General Ustilago nuda f.sp. hordei affects barley and can destroy a large proportion of the crop. It is also known as barley smut, or loose smut of barley. Damage symptoms Infection by Ustilago nuda f
cuttings Grow less susceptible cultivars Prevent damage to the roots by controlling the nematodes, as damaged spots can be used as points of entry Prevent
General Fusarium is a group of soil-borne fungi with many different species. Fusarium is widespread and can infect a range of host crops. Many species are considered weak pathogens and can only infect
this crop to other crops. How to prevent Pierce's disease of grapevine Control vectors by using netting or applying insecticides Remove wild host plants
General Xanthomonas vesicatoria is a bacterium that causes bacterial leaf spot on peppers and tomatoes. Damage symptoms Xanthomonas vesicatoria in tomato causes small, water-soaked spots on leaves whi
General Pyrenochaeta lycopersici is a fungal plant pathogen, infecting tomatoes and aubergine. It causes brown root rot and corky root rot. Damage symptoms The first signs of this disease, are poorly
General Pyrenophora graminea is a disease of Barley that causes significant yield losses. Damage symptoms Symptoms first occur on the first, second and third leaf and subsequently on other leaves. Yel
General Erwinia carotovora subsp. carotovora has recently been renamed Pectobacterium carotovora . It is one of the pectolytic bacteria causing extensive bacterial rots (bacterial soft rot, bacterial
General Mycosphaerella cucumis (Didymella bryoniae) is a fungal plant pathogen that causes gummy stem blight. Damage symptoms Mycosphaerella cucumis in cucumber causes brown lesions on the foot and hi
General Phytophthora cactorum is a plant pathogen that causes root rot, rhizome rot of strawberry, apple rot, apple collar rot and crown rot. It has an extremely wide host range. Damage symptoms Phyto
