Bacterial soft rot, bacterial stem rot

of wounds Disinfest recirculating irrigation water Prevent plant diseases by optimizing plant potential and crop resilience. [...] causes bacterial stem rot as well as soft rot. Stem rot is first noticed when plants wilt at the time of first harvest or after that. The pith disintegrates [...] epidemic population densities. It can survive as epiphytic bacteria on various plants or in the soil in low densities. It has also been found in the gut of insects

Apple collar rot

above-ground plant parts, leaf wetness is required. Dispersal by wind and rain causes the pathogen to be returned to the soil from infected plants. Dispersal [...] circulation Disinfect recirculating nutrient solutions Prevent plant diseases by optimizing plant potential and crop resilience. [...] 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

Bacterial spot

spot Xanthomonas vesicatoria survives on volunteer tomato plants in the field and on diseased plant debris. The bacteria are also seed-transmitted. Disease [...] cultivars of pepper are available and should be used Prevent plant diseases by optimizing plant potential and crop resilience. [...] lesions with a light brown centre. As with powdery mildew infection, pepper plants shed the leaves that are severely infected. Humid conditions are conducive

Gummy stem blight

Remove all pots and plant parts from previous crop that may serve as inoculum source for the new crop prevent condensation on all plant parts at all times [...] high-wire crops) Pick and remove dead and diseased leaves Prevent plant diseases by optimizing plant potential and crop resilience. [...] General Mycosphaerella cucumis (Didymella bryoniae) is a fungal plant pathogen that causes gummy stem blight. Damage symptoms Mycosphaerella cucumis in

Powdery mildew

penetrates the plant cell and takes up nutrients from the epidermal layer of plant cells. Most of the fungus remains on the outside of the plant surface. On [...] provide excess nitrogen since this promotes the disease Prevent plant diseases by optimizing plant potential and crop resilience. [...] Leveillula. Damage symptoms Powdery mildew symptoms are fairly similar in all plant-pathogen combinations. The symptoms are white fluffy colonies, first and

Apple scab

available. They infect the plant by direct penetration of the cuticula and then grow between the cuticula and the epidermis of the plant cells. This causes lesions [...] since they help in decomposing the infected leaves Prevent plant diseases by optimizing plant potential and crop resilience. [...] and may merge. Infected fruits and leaves may fall off prematurely. The plants’ defence mechanism is to produce corky rings around the lesions to prevent

Southern blight

main root. As a consequence, leaves higher up in the plant start yellowing. Severely affected plants present girdling of the stem, which causes wilting of [...] The fungus may reduce the stand of the plants. Damping-off may occur during germination or establishment of the plant (seedling phase), due to the occurrence [...] disease caused by the fungus Athelia (Sclerotium) rolfsii . It is an important plant pathogen that inhabits the soil, and is responsible for root and stem rot

Black root rot of cucurbits

annually Disinfect nutrient solution and irrigation water Prevent plant diseases by optimizing plant potential and crop resilience. [...] sclerotioides) Black root rot of cucurbits General Phomopsis sclerotioides is a plant pathogen infecting cucurbits, causing black root rot of cucurbits. Life cycle [...] with an intense green colour. Severe infection in this stage may kill the plants. In case of a less severe infection, the vines may wilt at a late stage

Fusarium head blight or scab

wound healing after harvest, depending on the crop Prevent plant diseases by optimizing plant potential and crop resilience. [...] are considered weak pathogens and can only infect wounded or stressed host plants. Damage symptoms Fusarium fungi cause vascular wilt, root rot, foot and [...] overwinters for many years in the soil and on crop residues of infected plants as chlamydospores (thick walled mycelium cells) or mycelium. Survival is

Wheat bunt

Tilletia laevis are hard to distinguish from infected plants before head emergence, although affected plants may be slightly stunted. Infected (bunted) heads [...] before emergence and the fungi grow inside the plants to the growing tip. The fungi grow between the plant cells and eventually inside the kernels. When [...] leaf stage, this is less effective for this fungus Prevent plant diseases by optimizing plant potential and crop resilience.