The following pest management resources have recently been updated.
2017-2018 New England Greenhouse Floriculture Guide
300+ pages of current recommendations for nonchemical and chemical management of greenhouse insects, mites, diseases, weeds and algae, plus recommendations for using plant growth regulators.
$40 includes postage and handling: To Order: www.negreenhouse.org
Some growers shut down their greenhouses for a few weeks during the winter expecting the cold temperatures to be sufficient to freeze and eradicate all of their pest populations. However, some pests can survive and continue on your spring crops, especially if infested debris is left in the greenhouse.
Winter storms and cold temperatures have been a challenge for greenhouse businesses in recent years. Storm damage to greenhouses have included racking of the frame, bending of the hoops, broken glass or torn plastic and uplifted foundation posts.
Here are some tips for handling poinsettias in retail settings.
At the recent Northeast Greenhouse Conference and Expo, the “Advanced Biocontrol Panel” with Suzanne Wainwright-Evans, Buglady Consulting; Ron Valentin, Bioline Agrosciences and Jeff Marstaller, Cozy Acres Greenhouses, there were many excellent questions.
What about using wild collected lady beetles (a. k. a., ladybirds or ladybugs) for aphid control?