AP BIOLOGY

Detailed explanation-1: -Potatoes are planted in furrows and immediately after planting tubers, small ridges are made. Later on these ridges are made thick by earthing up of the side soil. Planting Time: To secure high yields, it is essential to plant the potatoes at the optimum time.

Detailed explanation-2: -It grows on a specialized underground stem called a stolon. So, although potatoes grow underground, they are stems, not roots, and are known as “tubers.”

Detailed explanation-3: -The part of a potato plant that can be eaten is its thickened underground stem-and officially, that’s the part of the plant considered a tuber.

Detailed explanation-4: -Potatoes and yams are tubers, whereas taro and cocoyams are derived from corms, underground stems, and swollen hypocotyls. Cassava and sweet potatoes are storage roots and canna and arrowroots are edible rhizomes.