higher temperatures in the soil or irrigation water. Pythium aphanidermatum mostly occurs in young plants and damage is more extensive in young crops.…
blight General The only known stage in all Alternaria species is the asexual stage. Conidia and mycelium overwinter in the soil and on crop residues…
quarantine organism in Europe and considered a bioterrorist organism in the United States. It is a commonly found soil-inhabitant in tropical and…
fungus in many environments. It survives in plant parts like bulbs and crop residues or as sclerotia (drought- and cold-resistant structures) in the…
sporulation is relatively low, in general between 10 and 20 °C. Late in the season new overwintering oospores are produced and buried in the soil with…
survive as epiphytic bacteria on various plants or in the soil in low densities. It has also been found in the gut of insects, possibly spreading from…
effectively with hot water) Use clean substrate in greenhouse crops Disinfect tools, machinery and irrigation water in greenhouses Prevent stress for…
Sclerotinia sclerotiorum ) overwinters as sclerotia and mycelium in dead and living plant material in or on the ground. Sclerotia germinate at…
parallel to the veins. Within a few days, the spots become a few centimetres in size and turn brown with light grey centres. These spots enlarge…
plants. In the end, everything more or less turned out fine – the plants in 12 cm pots were sold in 14 cm pots in the summer, and the plants in 14 cm…
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