The Diagnosis of Mineral Deficiencies in Plants by Visual Symptoms
Published by His Majesty's Stationary Office — 1943
— Crown Copyright Reserved —
WHEAT IN SAND CULTURE — from the 1951 edition
by Thomas Wallace, M.C., D.Sc., A.I.C.
031. Wheat Plants, Basal Stem Portions
Nitrogen deficiency
Lack of tillering; stems thin and reddish tints; leaves pale green, basal
leaves yellow and die off early.
032. Wheat Plants
Phosphorus deficiency
Young plants, leaves and stems bluish green and develop strong purple tints;
older leaves die off early.
033. Wheat Plants (Upper Stem Portions)
Phosphorus deficiency
Leaves purplish bronze tints; heads small.
034. Wheat Plants
Iron deficiency
Severe chlorosis of leaves, most severe on younger growths; die-back of
chlorotic leaves.
035. Wheat Leaves
Manganese deficiency
Intermittent intervenal chlorotic streaks (cf.
Plate No. 030, rye, manganese
deficiency).
036. Wheat Shoots
Boron deficiency
Terminal shoots die; leaves die back from tips and young leaves remain
rolled. (Similar to calcium deficiency) (cf.
Plate No. 010, calcium deficiency).
037. Wheat Heads
Copper deficiency
Head may fail to emerge; where formed, grain production restricted. Tips of
heads chlorotic and distorted. Leaves subtending heads slightly chlorotic and
deformed and in most severe specimens from spirals.
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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.
on the Atomic Level
The Tortoise Shell Hydroponic Reference Center
Plants need to absorb what you feed them.
Only You can bring Good Health and Healing into Your Body.