It’s a fungus attacking many different crops, in tomatoes it is called early blight.
Its symptoms are round concentric leaf spots that grow bigger, and the entire leaf becomes yellow and dies.
These symptoms may also transfer to the stems and to the fruits.
Septoria leaf spot, Bacterial leaf spot and Gray Leaf Spot are also common leaf diseases and their symptoms also look the same.
It is recommended to use at least 3 kinds of different pesticides,
and alternate between them every 4 days,
in order to overcome pest’s resistance, and completely exterminate them.
There are 2 ways to eliminate Alternaria leaf spot: Chemical, and organic.
Best pesticides for Alternaria leaf spot / Early blight,
It helps prevent the germination of fungal spores.
It is proven and reliable to be powerful while ensuring plants’ safety.
This OMRI-listed product comes in a dry powder formula that is easy and convenient to apply.
Features excellent plant tenacity and delivers maximum bioavailability.
Covers the egg, larvae, nymph and adult stages, causing suffocation.
It leaves no toxic residue on plants.
A biological fungicide containing a strain of the bacterium Bacillus subtilis.
The bacterial spores occupy space on the plant surface, and compete with the pathogens; then active compounds called lipopeptides, produced by the bacterium, disrupt the germination, and growth of invading pathogens.
Due to this action, resistance is not likely to develop.
A naturally occurring pesticide, found in seeds from the neem tree.
Azadirachtin is the most active component here.
It reduces insect feeding and acts as a repellent.
It also interferes with insect hormone systems, making it harder for insects to grow and lay eggs.
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- How to Increase the pesticides efficiency
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