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SUMMARY Carrot seed weight, over the range 0·37 to 3·77 mg, and endosperm volume were closely and linearly related to endosperm cell number, the relationships accounting for 77–85% and 84–94% of the variance in seed weight and endosperm volume, respectively. The relationships were similar for seeds of cvs Chantenay and Amsterdam, and for seeds from primary and secondary umbels but were affected by season of seed production through differences in cell volume.
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Gray et al. (1985) studied this question.
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