Clonal selection is best method for

Answer: Option B

Clonal selection is the best method for potatoes.
Clonal selection is a tool to produce high-quality seeds. It is done by initially selecting high quality tubers and then multiplying each clone separately.
Clonal selection is an easy and less time-consuming method. Easy maintenance because there is no problem of outcrossing and loss of seed viability.
Clonal selection is a method of improving vegetatively propagated crops like sugarcane, banana, potato, citrus, mango, etc.