Above: Hosta with symptoms of leaf spots and necrosis. Do your landscape plants have cankers, mosaics, galls, mummies, or witches’ brooms? These and other symptoms are often hard for the average ...

Plant diseases occur in most gardens. Many happen on a yearly basis, others sporadically. Why disease occurs often is dependent on weather. In fact, there are three conditions that must exist for a ...

Let’s talk about two of the main classifications of plant diseases — biotic and abiotic — and the differences between them. The term “abiotic” means “without life.” Examples include damage from the ...

Researchers from the Hebrew University of Jerusalem have developed an innovative method for the early detection of Fusarium wilt in tomato plants by monitoring subtle changes in the plants' water use.

Nutrient deficiencies can also lead to leaf drop. Plants require a balanced diet of essential nutrients, and lack of key ...