Color Pictures of Mineral Deficiencies in Kale
from The Diagnosis of Mineral Deficiencies in Plants by Visual Symptomsby Thomas Wallace, M.C., D.Sc., A.I.C. Published by His Majesty's Stationary Office — 1943 — Crown Copyright Reserved —
KALE IN SAND CULTURE — from the 1951 edition
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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The Diagnosis of Mineral Deficiencies in Plants by Visual Symptoms
by Thomas Wallace, M.C., D.Sc., A.I.C. Color Pictures of Mineral Defeciencies in Plants – 1943Using Hydroponics to Understand the Earth's Life Processes
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