Investigations into the Causes of Bract Browning in Waratahs

Investigations into the Causes of Bract Browning in Waratahs

Bract browning of waratahs reduces their market value and export potential as a cut flower crop. Many environmental factors such as light, water stress and localised calcium deficiency have been implicated in the  development of bract browning. Potted waratahs of cultivars ‘Olympic Flame’ … Continued