Back hurt and hollow heart in potato occur due to?

Correct option is E

The correct option is (e) Nutrient deficiency. Hollow heart and back hurt in potatoes are often caused by nutrient deficiencies, particularly a lack of calcium and other essential nutrients, leading to internal damage.
(a) Environmental condition – Environmental factors can contribute, but nutrient deficiency is the primary cause.
(b) Overuse of fertilizer – Can contribute to certain disorders, but hollow heart is more related to nutrient imbalance.
(c) Rodents – Not directly related to hollow heart or back hurt in potatoes.
(d) Bacterial infection – Not responsible for hollow heart or back hurt.