Featured Articles

Root rots of floricultural and woody ornamental crops are one of the most important causes of crop loss.

The box tree moth (Cydalima perspectalis) is an invasive insect native to East Asia that causes significant damage to boxwood (Buxus spp.) plants by defoliating them, ultimately leading to weakened and potentially dying shrubs.

It is almost time to use traps to protect your trees from spotted lanternflies. Get ready now so you can trap lots of spotted lanternflies safely.

Tobacco mosaic virus (TMV) is named for one of the first plants in which it was found in the 1800s. However, it can infect well over 350 different species of plants.

Certain diseases of trees weaken their structure and create a hazardous situation where serious damage could result from falling limbs or the toppling of the entire tree.

Botrytis is a pathogenic fungus found virtually everywhere plants are grown.

The brown marmorated stink bug (BMSB) was first collected in September of 1998 in Allentown, but probably arrived several years earlier.

Properly selecting houseplants for purchase at a garden center or other retailer is essential if you want to take home a good, healthy plant and avoid potential problems.

Walnuts and hickories produce the chemical juglone (5 hydroxy-1,4- napthoquinone), which is exuded from all parts of the plant.

Tree-of-heaven (Ailanthus altissima) is an invasive tree and noxious weed in PA. This article displays images to assist with identification and provides recommendations for control, including a management calendar and treatment and timing table.

IPM (integrated pest management) primarily consists of methods used to prevent plant problems from occurring in the first place.

Weeds are plants whose undesirable qualities outweigh their good points.

When managing weeds in organic systems, producers use many of the same techniques used in conventional systems, but they rely much more on nonchemical control strategies.

While it is desirable for the chemicals to control weeds during the season of application, it is not desirable for them to persist and affect subsequent crop growth.