doing greenhouse upgrades in between seasons make sure you confirm delivery and installation timelines with your contractors. Many of them are facing delays too!
2. Now is the time for preventative maintenance
Now is a great time to schedule preventive maintenance for your boiler, irrigation and shading systems. Make sure that all motors and alarms are working before you need to rely on them. No one wants to find out that their temperature alarm failed on a cold February morning! Ensure you are getting the pressure you expect all along your irrigation system. If you rely on propane heaters for early spring production make sure they are venting properly. Damage from improper venting can present as stunted growth or leaf burn.
Take some time to inspect the greenhouse for wear-and-tear. Repair cracked poly and broken glass to keep heat from escaping. Make sure old torn energy curtains are replaced. A heat sensitive camera can help to identify areas of energy loss and help you plan for energy efficient upgrades in the future.
With the holiday season almost upon us, it’s time to turn our attention to Spring bedding crops. Although here for a brief window, the diversity of these crops means you’re bound to encounter some sort of disease and insect problems.
One way you can head off issues is to plan and prepare now. This post from January 2020 has important tips on sanitation for common spring crop diseases, dipsandearly sprays to prevent key pests, as well as tips on where to spend your biocontrol dollars.
A new pesticide is available for greenhouse ornamental production in Canada that has shown potential for effective suppression of difficult-to-control thrips and whitefly species.
But to keep this new tool effective, growers will have to use this chemical wisely. Keep reading for efficacy data on ornamental crops and best management practices for incorporating this chemical into your IPM toolbox.
With the holiday season over, it’s time to turn our attention to Spring bedding crops. Although here for a brief window, the diversity of these crops means you’re bound to encounter some sort of disease and insect problems.
One way you can head off issues is to plan and prepare now. This post has important tips on sanitation for common spring crop diseases, dipsandearly sprays to prevent key pests, as well as tips on where to spend your biocontrol dollars.
It’s that time of year again where two of our biggest crops cross over: fall pot mums and poinsettia. This means growers have to simultaneously keep an eye on the two biggest pests in the industry: thrips (usually western flower thrips) and Bemisia whitefly.
Here’s how things are shaping up with these pests and where they might be going.
Thrips tabaci, or Onion thrips. Photo courtesy of Thrips-ID.com.
If you were at the Canadian Greenhouse Conference (or are regularly reading this blog!) you’d know we’ve recently identified Onion thrips as a pest of floriculture crops in Ontario (see this post).
Outside of Ontario? Well, this still may apply to you, as a recent study in France also indicated that up to 47% of pest thrips in floriculture greenhouses were Onion thrips. So, this issue could be wide-spread.
My last post covered the extent of the problem in Ontario’s industry. This post will help you identify if YOU are dealing with Onion thrips (OT) along with Western flower thrips (WFT), and what to do about it.