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The fungal partner predominantly in ectomycorrhiza belongs to class _____and they are commonly formed in _____
Option: 1
Zygomycetes, herbaceous plants
Option: 2
Zygomycetes, woody plants
Option: 3
Basidiomycetes, Herbaceous plants
Option: 4
Basidiomycetes, Woody plants.
Answers (1)
Mycorrhiza
- Mycorrhiza refers to the symbiotic association of fungi with the roots of higher plants. The fungus is dependent upon the higher plants for shelter and food. The fungus helps the roots in the absorption of water and phosphorus from soil.
- Mycorrhizae are of two types:
- Ectomycorrhiza: Fungus lies on the surface of the root. Only a little part of it penetrates intercellular spaces of the cortex. Ectomycorrhiza is less common.
- Endomycorrhiza: Fungus lies inside the cortex of root. Some hyphae may penetrate the cortical cells also. Endomycorrhiza is more common (80% of plant families). Vesicular-arbuscular mycorrhiza is a sub type of endomycorrhiza. Here the fungus colonizes the root cortex forming a mycelial network and characteristic vesicles (bladder-like structures) and arbuscules (branched finger-like hyphae).
-The fungal partner predominantly in ectomycorrhiza belongs to class Basidiomycetes
and they are commonly formed in Woody plants.
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