Assessment of damage to silver fir seed caused by cone-borer, Dioryctria abietella Schiff
Assessment of damage to silver fir seed caused by cone-borer, Dioryctria abietella Schiff
Wali-ur-Rahman and M. I an ail Chaudhry
ABSTRACT
Intro:
Cone-borer, Dioryctria abietella Schiff, which has been reported on Pinus geradiana from Baluchistan (Chaudhry 1960) and Pinus roxburghii, P. wallichiana, Cedrus deodara and Abies pindrow from Swat (Chaudhry et al., 1966) is infesting cones of Silver fir (Abies pindrow) in six localities of Hazara (NWFP). It destroys the seed out rightly or damages to the extent that the viability is undermined.
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June 1986
Vol. 36, Iss. 2
