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Timing of acephate implants for control of the coastal seed insect complex of Douglas-fir in northern California



Timing of acephate implants for control of the coastal seed insect complex of Douglas-fir in northern California



Proceedings of the 3rd Cone and Seed Insects Working Party Conference, held in Victoria, British Columbia, Canada, on 26-30 June 1988: 203-209



The implantation of acephate at 0.875 g per capsule into individual Douglas fir trees (Pseudotsuga menziesii) for control of cone and seed insects was investigated in field studies in northern California. Capsules were implanted on 15 April or 6 May at a spacing of one per 10 cm of trunk circumference.

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Accession: 002263242

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