This fungal dieback disease seems to have increased in significance on garden conifers in recent years. Weakened plants, or those suffering from physical damage, are […]
Chuyên mục: AGRICULTURE
AGRICULTURE
Club root
Club root is a fungal infection of the roots of brassicas, such as Brussels sprouts, cabbage, cauliflower, turnip and swede, leading to swollen and distorted […]
Clematis: green petal
Green petal is the name given to the problem when Clematis flowers open to reveal green discolouration. This is most often seen on the first flush of […]
Clematis wilt
Clematis wilt is a fungal disease of clematis, particularly the large-flowered hybrid cultivars. The fungus causes rapid wilting and, in severe cases, can kill the […]
Trees and shrubs: scab diseases
Scab diseases of trees and shrubs can disfigure the plant by producing unsightly dark spots on the leaves. Blossoms and fruit can also be attacked […]
Dutch elm disease
Dutch elm disease is a devastating fungal disease that is spread by elm bark beetles and causes rapid browning, shrivelling and death of Ulmus spp. (elms) and […]
Sclerotinia disease
Sclerotinia disease is a fungal infection of many vegetables and ornamental plants. The fungus survives for long periods in the soil. When infected, plants rot […]
Camellia leaf blight
Two fungal pathogens of camellias cause brown leaf blotches, premature leaf loss and twig or branch dieback. They are most damaging on young plants or newly propagated material. […]
CAMELLIA GALL
Camellia gall is a fungal disease causing large cream-coloured swellings (galls) on camellias. The galls may look alarming, but cause little or no long-term damage […]
Camellia flower blight
Camellia flower blight is a fungal disease of camellias, attacking the flowers and causing them to rot. What is camellia flower blight? Camellia flower blight […]