Genotypic variation in spike fertility traits and ovary size as determinants of floret and grain survival rate in wheat.

While the relationship between FFS and floret survival was highly significant for all three spikelet positions in both field and greenhouse conditions (R 2 ranging between 0.76 and 0.89; P < 0.001 in all six cases), the relationship between FFS and MFS was only significant in three of the six cases analysed.

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