الفهرس 
AcknowledgmentOnly 14 pages are availabe for public view
 |  | from | 136 |  |  |
| | | from | 136 | | |
Abstract
This work was conducted to investigate the nature of tri- and tetra-partite systems among host plant, ectomycorrhiza, VAM, (as symbiotic agents) and Rhizoctonia solani (as a pathogenic agents) alone or in combination and their effects on the survival %, growth, biomass, phosphorus content, dry weight and minerals % of the seedlings of Pinus roxburghii Sarg. The study was conducted in two successive growing seasons, of 2013 and 2014 commencing from Feb. 10th till Dec. 5th for each seasons at the Experimental Station of Forestry and Wood Technology Dep., Faculty of Agriculture, University of Alexandria, Abis Region, Alexandria.