What causes club root in Brassica?
Clubroot of brassicas is caused by the soil microorganism Plasmodiophora brassicae. This microorganism is an obligate parasite that can only grow and reproduce in living roots. Plasmodiophora brassicae is capable of surviving in the soil for more than 10 years by producing thick-walled, resting spores.
How do you treat club roots?
Clubroot thrives in acidic soil, so raising the pH to at least 7.2 may be one of the most effective means of attaining clubroot control. Ohio State University Extension advises that calcitic lime is the best way to raise the pH, unless your soil is low in magnesium. In this case, dolomitic lime may be more effective.
What causes club root in plants?
Clubroot is caused by Plasmodiophora brassicae, a fungus-like organism that does not form a true mycelium (the vegetative part of a fungus) and reproduces by resting spores. If susceptible roots are nearby, the resting spores germinate and produce zoospores.
What is causative organism of clubroot disease?
clubroot, disease of plants of the mustard family (Brassicaceae) caused by the funguslike soil pathogen Plasmodiophora brassicae. Affected plants are stunted and yellowed; they wilt during hot sunny days and partially recover at night.
Can you get rid of club root?
Q Can plants with clubroot be cured? A Once your plants are attacked, there is no cure. However, you can earth up the plants in the hope that new roots will be formed further up the stem. These roots may then escape infection for long enough for the plants to produce a crop.
How is clubroot spread?
Methods of spread In Alberta, clubroot is being spread mainly through soil infested with resting spores. Infested soil can be carried from field to field by farm machinery, especially tillage equipment, and can also be moved by wind and water erosion.
How long does club root last?
Clubroot spores can persist in soil and water for up to 20 years even in the absence of host plants.
What is the scientific name of club root?
Plasmodiophora brassicae (club root)
Is club root a fungal disease?
Club root is a fungal infection of the roots of brassicas, such as Brussels sprouts, cabbage, cauliflower, turnip and swede, leading to swollen and distorted roots and stunted growth.
How does club root spread?
A Clubroot can get into gardens on contaminated seed, but this is unusual. The most common method of spread seems to be on infected transplants or tools contaminated from gardens with the disease. Don’t borrow tools or buy soil-raised transplants from unknown sources. Another source of infection is contaminated manure.