Is Plasmodiophora brassicae a fungi?
Is Plasmodiophora brassicae a fungi?
Clubroot disease caused by fungus Plasmodiophora brassicae Wor. is regarded as one of the destructive diseases of Chinese cabbage production. P. brassicae is a soilborne fungal pathogen and survives in soils for a long time in the absence of hosts as resting spores (Naiki et al., 1978; Ricarova et al., 2016).
Is Plasmodiophora brassicae a protist?
Plasmodiophora brassicae causes clubroot, a major disease of Brassica oil and vegetable crops worldwide. P. brassicae is a Plasmodiophorid, obligate biotrophic protist in the eukaryotic kingdom of Rhizaria.
Which division does the Plasmodiophora belong?
Plasmodiophora | |
---|---|
Scientific classification | |
(unranked): | Rhizaria |
Phylum: | Cercozoa |
Class: | Phytomyxea |
Who discovered pathogen Plasmodiophora brassicae?
In the late 19th century, a severe epidemic of clubroot destroyed large proportions of the cabbage crop in St. Petersburg. The Russian scientist Mikhail Woronin eventually identified the cause of clubroot as a “plasmodiophorous organism” in 1875, and gave it the name Plasmodiophora brassicae.
What is pathogen Plasmodiophora brassicae?
Plasmodiophora brassicae is a root-infecting protist pathogen that causes clubroot disease in brassica species. The organism is soil-borne and has long-lived resting spores that can survive in soil for more than 15 years.
Is clubroot a fungus?
Clubroot of cabbage and related crucifers is caused by the soilborne fungus Plasmodiophora brassicae. This relatively simple fungus forms no mycelia (numerous threadlike branches) and is an obligate parasite, meaning that it can develop and multiply only in living host cells.
What is Phyllody disease?
Phyllody is the abnormal development of floral parts into leafy structures. It is generally caused by phytoplasma or virus infections, though it may also be because of environmental factors that result in an imbalance in plant hormones.
What is white rust of crucifers?
White rust, caused by Albugo candidans, is a disease of crucifers that causes yield loss through defoliation, root injury, and reduction of market quality. Spinach, horseradish, and mustard are affected more seriously than other crucifers.
What is clubroot disease?
Clubroot is a disease that affects plants in the cabbage family. Plants infected by clubroot are stunted, wilt easily and may have yellowing leaves. Roots of clubroot infected plants are swollen into thick, irregular club shapes. Distribution of clubroot in Minnesota is unknown.
What is clubroot of crucifers?
Clubroot is a fungal disease that affects a number of plants in the cabbage family including cabbages, radish, mustard and ornamentals such as candytuft. It is caused by the fungus Plasmodiophora brassicae and gets its name from the club-like roots it induces in infected plants.
What is Phyllody in plant?
Phyllody is a condition where parts of a flower, or the entire flower, is replaced with leafy structures.