How to Prevent and Control Powdery Mildew on Apples

Vespula pennsylvanica / maculiforna / germanica / vulgaris / squamosa and DolichovespulaThe dog days of summer…fresh water melon, ice cream, p

If you live in the Mid-Atlantic, you have almost surely heard of the dreaded spotted lanternfly (SLF), known scientifically as Lycorma delicatula.This invasive planthopper originated from China, where it was

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

Rusts are fungi that will not kill their hosts, although they sure make them suffer. There is even a term for pathogens that require living hosts: biotrophs (in contrast to necrotrophs, pathogens that kill their host and live off the dead tissue).Think Gloria Gaynor – your plants will survive! However, repeated infections of this pat

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

Walnuts have entranced societies for thousands of years with their beauty and shade – not to mention their delectable and extremely healthy nuts and valuable wood.However, there is a dark side to growing walnuts, and it comes

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

If your tomato plants have enormous flower buds and little or no fruit develops, you should examine them more closely to see if they have the aptly named tomato big bud disease.While this disease can be a severe problem in subtrop

Cabbage maggots are small insects that can have a huge impact on cole crops, such as cabbage, broccoli, turnips, rutabaga, radishes, cauliflower, and brussels sprouts.The larvae live in the soil, feed on the fibrous roots

If you’re growing pumpkins in your garden, you may have seen white spots appearing on the leaves and vines.What’s up with that? It’s likely that your plants are i