Question

Classify mycorrhizae on the basis residence of fungus?

Answer 1

Mycorrhizae:

1. It is defined as a symbiotic association between plant roots and fungi.

Classification of mycorrhizae:

1. Ecto mycorrhizae
2. Endo mycorrhizae

Ecto mycorrhizae:

1. It is present on the external root surface.
2. It produces Hartig net.
3. It provides soil nutrients and water to the host plant.
4. It extracts carbon from the host plant.
5. Example: pine and rose families.

Endo mycorrhizae:

1. It penetrates deep into the root.
2. It is more prevalent.
3. It does not produce hyphae mantle.
4. It forms an intraradical structure.
5. Endomycorrhiza includes arbuscular (AMs), ericoid, and orchid mycorrhiza.