Vidyalelo
Agriculture · Q394

Horticulture

Graduate and Post Graduate · Agriculture · question 394

Q394

Sweetening of potato tubers caused due to

A.
Poorly ventilated storage condition
B.
Tuber maturing in warm sandy soil
C.
Long term tuber storage at 0° - 50°C
Answer
D.
Excess irrigation and fertilization in potato field

Answer: Option C

Solution

Answer: Option C
Solution:
The sweetening of potato tubers caused due to Long term tuber storage at 0° - 50°C.
Sweetening is the accumulation of reducing sugars in potato tubers at low storage temperatures. Thus, it is also known as Cold-induced Sweetening (CIS).
The relationship between genetic resistance to CIS and two starch parameters, amylose content and starch granule size.
It is undesirable because it results in dark fry products.