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Arbuscular Mycorrhiza Fungal Association and its Importance in some Edge Plants


Affiliations
1 Department of Botany, Microbiology Lab., Karnatak University, Dharwad-580 003, India
 

A survey of arbuscular mycorrhizal (AM) fungi on 15 edge plants was undertaken, and percent of mycorrhizal colonization and spore number per 50g soil was determined. Varied percent of ischolar_main colonization with varied spore number was recorded. Altogether 21 AM spores were isolated. The results revealed that Genus Glomus was most predominant among the recovered spore genera.The incidence of stunted plant growth, lower stem diameter, lower length of leaves, chlorosis and thin leaves with lower content of total chlorophyll pigment was demonstrated in those edge plants, which were without or less ischolar_main colonization. However, edge plants, with higher AM colonization, showed improved plant growth, increased stem diameter, larger leaves without chlorosis and significantly increased total chlorophyll content in the leaves. This indicates the importance of AM fungal association in edge plants.
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  • Arbuscular Mycorrhiza Fungal Association and its Importance in some Edge Plants

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Authors

Mahesh B. Byatanal
Department of Botany, Microbiology Lab., Karnatak University, Dharwad-580 003, India
Shweta J. Sabannavar
Department of Botany, Microbiology Lab., Karnatak University, Dharwad-580 003, India
H. C. Lakshman
Department of Botany, Microbiology Lab., Karnatak University, Dharwad-580 003, India
S. G. Hiremath
Department of Botany, Microbiology Lab., Karnatak University, Dharwad-580 003, India

Abstract


A survey of arbuscular mycorrhizal (AM) fungi on 15 edge plants was undertaken, and percent of mycorrhizal colonization and spore number per 50g soil was determined. Varied percent of ischolar_main colonization with varied spore number was recorded. Altogether 21 AM spores were isolated. The results revealed that Genus Glomus was most predominant among the recovered spore genera.The incidence of stunted plant growth, lower stem diameter, lower length of leaves, chlorosis and thin leaves with lower content of total chlorophyll pigment was demonstrated in those edge plants, which were without or less ischolar_main colonization. However, edge plants, with higher AM colonization, showed improved plant growth, increased stem diameter, larger leaves without chlorosis and significantly increased total chlorophyll content in the leaves. This indicates the importance of AM fungal association in edge plants.