COMMON TOMATO PESTS AND DISEASES
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Tomatoes are one of the most popular edible plants grown in the world today. Unfortunately, due to their south American origins they can be prone to a certain amount of damage from various pests and diseases. Below are the most common tomato pests and diseases you are likely to come across.
Other problems tend to be caused by too much direct sunlight. While tomatoes have to have lots of sun to grow well, to much can cause blotches, scalds or spots on the developing fruit, even the dreaded 'Greenback' is caused by too much sunlight. If you find that this is a problem with your tomato crop, increase the 'potash' in the plants' feeding regime and use fleece or shading as a cover in the hottest part of the day.
As with most plants, look out for green and white fly - both can spread viruses. Spray with a recommended proprietary spray as soon as any pest is noticed. Luckily, any seed collected will not carry viruses, but mottling, leaf distortion and stunted plant growth will be caused by virus tranfered by sap sucking pests. They can quickly spread viruses through your whole crop so keep an eye for them and treat accordingly
If leaf yellowing starts on the older leaves and moves upwards it may not be a virus but a deficiency of magnesium. It is common, but a general feed is unlikely to help. Use a multi tonic or special magnesium feed if required.
If you believe your tomatoes do have a virus, the plant or plants must be removed and destroyed. Avoid handling other tomatoes, or using the same tools on your tomatoes until you and the tools have been thoroughly washed.
For related articles click onto:
Blight Resistant Tomatoes
Common Insect Pests on Tomatoes
Flea Beetles on Tomato Plants
Grey Mould on Tomatoes
How to Control Blackfly on Tomato Plants
How to Control Greenhouse Whitefly on Tomato Plants
How to Control Leaf Miner on Tomato Plants
How to Control Mosaic Virus on Tomato Plants
How to Grow Outdoor Tomato Plants from Seed
How to Grow Tomatoes
How to Grow Tomatoes - Growbags or Soil?
How to Grow Tomatoes from Seed
How to Grow Tomato Seed
Organic Control of Grey Mould on Tomato Plants
Recipe for Tangy Tomato Soup
Salad Crops for Late Summer/Autumn Planting
Starting Tomato Plants From Seed
How to Grow Tomatoes?
Tomato Plants from Seed
What is an F1 Hybrid?
What is Blossom End Rot on Tomatoes?
Article courtesy of Thompson and Morgan
Photo care of Dr Greenfingers