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- Author or Editor: Marie-Claude Mauro x
Abstract
Pollen from 157 genotypes of grape (Vitis sp.) were scanned for the occurrence of grains ≥30 μm in diameter. Eighteen diploid genotypes produced from 3% to 36% large pollen grains. Four of these produced distinctly oval-shaped grains. Eleven tetraploid genotypes produced from 47% to 87% large pollen. Large grains in diploid genotypes may be unreduced gametes that could be used in interploid crossing to breed hybrid tetraploids.
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HortScience