• Pea blight, leaf and pod spot

  minimum crop rotation of four years with non-host crops Bury or remove crop debris Prevent plant diseases by optimizing plant potential and crop resilience [...] blight, leaf and pod spot Ascochyta pisi hardly survives in the soil or on crop residues because of its poor saprophytic competitiveness and because chl

• Loose smut of barley

  of seeds from infected fields for further cropping Prevent plant diseases by optimizing plant potential and crop resilience. [...] 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 [...] flowering and the infected seeds are the primary source of inoculum in the next crop. The fungus survives inside the seed and when the seed germinates, the mycelium

• Early blight

  prevent Early blight Remove crop residues, weeds and volunteer plants. Use clean seed and propagation materials. Practice crop rotation, in particular when [...] is the asexual stage. Conidia and mycelium overwinter in the soil and on crop residues and cause primary infection of the leaves. Survival can be several [...] leaves, Alternaria solani can spread to the flowers (especially dangerous in crops for seed production) and to the crown. Sporulation of Alternaria occurs at

• Black rot of carrots

  Black rot of carrots Remove crop residues, weeds and volunteer plants. Use clean seed and propagation materials. Practice crop rotation, in particular when [...] is the asexual stage. Conidia and mycelium overwinter in the soil and on crop residues and cause primary infection of the leaves. Survival can be several [...] type of carrot disease can spread to the flowers (especially dangerous in crops for seed production) and to the crown. Lesions of black rot of carrots (

• Blight of pepper

  that causes blight and fruit rot of peppers and other important commercial crops. Damage symptoms Phytophthora causes root rot, seedling damping off and rot [...] temperatures between 15 and 23 °C and higher water content than is optimal for crop growth. Phytophthora overwinters in roots, infected tubers and bulbs or in [...] water content of the soil or substrate is higher than normal or optimal for crop growth. How to prevent Blight of pepper Apply hygiene measures, like cleaning

• Loose smut of wheat

  of seeds from infected fields for further cropping Prevent plant diseases by optimizing plant potential and crop resilience. [...] flowering and the infected seeds are the primary source of inoculum in the next crop. The fungus survives inside the seed and when the seed germinates, the mycelium

• Black sigatoka disease

  puddles and ensuring optimal ventilation in the crop Prevent plant diseases by optimizing plant potential and crop resilience. [...] wind-dispersed over longer distances, the conidia are splash-dispersed within the crop. Both types of spores cause the exact same symptoms. They enter the leaf

• Phytophthora blight

  a period of mass starvation caused by this disease which ravaged potato crops throughout Europe during the 1840s. Life cycle and appearance of Phytophthora [...] temperatures between 15 and 23 °C and higher water content than is optimal for crop growth. Phytophthora overwinters in roots, infected tubers and bulbs or in [...] water content of the soil or substrate is higher than normal or optimal for crop growth. How to prevent Phytophthora blight Apply hygiene measures, like cleaning

• Powdery mildew

  mostly occur in these crops. In covered roses, the colonies appear first and foremost on the upper side of the leaves. In most crops, the white colonies [...] feed on living plant cells and barely survive in the absence of a living crop. They survive as ascospores or perithecia, structures containing ascospores [...] been found yet for all powdery mildew fungi and especially in greenhouse crops they don’t play a role in the epidemics. Fungal spores germinate on the leaf

• Cottony soft rot

  plants in a closed plastic bag Remove crop residues Prevent plant diseases by optimizing plant potential and crop resilience. [...] infects seeds and tubers, thereby creating a source of infection for the next crop. The dispersal to neighbouring plants is by mycelial growth. How to prevent