HORTICULTURAL beauty of the rose often depends as much on the foliage as upon the flowers. Powdery mildew caused by the fungus Spaerotheca pannosa is a very widespread trouble upon the leaves ...

Very gently shake your roses to remove as much rainwater as possible,' says Morris. 'Just be very careful as you do so, ...

Despite this longevity, roses can be susceptible to several different types of pests and diseases, such as aphids, Japanese beetles, powdery mildew, and black spot. This is why the budding rose ...

Powdery Mildew (PM) is a fungal leaf disease caused by Blumeria graminis , which can reduce grain yield and quality in cereal crops. B. graminis species can be subdivided into Formae specialis groups ...