Because powdery mildew does not significantly affect the health of most plants, treatment is seldom necessary or practical in the home garden. Many gardeners learn to live with the appearance of ...

With the cool, wet weather comes the bane of gardeners — plant diseases. Diseases are generally bad news, whether it’s black spot on your roses, rust on your rhododendrons, downy mildew on your ...

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 ...

A new study reveals an evolutionary trade-off that young plants face to develop disease resistance. From toddlers in daycare to seedlings in forests, young organisms tend to get sick more easily than ...

Laboratory could improve crop resilience In a discovery three decades in the making, scientists have acquired detailed knowledge about the internal structures and mode of regulation for a specialized ...

Engineers at the University of California San Diego have developed a spray-on polymer coating that could help plants resist ...

*Refers to the latest 2 years of stltoday.com stories. Cancel anytime. Some gardeners believe the only way to control plant disease is through the use of fungicide sprays. However, fungicides are only ...

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 ...