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Indian Forester, Vol 129, No 3 (2003), Pagination: 401-406
Abstract
Chemical control of cone and seed insect of Himalayan Silver fir (Abies pindrow Royle) was conducted by using systemic insecticides. Two methods were followed for insecticide application: (i) Drip line application in soil, and (ii) tree injection. Performance ofmonocrotophos @ 100ml per 20 cm gbh of a tree was found best, protecting 82.44% cones of Silver fir used as tree injection followed by drip line application in soil by thimet @ 100 g per 20 cm gbh where 75.76% cones were protected from the attack of cone worm, Dioryctria abietella.
