What's the Difference Between Tree Burr Knots (Burl) and Crown Galls?

Late blight is a serious disease that may affect tomatoes and potatoes. It can rapidly destroy entire fields and ruin a farmer’s income for the year. And it may affect crops in home gardens severely as well.You may not realize it, but you are probably already familiar with the

Gummosis refers to the oozing of sap or gum from a tree. This behavior is very common on stone fruits, including apricots, peaches, and plums.You can look at gummosis as your tree’s cry for help in the face of any one of a number of problem

The squash bug is a pernicious insect, one of the most common and serious pests of cucurbit plants like squash and pumpkins, as well as cucumbers and melons, though typically to a lesser degree.Unfortunately, these bugs are widespread throughou

Peace lilies, Spathiphyllum spp. are easygoing houseplants that seldom suffer from disease issues when provided with the right care.In fact, they are so easy to grow that Dr. Leo

Bot rot, also known as white rot, is caused by the fungus Botryosphaeria dothidea. Infection can result in a complex of diseases – two types of fruit rot and cankers on the limbs and twigs.This pathogen infects not only apples and crabapples but also a number

While the name Phytophthora might not mean much to you, these organisms are a menace to agriculture and forests alike.The name is derived from Greek and tells you what you need to know about them:  p

You know those fruit flies that hover and get in your face when you have fruit that got too ripe? The ones that scientists use as model systems to advance medicine?They are highly annoying but don’t do much harm. The common fruit fl

Viburnum is a genus of over 150 species of deciduous and evergreen perennials that feature showy flowers and attractive foliage, many of which are native to North America.Most species are woody shrubs, though some have

Turnips are vulnerable to several pests, including cabbage aphids and root maggots, that plague other crucifers.In addition, other insects are more annoyances than serious pests.

Bacillus subtilis is a species of bacteria that can survive in the soil for long periods. Many strains are highly effective at colonizing plant roots and controlling plant pathogens.They can act directly against other microbes by producing a varie

Downy mildew is a serious disease that may afflict turnips, especially under cool fall conditions.The fungal-like pathogen can destroy young seedlings and cause seriou

While hellebores typically have a reputation for being trouble free, they can occasionally fall prey to disease.In our guide to growing hellebores