Question

What are the different types of adventitious root modifications?

Answer 1

Modifications of adventitious roots :

1) Fleshy storage adventitious roots: are of following shapes-

a)Tuberous roots- Impomea batata.

b)Fasciculated fleshy roots: in Dahlia and Asparagus.

c)Palmate roots: In orchids.

d)Nodulose roots: In Turmeric.

e)Moniliform roots: In Portulaca

f)Annulated roots: In Ipecac

2) Mechanical support by adventitious roots:

a)Prop roots: found in the Banyan tree.

b)Stilt roots: found in sugarcane, and maize plants.

c)Clinging/Climbing roots: In Pothos (Moneyplant) and Piper nigrum (Black pepper)

3) Assimilatory adventitious roots: Found in water chestnut.

4) Haustorial or parasitic adventitious roots: found in Cuscuta (Amarbel), citrus plants.

5) Epiphytic/aerial/hygroscopic roots: found in Vanda.

6) Floating Adventitious Roots: found in Jussiaea.

7) Reproductive adventitious roots: found in Dahlia and Sweet potato.