Pesticide Safety Education

Sod webworms are the caterpillar stage of small moths, from the genera Crambus and Herpetogramma. Adult moths are about 1" long, tan-colored, and...

Several species of spider mites invade field, garden, greenhouse, nursery, and ornamental plants. The most troublesome of these spider mites is the tw...

White grubs are the larval or grub stage of several species of beetles and chafers. The two most troublesome species in New Hampshire are the European...

The white pine weevil (Pissodes strobi) is one of the most destructive insect pests of eastern white pines in North America. Norway spruce, jack pine,...

In this video, John Grande introduces the applicator to a number of measuring devices (syringes, pipets, tubing, and scales) that will make measuring ...

In this video, John Grandy demonstrates a gasoline powered sprayer. Do they enhance sprayer performance?

Watch Video

In this video, John Grandy discusses the importance of nozzle design and choosing the right nozzle for the job. Most backpack sprayers come with a sin...

In this video, John Grande discusses the importance of calibrating a backpack sprayer. He covers the most critical variables that will affect the accu...

In this video, John Grandy demonstrates and compares two different styles of backpack sprayers, a large internally mounted piston pump vs a small exte...

In this video, John Grandy discusses how to convert a standard backpack sprayer into a custom sprayer to meet your specific needs.<br /> <br /> Watc...