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Use of X-ray radiography for studying seed quality in tropical forestry

Seeds or fruits of 165 forestry species from nine tropical countries were investigated by x-ray radiography. The results showed that the method can be reliably used for detecting empty, filled, insect-attacked, mechanically damaged and diseased seeds or fruits. The applications of x-ray radiography in tropical forestry for cone, fruit and seed collection, seed processing, nursery practice, seed trade and plant quarantines, and for research etc. are discussed.