What causes apricot scab? How to prevent and control the scab formation of apricot
Peach scabs on apricots come from the fungus Cladosporium carpophilum. It also affects nectarines, plums and peaches. Most apricots with peach blemishes are grown in family orchards because commercial growers take precautions to prevent it.
apricot and peach scab
Anyone wishing to have sweet, juicy apricots in their orchard needs to know about peach scabs on apricots. This fungal disease is also known as "freckles" because of the small spots that appear on the fruit.
After a warm, wet spring, you'll often find peach scabs on apricots. Fungi produce lesions on the young shoots of overwintering spores. As the weather warms, these spores can cause spring infections. They grow fastest at temperatures around 65 to 75 degrees Fahrenheit (18-24 degrees Celsius).
However, you may not see symptoms immediately after infection. They may appear after 70 days. However, you can and should start acne treatment early.
How to prevent apricot scab
To treat apricot scab, you must first make a good choice of where to plant apricots and how to take care of them. Perhaps the most important thing to remember is to drain apricots and other susceptible trees out of low-lying, poorly drained air and soil.
Another good precaution against apricot scab is to carefully prune trees to open the center. If you use an open-center pruning system, it provides good air circulation within the canopy, slowing or stopping fungal activity.
Don't spend too much time looking for acne resistant apricot varieties. Most experts agree that cultivars are susceptible to this fungal disease. If you need further apricot sore treatment, look at fungicides.
Bactericide is an important weapon in the treatment of apricot ulcer. You need to find a fungicide recommended for this disease and spray it according to label instructions. Usually, from the time the petals fall to 40 days before harvest, you need to spray once every two weeks. The most critical spraying time for apricot scab treatment is from molting division to five weeks after flowering.
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