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Nectar secretion by flowers of male sterile cybrid winter rape (Brassica napus L)



Nectar secretion by flowers of male sterile cybrid winter rape (Brassica napus L)



Agronomie 11(3): 217-227



Floral nectar secretions of 5 male sterile cybrids of winter rape and of variety Darmor were collected by pipette from field grown plants at Rheu, Brittany and analysed by HPLC. Nectar secretions at 8.00 h were 60% more abundant and only 33% as concentrated as those at 14.00 h, but the relative concentrations of glucose and fructose were similar at around 50%. Cybrids produced 50-90% less nectar than variety Darmor.

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