Bulletin E2696
Insect Controls for the Greenhouse Industry
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November 11, 2015 - Terry Davis
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EmailThe Michigan Department of Agriculture (MDA) requires that chemicals used in the greenhouse must have Worker Protection Standards and list "greenhouse" or "glasshouse" on the label in a location other than the "Agricultural Use Requirements" box.
The MDA has also ruled that if the site, host plant and chemical are listed on the label, insects not on the label may be treated. Any other use inconsistent with the label can lead to injury of crops, humans, animals and the environment, and can lead to fines and/or condemnation of the crop.
"Vegetables" include any plants being used as food or that will be transplanted as food crops later.
Always check the label for updated information. Labels change often. Some chemicals listed in this bulletin may be dropped by the manufacturer or distributor sometime after publication. If you have questions about the legality and/or the registration status of pesticides, contact your county Extension office, pesticide dealer or manufacturer.
Do not apply chemicals to plants that are stressed (by high temperature, high humidity or water stress) because this increases the possibility of phytotoxicity. Always treat a small portion of plants of each variety with any new chemical (or combination of chemicals) and check them for damage 7 days later before treating the whole crop. Chemicals that may not cause phytotoxicity when applied by themselves may cause damage when mixed together.
