• Bacterial spot

  January 1, 1970

  General Xanthomonas vesicatoria is a bacterium that causes bacterial leaf spot on peppers and tomatoes. Damage symptoms Xanthomonas vesicatoria in tomato [...] grow into brown spots that look like scab. These spots may be surrounded by a halo. In pepper, the spots on the leaves are also round and small to start [...] (underside of) leaf surfaces and may enlarge into dark brown lesions with a light brown centre. As with powdery mildew infection, pepper plants shed the

• Brown root rot, corky root rot

  January 1, 1970

  equipment and cultivation practices. However, this fungus is a poor competitor against a balanced microbial population in soil. How to prevent Brown root [...] General Pyrenochaeta lycopersici is a fungal plant pathogen, infecting tomatoes and aubergine. It causes brown root rot and corky root rot. Damage symptoms

• Fusarium wilt

  January 1, 1970

  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 [...] has many different formae speciales which are each selectively pathogenic on a limited number of crops. Even within one crop, different formae speciales may

• Fusarium head blight or scab

  January 1, 1970

  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 [...] spores. Some also produce ascospores. In general, most Fusarium specieshave a similar life cycle. Fusarium overwinters for many years in the soil and on

• Gummy stem blight

  January 1, 1970

  General Mycosphaerella cucumis (Didymella bryoniae) is a fungal plant pathogen that causes gummy stem blight. Damage symptoms Mycosphaerella cucumis in [...] Before cropping: Remove all crop debris and disinfect the greenhouse Choose a cultivar that is less susceptible to internal fruit rot Use clean propagation

• Blight of pepper

  January 1, 1970

  the plant surface and new sporangiophores (structures containing sporangia, a type of spores) with sporangia are formed that protrude through the stomata [...] Prevent over-irrigating and be careful with overhead irrigation since both a high water content of the soil and water splash promote disease. Ensure fast

• Apple scab

  January 1, 1970

  fallen off the trees. In response to the infection, the plants produce cork as a defence against further growth of the fungus. In cultivars that are more resistant [...] influence of climatic conditions on release of ascospores and risk of infection, a decision support systems has been build. This system warns growers about conducive

• Root and crown rot of strawberry

  January 1, 1970

  insects or plant handling Take hygienic measures: Remove any infected plants in a plastic bag Clean trays, tools, gutters etc. between subsequent crops Disinfect

• Leaf stripe

  January 1, 1970

  General Pyrenophora graminea is a disease of Barley that causes significant yield losses. Damage symptoms Symptoms first occur on the first, second and

• Bacterial soft rot, bacterial stem rot

  January 1, 1970

  infected by other pathogens. The bacteria that causes black leg in potato is a different subspecies. How to prevent Bacterial soft rot, bacterial stem rot