Symptoms
appear at the top of the
plant.
Leaf chlorosis is not the
dominant symptom.
Deficiency
Symptoms
Deficient
Nutrient
Terminal
buds die, giving rise to a witches
broom. Young leaves become very
thick, leathery and chlorotic.
Rust colored cracks and corking
occur on young stems, petioles
and flower stalks. Young leaves
are crinkled.
Boron
Margins
of young leaves fail to form,
sometimes yielding strap-leaves.
Growing point ceases to develop,
leaving a blunt or cupped end.
Light green color or uneven chlorosis
of young tissue develops. Root
growth is poor; roots are short
and thickened.
