how to farm tomatoes in greenhouses affected by bacterial wilt

How to Farm tomatoes in a bacterial wilt affected greenhouse

Bacterial wilt is a crucial challenge for tomato farmers and especially greenhouse farmers as it leads to total crop loss. Of all the crops, tomatoes have the highest returns in greenhouse farming.

However, they are easily affected by bacterial wilt leading to massive losses due to total crop loss.

Have Tomatoes failed in your greenhouse due to bacterial wilt? , try this.

Several solutions like fumigation, solarization, flooding with water and various chemicals or removal of the soil (3ft) have not worked. In this article, we are asking ourselves how can a farmer continue farming tomatoes in a greenhouse affected by bacterial wilt

1. Hydroponics farming

Hydroponics is a method of growing crops without using soil as a medium. Instead, solutions riched with nutrients such as Nitrogen, Phosphorus and Potassium used,

These nutrients come mostly from fish excrement, duck manure, purchased chemical fertilizers or artificial nutrient solutions. Plants commonly grown hydroponically include tomatoes, peppers, lettuce, cucumbers and strawberries.

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How to do it

Remove the infected tomato crops and any other debris and burn them. Dig out the top layer of the soil 1-3ft to remove the highly concentrated soil and dump it as far as possible from the greenhouse.

Look for a black polythene liner (0.1 or 0.25mm) and cover the floor. You can also cement the floor even though it’s expensive. This will prevent direct contact with infected soil.

Ensure the troughs or pots in use are well cleaned with a disinfectant and sundried far from the greenhouse where they can’t come into direct contact with the infected soil. Before introducing the crops ensure the floor is thoroughly cleaned with a disinfectant.

The pots or troughs are placed strategically ensuring that the planted crops will maintain the recommended spacing of 60cm by 60cm or 60cm by 45cm. Lava rocks are used as a growing medium with a depth of not less than 30cm. The use of lava rocks reduces the risk of soil born diseases.

Seeds Selection
How to farm tomatoes in bacterial wilt affected greenhouse

Ensure you transplant disease-free seedlings. Avoid those raised on the soil as you may carry the disease with it. Only source hybrid varieties which are quite resistant to bacterial wilt from certified seed raisers.

Read How to raise your own seedling.

On arrival, ensure they don’t come into contact with the infected soil. Transplant them while maintaining the recommended spacing.


An automated system will help reduce greenhouse entry lowering the risk of introducing the disease. Mob your greenhouse as often as possible with a disinfectant.

Always ensure you have a foot dip with a disinfectant at the entry of your greenhouse and if you can avoid visitors into your greenhouse the better.

A high level of hygiene should be maintained while Spraying, pruning and DE suckering for good healthy fruits. farming tomatoes for optimum yields

However, it’s good to note that this might be quite expensive as the farmer might not end up covering the cost incurred.

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