Oireet
Boron deficiency leads to scarred and corky spots on petioles and stems. Leaves are brittle and deformed. Petioles may show cracks.
With severe deficiency shoot tips die off. Sprouts remain small and lightweight.
Syyt
Severe boron deficiency 
Oireet
Boron deficiency leads to scarred and corky spots on petioles and stems. Leaves are brittle and deformed. Petioles may show cracks.
Syyt
Boron deficiency on leaves 
Oireet
Boron deficiency leads to scarred and corky spots on petioles and stems. Leaves are brittle and deformed. Petioles may show cracks or become hollow.
Syyt
Boron deficiency 
Oireet
Boron deficiency leads to scarred and corky spots on petioles and stems. Leaves are brittle and deformed. Petioles may show cracks or become hollow. Affected leaves prematurely die off.
With severe deficiency shoot tips die off. Sprouts remain small and lightweight.
Syyt
Severe boron deficiency
Aasia ja Oseania