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Studies on the radio-sensitivity of Scots pine seeds

, : Studies on the radio-sensitivity of Scots pine seeds. Gorskostopanska Nauka 9(4): 11-22

Dry seed, and seed soaked for 6 and 24 hours, from trees at 1200, 1400, and 1700 m alt. in Bulgaria was exposed to doses of 500-10 000 R from a Co60 source. Radio-sensitivity (assessed by LD50 values as indicated by germination tests) increased with increasing altitude and decreased with increasing seed moisture content.


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