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When the potato crop reaches 80-90 days, then the problem of tuber cracking is mainly seen.
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Excessive nitrogen, a bad soil structure, boron deficiency and low planting densities are the main causes of this disorder. Apart from this, due to irregular irrigation in the field, i.e. more irrigation in the field, then allowing it to dry completely and repeat more irrigation also causes the tubers to crack.
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Due to the presence of cut marks, sore spots on the tubers, fungal diseases and insect outbreaks are more likely.
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Potatoes should be of good shiny, large size to get a good market price for crop production.
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Spray Boron 500 gm + Calcium Nitrate at the rate of 1 kg per acre for a good shine and to prevent cracking in potatoes.
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Uniform irrigation and the application of the right amount of fertilizers can prevent tubers from cracking.
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In areas where this problem is seen every year, using slow-growing varieties can also reduce this disorder.
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