Journal
PLANT GROWTH REGULATION
Volume 64, Issue 2, Pages 203-206Publisher
SPRINGER
DOI: 10.1007/s10725-010-9525-2
Keywords
Fruit development; Heat sum; Quercus; Recalcitrant seed
Categories
Funding
- Aarhus University
- Millennium Commission
- Wellcome Trust
- Orange Plc.
- Defra
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An analysis was made of fruit traits of grafted lines of the recalcitrant fruited species Quercus petraea. Plants were grown either inside or outside a glasshouse in Denmark to test the impact of heat sum on fruit development. The results indicated that across the grafted lines, fruits from plants inside the glasshouse were consistently larger with a lower water content. This suggests that fruit development progressed further within phase II of development. This is consistent with findings from earlier, uncontrolled experiments and provides a quantitative explanation for intra-species variability in fruit / seed traits for recalcitrant seeded species.
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