Growth Responses of Some Fodder Tree Species on Arbuscular Mycorrhizal Fungi

Bhagwati Prasad Chamola, Bijandra Lal Pandwal, Prem Lal Uniyal

Abstract


Fodder trees and shrubs are used in Garhwal region as protein supplements in ruminant diets during the long dry period (i.e. October to May). Nearly 12% of total digestive nutrients come from fodder tree and shrub leaves.  Forests are the major source of leaf fodder which contributes about 24% of the total digestible nutrients (TDN) supply mainly as fodder leaves.  In some areas of the hills of Garhwal up to 90% of the feed come from the forest. Forests have been continuously over exploited for fodder resulting in loss of ground flora causing the soil degradation and erosion. There are more than 100 species of trees and shrubs in Garhwal region that are being used as source of animal fodder. Arbuscular mycorrhizal (AM) fungi are known for improving plant growth through their influence on root geometry with enhanced production of roots aided by an increase in an uptake of major nutrients, leading to increased photosynthetic activity. Keeping this in view the present study was taken up with an objective to study the response of some fodder tree species to AM fungi for germination and growth parameters along with mycorrhizal dependency.


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ISSN : 2251-1563