اثر شدت نور و هرس ريشه برزنده ماني و شادابي نهال بلند مازو QUERCUS CASTANEIFOLIAC. AMEY( )

Influence of light intensity and root pruning on survival and vitality oak seedling

To distinguish how light intensity (100%, 75% and 50% of whole sunlight coming) and root pruning (15, 30 and 45 cm of whole root length) affect Oak (Q. castaneifolia) seedling survival and vitality, a study in Caspian forest in factorial trial with 3 repetitions was Carried out. After two years; results showed light intensity ein fluences survival and vitality. soch that maximum amount happened of 75% Light intensity for survival. On the other hand; root pruning hadnot significant effect on survival as well as vitality. Meanwhile there was no any interaction between light density and root pruning on survival. Overall, best treatment regarding Oak seedling consist in a level of 75% of whole light with root pruned near to 45cm.