Eksempler på acorn

• Individual oak trees are non-repeatable, and so they produce acorns in order for there to be other oak trees after the original ones die.

• When the oblong-ellipsoid acorn reaches maturity, it acquires a brown to reddish colour and becomes detached from the cupule, so falling to the ground.

• The palisade parenchyma is interpreted as a barrier to desiccation of the acorn and may have a photosynthetic function during the formation of the fruit.

• Fully ripe acorns were obtained from the ground 15 days later.

• Determinations were performed in quadruplicate on batches of six acorns or seeds each time.

• In addition, the family also enjoyed grazing rights on the common land and the right to collect the acorn harvest.

• Apical structure that is essentially similar occurs in the physiologically mature acorns.

• A marked reduction in the mean rate of water loss was recorded for intact acorns compared with those from which the pericarp had been removed.

• Quantitative analysis of acorn transportation by rodents using magnetic locator.

• Their presence indicates a lack of activity of these vessels when the acorn reaches maturity.

• This area changes from green to reddish-brown when the acorn reaches maturity.

• Physiologically mature acorns were harvested from the tree when the pericarp started to change from green to reddish-brown.

• Appalachian farmers and homesteaders typically ear notched their 150-200 hogs to harvest chestnuts and acorns from the 'open range' woods26.

• The external surface and transverse sections of the pericarp from both mature and fully ripe acorns were examined by scanning electron microscopy.

• Intact acorns showed a lower rate of water loss than isolated seeds, particularly during the first 6 days of the trial.