If you do not want to try to save the harvest from developing late blight, then during the season it is worth carrying out high-quality preventive measures.
You can use very good folk remedies that do not harm the garden or the vegetables themselves.
How to protect tomatoes from late blight
Kefir
Even slightly expired kefir will do just fine, so don't throw away the drink if you have it. It is customary to take 9-10 liters of water for one liter of kefir.
We mix our components and process the vegetables. Anastasia Kovrizhnykh , agronomist and landscape designer, expert of the online publication "BelNovosti", reminds that the prepared solution can be used both for watering and for foliar treatment.
Iodine with milk
For a bucket of water take one spoon of milk (skim) and fifteen drops of iodine. This product is used exclusively for leaf treatment.
During the season it can be carried out three times with an interval of 14 days.
Iodine
You can also use only iodine: add four drops of the substance to a bucket of water and start processing. This product should be used for watering tomatoes.