A Complete Guide to Managing Verticillium Wilt in Strawberries

Verticillium wilt in strawberries is a deadly fungal disease affecting various plants, including strawberries, causing significant damage. The soil-borne fungi Verticillium albo-atrum and Verticillium dahliae cause this illness, severely impacting strawberry harvests. This disease can lead to considerable output reductions in strawberry crops due to its destructive nature.

In this article, we’ll explore various methods for verticillium wilt cure.

A strawberry with symptoms of Verticillium wilt, showing dark, discolored spots, next to a healthy green strawberry.

The Symptoms of verticillium wilt in strawberries

What causes verticillium wilt? Fungi that cause verticillium wilt are found in the soil, where they frequently remain latent for a significant amount of time as structures known as microsclerotia. Under favourable conditions, these microsclerotia initiate the process of germinating, which results in the production of fungal threads that infect plant roots and ultimately lead to the obstruction of water-conducting tissues. Because of this disruption, the plants begin to wilt, exhibiting symptoms of verticillium wilt such as the following:

  • Wilting and Drooping: The leaves start to droop and wilt, giving the impression that they have not been watered much because of their appearance.
  • Discoloration: the margins of the leaves become dark or reddish-yellow, and the growth of new leaves fails to progress.
  • It is possible for runners, crowns, and roots to develop blotches that are dark in colour and resemble bruises.

Immediate Measures to Take for verticillium wilt in strawberries

A bag of Trianum Shield placed in front of strawberry plants affected by Verticillium wilt, with a text overlay about prevention.

If you want to have a quick response to Verticillium wilt in strawberries, you should think about applying biological verticillium wilt fungicides such as Trianum Shield Trichoderma Bio-Fungicide and Trichoderma Harzianum. Some of these products make use of beneficial fungus in order to battle pathogenic fungi.

How to prevent verticillium wilt in strawberries?

Managing verticillium wilt requires a number of integrated techniques, including the following:

  • Rotation of crops and management of open fields:
Avoid planting strawberries in fields previously used for tomatoes, potatoes, and eggplants to prevent Verticillium wilt spread. Reduce soil pathogen levels by implementing a crop rotation strategy with non-susceptible crops for at least five years. Use light, well-drained soil to reduce favorable conditions for Verticillium fungi and avoid planting in low, moist areas. Incorporate organic matter to improve soil structure and health, encouraging beneficial microbial activities that control diseases.
  • Versions that are resistant:

Plant strawberry cultivars that are resistant to adverse conditions, such as ‘Allstar,’ ‘Earliglow,’ and ‘Tristar’. You can lessen the impact that Verticillium wilt has on your crop by using these types, which have been bred to be resistant to the disease.

How to Control verticillium wilt biological controls

A healthy red strawberry next to an unripe green strawberry, with no visible signs of Verticillium wilt, surrounded by green leaves.

For organic control of verticillium wilt, such as Trianum Shield The helpful fungus known as Trichoderma harzianum is found in Trichoderma Bio-Fungicide. It mycorrhizes with plants at the root level, thus excluding pathogenic fungi and competing for nutrients with them. Through utilization of this product, the roots may be healthier and one may be shielded from diseases as well. 

Trichoderma Harzianum forms a bio shield around roots, enhancing plant growth and disease resistance through its protective mechanisms.

Remove and destroy affected plants immediately to prevent the fungus from spreading further and causing more damage. Clean and disinfect instruments used in infected areas to prevent the spread of infection to healthy plants. Use chemicals like chloropicrin and methyl bromide for soil fumigation to reduce soilborne pathogens in commercial settings. This soil fumigation method is unsuitable for home gardeners due to high costs and complexity involved in the process.

Final Thoughts

A strawberry affected by Verticillium wilt, showing dark, discolored areas at the bottom, surrounded by healthy green leaves.

Verticillium wilt is a disease that poses a substantial challenge for strawberry farmers; however, the disease’s impact can be significantly mitigated through thoughtful management, the utilisation of resistant types, and the application of biological verticillium wilt fungicides. This paper focuses on the activities that are carried out in order to maintain the health of the strawberry fields and in order to produce several yields these activities include crop rotations, monitoring and proper planting of the crops.

Growers have the ability to effectively manage Verticillium wilt and safeguard their strawberry harvests from serious damage if they put these tactics into action and make use of verticillium wilt strawberries treatments such as Trianum Shield Trichoderma Bio-Fungicide and Trichoderma Harzianum.


  1. Mirmajlessi, Seyed Mahyar, et al. “Screening of native Trichoderma harzianum isolates for their ability to control Verticillium wilt of strawberry.” (2016): 397-404.
  2. Meszka, B., and A. Bielenin. “Bioproducts in control of strawberry Verticillium wilt.” Phytopathologia 52 (2009): 21-27.

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