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Gamma radiation unpromising as an insect quarantine treatment for Fraser fir branches.

Hinesley, L.E. and L. K. Snelling

HortScience. Volume 28, Number 11, Nov 1993. Pages 1109-1110.

1993

บทคัดย่อ

Gamma radiation unpromising as an insect quarantine treatment for Fraser fir branches.

Dormant branches of fraser fir [Abies fraseri (Pursh) Poir.] Christmas trees were subjected to single doses of gamma radiation at levels ranging from 0 to 5.0 kGy (0 to 500 kRad). Significant needle loss resulted at doses larger than or equal to 0.10 kGy and increased with radiation intensity. Irradiation discolored foliage and accelerated drying. Irradiation does not appear to be a viable way to meet insect quarantine requirements on cut Fraser fir Christmas trees.