Fusarium head blight or scab

general, most Fusarium specieshave a similar life cycle. Fusarium overwinters for many years in the soil and on crop residues of infected plants as chlamydospores [...] takes place as infection of the roots at the root tip or in small wounds, for example where lateral roots branch off from the tap root. Gibberella zeae [...] Disinfect tools, machinery and irrigation water in greenhouses Prevent stress for the plants Ensure there is adequate soil drainage Apply nitrogen in the form

Phytophthora blight

temperatures between 15 and 23 °C and higher water content than is optimal for crop growth. Phytophthora overwinters in roots, infected tubers and bulbs [...] either by germinating sporangia or by zoospores produced in the sporangia. For germination on above-ground plant parts, leaf wetness is required. Dispersal [...] the 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

Bacterial canker of tomato

Solaneceaous crops can be planted for five years. On other fields on the same farm, no seed potatoes can be grown for one year after infection. Damage symptoms [...] seedlings by touching the plants in greenhouse crops and by water in field crops, for example through splashes of rain or irrigation. Both in greenhouses and in

Damping-off

plants that are in a sub-optimal condition or suffer from stress, caused for example by too much water, too high or low temperatures or sudden fluctuations [...] older plants, the leaves lose their turgor or the leaf tips turn yellow, for example in flower bulbs. At first, the plants recover during the night, but [...] distance to the main substrate at the start by using higher substrate blocks for the seedlings. In field crops: Avoid the use of fields with inadequate drainage

Bacterial soft rot, bacterial stem rot

carotovora or Pectobacterium carovora infects plants through fresh wounds, for example pruning wounds. It cannot infect healthy green leaves, but can grow [...] petiole to the main stem through the xylem vessels. High humidity is required for disease development. Erwinia carotovora subsp. carotovora or Pectobacterium

Bacterial spot

shed the leaves that are severely infected. Humid conditions are conducive for lesion expansion. On the stems, long, narrow cankers appear, which become [...] become raised and look like cracked scab. Solution Finder Find solutions for your crop Damage symptoms How to prevent Bacterial spot Use clean propagation

Pea blight, leaf and pod spot

develop most rapidly at temperatures below 20 °C and the spores require water for dispersal. Damage symptoms Ascochyta pisi causes spots on leaves, stems and [...] peas. Infected seeds may have brown areas. Solution Finder Find solutions for your crop Damage symptoms How to prevent Pea blight, leaf and pod spot Grow

Early blight

infection of the leaves. Survival can be several years, up to eight years for several Alternaria spp. Typically, Alternaria causes early blight of potato [...] Alternaria solani can spread to the flowers (especially dangerous in crops for seed production) and to the crown. Sporulation of Alternaria occurs at te

Wheat bunt

Soil moisture between field capacity and permanent wilting point is best for infection. How to prevent Wheat bunt Use resistant cultivars. However, the [...] Triticum controversa mostly attacks the 2-3 leaf stage, this is less effective for this fungus Prevent plant diseases by optimizing plant potential and crop

Black root rot of cucurbits

Phomopsis sclerotioides forms sclerotia which can survive adverse conditions for years in the soil, but little else is known about the life cycle. The fungus [...] air and soil particles. How to prevent Black root rot of cucurbits Test for the presence of Phomopsis sclerotioides with molecular tools before planting