Resources

Pressure canning is the only recommended method for canning low-acid vegetables.

Acidified tomatoes and fruits are considered high acid foods and are safe to preserve using a boiling water canner. Boiling water canners work by…

The striped cucumber beetle, Acalymma vittatum, is one of the most devastating pests of cucurbits (cucumbers, summer and winter squashes, all types…

The cabbage maggot, Delia radicum, is one of the most destructive early season pests of crucifers and certain root crops in New Hampshire. It can…

Cutworms are the larval form of dozens of different species of small brown or tan, banded moths. Depending on the species, cutworms damage plants in…

Though damage from the raspberry cane borer (Oberea perspicillata) is often seen, the insect itself is rarely recognized as a pest. It usually causes…

The strawberry weevil (Anthonomus signatus) is also known as the “strawberry clipper”. It is native to North America, occurring from Texas to New…

The Western flower thrips, Frankliniella occidentalis, is a devastating pest of ornamentals and the major vector for tomato spotted wilt virus. This…

Experts and state producers shared their knowlege and experience using automated calf feeders during a March 22, 2018 webinar hosted by UNH…

The European red mite (Panonychus ulmi) is a European native that was first discovered in the U.S. in 1911. Since then, this non-insect has become…

According to Dairy Robotic Milking Systems – What are the Economics?, over 35,000 robotic milking systems (RMS) units are operational on dairy farms…

Fire blight, caused by the bacterium Erwinia amylovora, is found to some extent almost every year in New Hampshire and other major apple and pear…

Aphids, or plant lice, feed on most vegetable crops, many house plants and ornamentals grown in New Hampshire, as well as numerous weeds and wild…

Apple scab is a fungus disease that occurs worldwide wherever apples are grown. It is most severe in areas where the weather is cool and moist in the…

The corn earworm, Heliothis zea, is considered one of the worst pests of sweet corn. It might go undetected until harvest time when it is discovered…

The European corn borer (Ostrinia nubilalis) was introduced into the U.S. in 1917. Broken tassels, collapsed stalks, feeding signs on leaves, and…

Fungus gnats comprise two entire families of flies, but in greenhouses, most commonly we see Mycetophilids, especially Bradysia coprophila and B.…

The house fly, Musca domestica, is a familiar insect pest. It is of economic importance because it can transmit disease-causing organisms, such as…

The seedcorn maggot, Delia platura, was probably introduced from Europe in the mid-1800’s and is now widely distributed in the U.S. and Canada. This…

This field guide features names and images for identifying common seaweeds on New Hampshire shores. Common Seaweeds Seasonality and intertidal…