The Diagnosis of Mineral Deficiencies in Plants by Visual Symptoms
Published by His Majesty's Stationary Office — 1943
— Crown Copyright Reserved —
KALE IN SAND CULTURE — from the 1951 edition
by Thomas Wallace, M.C., D.Sc., A.I.C.
080. Kale Plant (Marrow Stem)
Phosphorus deficiency
Growth thin and upright; older leaves purple and reddish purple tints.
081. Kale Plant (Marrow Stem)
Calcium deficiency
Death of growing point and severe collapse of leaf tissues.
082. Kale Plant (Marrow Stem)
Magnesium deficiency
Older leaves striking chlorotic marbling (cf.
Plate No. 084, and
Plate No. 085).
083. Kale Plant (Marrow Stem)
Potassium deficiency
Growth squat; leaves bluish green, slight chlorosis near margins; margins
scorched and turned sharply forward.
084. Kale Plant (Marrow Stem)
Iron deficiency
Leaves chlorotic mottling (cf.
Plate No. 082, and
Plate No. 085).
085. Kale Plant (Marrow Stem)
Manganese deficiency
Leaves chlorotic mottling (cf.
Plate No. 082, and
Plate No. 084).
086. Kale Plant (Marrow Stem)
Manganese toxicity (soil acidity complex)
Leaves cupped, margins incurled, irregular and ragged and show brown necrotic spots; chlorotic mottling especially near margins.
087. Kale Stem (Marrow Stem)
Boron deficiency
Longitudinal section. Lesions in pith.
088. Kale Stem (Marrow Stem)
Boron deficiency
Longitudinal and transverse sections. Pith lesions due to boron deficiency
and rotting due to Bacillus Carotovorus.
089. Kale Leaf (Marrow Stem)
Boron deficiency
Marginal mottling and necrosis (cf.
Plate No. 093)
090. Kale (Hungry Gap)
Calcium deficiency
Hooking and death of young leaves; general collapse of leaf tissues.
091. Kale (Hungry Gap)
Boron deficiency
Death of growing point; corky petioles (cf.
Plate No. 057)
092. Kale Stem (Hungry Gap)
Boron deficiency
Longitudinal section. Lesions in pith.
093. Kale Leaves (Hungry Gap)
Boron deficiency
Marginal mottling and necrosis (cf.
Plate No. 089).
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Color Pictures of Mineral Defeciencies in Plants – 1943
Using Hydroponics to Understand the Earth's Life Processes
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The Diagnosis of Mineral Deficiencies in Plants by Visual Symptoms
by Thomas Wallace, M.C., D.Sc., A.I.C.
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