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#Treating tomato blight how to#

The fungus that causes early blight, Alternaria solani, thrives in warm, wet conditions. Early blight is a fungal disease that can affect both tomato plants and potatoes.

#Treating tomato blight how to#

Here’s a step-by-step guide on how to treat tomato seeds for early blight. Growing tomatoes from seed can be a little tricky, but with a little care and attention, you can get a healthy start on your tomato plants that will produce a bountiful harvest come summertime.

Rotate your crops!!! Don’t plant the same crops, or susceptible crops in the same area each season.īanner Image: Dwight Sipler from Stow, MA, USA – Early blight on tomato leavesUploaded by Jacopo Werther, CC BY 2.If you’re looking to get a jump on the tomato-growing season, you can start your own plants from seed.

Destroy all infected plants and dropped leaves by bagging and disposing in rubbish, or burning.

Low Environmental Impact fungicides are available, but success is limited and control can be difficult.

It also strengthens the cell walls making it more difficult for the invading fungi.

Seaweed sprayed onto the leaves changes the pH of the leaf surface making it less attractive to the fungal spores.

You must use it weekly for it to be most effective. And that’s not all – the oils in fish emulsion will help to suffocate pests like mites/aphids/scale. It also contains beneficial bacteria that have antifungal properties. The Fish emulsion is very useful because it helps to make it stick. Give it a good mix and spray it on weekly.

To four litres of water, add 3 level teaspoons of bicarbonate of soda and a couple of good splashes of fish emulsion.

Milk-and-water solution coats the leaves and leads to the growth of an invisible fungus that frightens off black spot! Spray the solution directly onto the clean leaves of your tomatoes. Mix fat-free milk with water in a 1:1 ratio and apply it using a spray bottle.You’ll know you’ve met me when: Your tomatoes lack serious vigour, older leaves are seriously ugly with spots, and some fruit shows damage (at the stalk end). I really don’t like gardeners who monitor their plants all year round! I love really crowded gardens where there is no air movement.ĭislikes: Sun, well mulched garden beds, when you clean up fallen leaves, hate well prepared soil with heaps of organic matter, home made spray remedies (like milk sprays and bi-carb mixes), store bought good sprays.

Likes: Oh, I love to get busy when the weather is over 15⁰C and there is lots of moisture around… it really gets my spores flying and my lesions growing! Love humidity, when you over fertilise your tomatoes (oh yeah baby, I love that), shade and water lying around on leaves. If I have to have a young plant, I would definitely go for the base of the stem… I’m partial to a bit of collar rot! I’m movin’ on up baby… I start on your older leaves and work my way to the top of the plant, causing defoliation as I go. Hobbies: I adore the older leaves of tomato plants, but don’t mind a stem, or entering the fruit through growth cracks or the fruit stalk. Describe yourself: I’m a saucy little fungal disease with a real thing for the leaves of tomato plants! People say I’m common, but I reckon I’m an angel, a brown spot with a gorgeous yellow halo.