Signs
|
Symptoms
|
Nutrient
|
Solution
|
Helen Atthowe - Missoula County Extension |
Younger
leaves pale;
terminal buds die; sunken, darkened tissue on fruits of tomato and
apple.
|
Calcium
|
Add
gypsum or Calcium nitrate
|
Helen
Atthowe - Missoula County Extension |
Young
leaves turn yellow
between veins
|
Iron
-usually on soils with
high pH
|
Lower
soil pH with sulfur.
Spray leaves with iron chelate.
|
Helen Atthowe - Missoula County Extension |
Older
leaves paler and small;
general yellowing.
Small imperfectly formed roots
|
Nitrogen
|
Apply
liquid
nitrogen
|
Helen Atthowe - Missoula County Extension |
Leaves
on young plants are
purple
|
Phosphorus
(Cool spring soils make P
unavailable to plant roots.)
|
Warm
soil with plastic mulch, add phosphorus in liquid form.
|
