Effective Ways to Get Rid of Club Root

Club root is a soil-borne disease caused by the microscopic pathogen ‘Plasmodiophora brassicae’. Cruciferous crops are the main target of club root. Ignoring clubroot is not an option. If left untreated, it can lead to catastrophic crop losses. If you’re dealing with problems caused by club root keep reading this article that provides strategies, for treating club root disease and saving your plants.

What are Club Roots?

Close-up view of a plant affected by club root.

Club root particularly affects those in the Brassicaceae family as it is a soil-borne disease. Visually, club root manifests as swollen, distorted roots that resemble clubs, making it easier to identify.

Cabbage, cauliflower, broccoli and radishes are, among the crops commonly impacted by this disease. Plasmodiophora brassicae is the common cause of club root that spreads through soil, water and infected plant material. It’s crucial to note that club root disease treatment is most effective when diagnosed early.

If you want to mitigate the disease’s impact then the early diagnosis will allow timely intervention and allows for soil fumigation and crop rotation. Therefore, it is important to understand the early signs and taking immediate action, as club root severely affect crop yield and quality. Hence, early detected and appropriate club root disease treatment becomes essential.

Management and Treatment

Close-up view of a plant's roots affected by club root disease, showing characteristic swelling and distortion

Physical Treatment Methods

Altering the soil’s pH level is one of the first steps in treating clubroot. You can create an environment that is less conducive for the clubroot pathogen to survive by making the soil less acidic and curing it from root fungicide. However, still it is important to accurately diagnose the disease before embarking any treatment plan.

Chemical Treatment Methods

Chemical fungicides are available for treating clubroot, but they come with their own set of challenges. These substances can be quite harsh. Have the potential to disturb the balance of microorganisms, in the soil. As a result it is advisable to use them when all other options have been exhausted. It is of importance to adhere to the instructions provided by the manufacturer while utilizing chemical fungicides in order to prevent any harm or negative consequences.

Biological Treatment Methods

Plant roots being treated with Trianum-v solution to combat club root disease.

Trianum-V is a biological treatment product that contains the beneficial fungus Trichoderma harzianum strain T-22. When Trianum V is applied to the soil it forms a shield, around the roots of plants. This shield acts as a barrier preventing the clubroot pathogen from infecting the roots and causing diseases. Additionally, Trianum V aids, in promoting plant growth and enhancing their natural defense mechanisms.

Introduction to Trichoderma harzianum product

Another effective biological treatment option is Trichoderma harzianum. This naturally occurring fungus acts as a biocontrol agent against clubroot. Trichoderma harzianum, when added to the soil, colonizes the root zone and challenges clubroot pathogens for resources, depleting their numbers and halting the spread of illness.

The advantages of Biological Treatment when compared with physical and chemical treatment for treating club root fungicide

Biological treatment methods offer several advantages over physical and chemical treatments:

  • Environmental friendly: The use of natural organisms rather than dangerous chemicals in biological therapies makes them safer for the environment, flora, and fauna.
  • Sustained effectiveness: Beneficial microorganisms establish long-term relationships with plants, providing ongoing protection against clubroot pathogens.
  • Soil health improvement: Biological treatments contribute to the overall health of the soil by promoting beneficial microbial activity and improving soil structure.
  • Resistance management: Using treatments is an approach, to control clubroot pathogens, which helps decrease the need, for chemical treatments.

Incorporating biological treatment methods into your clubroot management strategy can enhance disease control and promote sustainable and environmentally friendly farming practices.

Club root disease treatments

Soil Management Practices for Club Root Diseases

One of the most efficient clubroot and root fungicide prevention strategies is crop rotation. With fewer clubroot pathogens in the soil, there is a lower chance of further infections thanks to this practice’s disruption of the pathogen’s life cycle. It’s also advisable to avoid planting susceptible crops in areas where clubroot has been previously diagnosed. Though this seems a common step, but it is generally overlooked.

Sanitation Measures

If you want to prevent the spread of clubroot, proper sanitation can help you. This practice would include disinfecting farming tools between uses, especially when moving the plant from one plot to another. Hence, we recommend using quaternary ammonium compound for this purpose, as they as highly effective and safe for use.

Introduction of Resistant Varieties

Another effective preventive measure is to plant clubroot-resistant varieties of crops. These varieties have been bred to resist the disease, making them an excellent choice for areas where clubroot is prevalent. However it is important to obtain the seeds from a supplier in order to ensure their authenticity and effectiveness.


To put it simply Novobac provides a variety of solutions to effectively tackle root fungicide in plants. For the club root disease treatment, we offer wide range of products that include treatments that modify the soil conditions with chemical treatments for severe cases. Our main goal is to offer effective solutions, for the industry today.


1. Li, Junhui, et al. “Trichoderma harzianum inoculation reduces the incidence of clubroot disease in Chinese cabbage by regulating the rhizosphere microbial community.” Microorganisms 8.9 (2020): 1325.

2. Yu, Xue-Xin, et al. “Biocontrol effect of Trichoderma harzianum T4 on brassica clubroot and analysis of rhizosphere microbial communities based on T-RFLP.” Biocontrol Science and Technology 25.12 (2015): 1493-1505.

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