The effect of leaf feeder moth (Erannis defoliaria & Operophtera brumata) on radial growth of 3 tree species in north of Iran (case study: Mashalak, Nowshahr)
In this study it has been considered that the inflict of two species, Erannis defoliaria and Operophtera brumata,decrease the radial growth of beech, maple and hornbeam in northern forests of Iran. 30 cores were prepared from each species and annual ring widths of them were measured. The results sho...
Main Authors: | , , |
---|---|
Format: | Article |
Language: | fas |
Published: |
Research Institute of Forests and Rangelands of Iran
2007-09-01
|
Series: | تحقیقات جنگل و صنوبر ایران |
Subjects: | |
Online Access: | http://ijfpr.areeo.ac.ir/article_108149_49926ed4c330d0e67f2bcbcf3f8faedd.pdf |