May IPM Refresher: Effectively Controlling Thrips in Mums

ChrysInProp3

IPM in potted mums can be challenging at times, but Ontario has lots of strategies for  thrips control in this crop.

New to a thrips biological control program for  chrysanthemums, or just need a refresher on the most effective strategies currently being used in the industry?  Then watching the Greenhouse Canada Webinar, “Tips for Thrips Control: From Propagation to Pocketbook” is a good place to start.

Keep reading for the webinar link and some chrsysanthemum IPM tips for 2018.

Continue reading “May IPM Refresher: Effectively Controlling Thrips in Mums”

Advertisements

Controlling Echinothrips in Ornamentals without Pesticides: News from the Netherlands.

Echinothrips-menu.jpg (480×480)

How are YOU controlling your Echinothrips? (Photo by Entocare NL).

Echinothrips americanus is an interesting pest in Ontario.  An occasional pest of little concern for some, its presence often plagues others (i.e. cut flower growers). The greenhouse research team at Wageningen University & Research has been working to find reliable, effective biocontrol  strategies for this Echinothrips.

Read on for their latest update on what’s working, and how this applies to Canadian growers.

Continue reading “Controlling Echinothrips in Ornamentals without Pesticides: News from the Netherlands.”

2017 Update: 4 Ways You May Be Killing Your Predatory Mites, and How to Check!

PowerPoint PresentationNote: This is a re-post but contains important information on use of DDVP (dichlorvos) with mite sachets. (See point 4!)

In 2017, I had an interaction with a grower where their long-standing biocontrol program for thrips suddenly seemed to be failing. After a (too long) investigation by  myself, the grower, and consultants, we found out the horrible truth: their predatory mites were being MURDERED (Duh dun DUHNNN!)… By improper storage.

This post focuses on all the ways YOU might also be guilty of mite murder, and how to make sure your mites are still alive and kicking in those little sachets.

(And yes, I’ve stooped to the level of click-bait titles).

Continue reading “2017 Update: 4 Ways You May Be Killing Your Predatory Mites, and How to Check!”

Spring crops that are “magnets”for certain pests.

aphid_cali_UMAssYou know the old rhyme: “April showers bring May flowers, but what do May flowers bring? Aphids“. Or sometimes it seems that way, anyways, with Spring bedding crops.

To help guide your pest management program this year, our  friends (superiors?) over at Michigan State Extension have released a handy  list of which crops are likely to attract which pests.  Keep reading for more info.

Continue reading “Spring crops that are “magnets”for certain pests.”

Managing Million Bells, 2017 Updates

Image result for calibrachoa plugs

Rooted Calibrachoa plugs. Photo from jparkers.co.uk

It’s that time of year again, when unrooted cuttings or rooted plug trays of Million Bells (Calibrachoa) are first arriving in the greenhouse.  

When they go right, Calibrachoa are a relatively easy, staple spring crop.  However, when million bells go bad, they go bad BIG time.

To help your crop turn out this year, Chevonne and I have compiled some info on how to prevent and deal with common issues in Callies.

Continue reading “Managing Million Bells, 2017 Updates”

4 Ways You’re Accidentally Killing Your Predatory Mites!

PowerPoint PresentationNote: This is a re-post because it now comes with an awesome new video of how to monitor you mite sachets!

Recently, I had an interaction with a grower where their long-standing biocontrol program for thrips suddenly seemed to be failing. After a (too long) investigation by  myself, the grower, and consultants, we found out the horrible truth: their predatory mite were being MURDERED (Duh dun DUHNNN!)… By improper storage.

This post focuses on whether YOU might also be guilty of mite murder.

(And yes, I’ve stooped to the level of click-bait titles).

Continue reading “4 Ways You’re Accidentally Killing Your Predatory Mites!”