Color Pictures of Mineral Deficiencies in Oats

from

The Diagnosis of Mineral Deficiencies in Plants by Visual Symptoms
by Thomas Wallace, M.C., D.Sc., A.I.C.

Published by His Majesty's Stationary Office — 1943

— Crown Copyright Reserved —


OATS IN SAND CULTURE — from the 1951 edition

Oat Stems - Phosphorus deficiency 
020. Oat Stems

Phosphorus deficiency

Leaf sheaths, strong purple tints.

 
 
Oat Leaves - Magnesium deficiency 021. Oat Leaves

Magnesium deficiency

Leaves pale green; bead-like grouping of green coloring matter and later yellowing and intervenal necrosis.

 
 
Oat Plants - Potassium deficiency 022. Oat Plants

Potassium deficiency

Leaves and stems bluish green; older leaves die back from tips and wither.

 
Oat Leaves - Potassium deficiency 023. Oat Leaves

Potassium deficiency

Showing tip die-back and bright reddish brown "firing" effect.

 
Oat Plants - Iron deficiency 024. Oat Plants

Iron deficiency

Young leaves severe chlorosis; chlorosis begins as intervenal stripes.

 
Oat Heads - Iron deficiency 025. Oat Heads

Iron deficiency

Heads and subtending leaves chlorotic.

 
Oat Leaves and Heads - Manganese deficiency 026. Oat Leaves and Heads

Manganese deficiency

Leaves, grayish-brown elongated specks and streaks, most prevalent in basal halves; breaking of leaves with distal areas remaining green; empty panicles.

 
Oat Leaves - Manganese deficiency 027. Oat Leaves

Manganese deficiency

Irregular, grayish-brown lesions, which coalesce and bring about collapse of leaf (gray speck symptoms).

 
Wheat, Oats, Barley - Manganese deficiency 028. Wheat, Oats, Barley

Manganese deficiency

Field comparison of susceptibility. Oats (center) more susceptible than barley (left) and wheat (right).

 
Oat Leaves - Iron and Manganese deficiency 029. Oat Leaves

Iron and Manganese deficiency

Two left, iron deficiency chlorotic stripings; two right, manganese deficiency lesions; three center, manganese and iron deficiency symptoms (lesions and striping).

 
 

Index

  • Flax
  • Hops
  • Kale
  • Lettuce
  • Maize
  • Mangold
  • Oats
  • Onion
  • Parsnip
  • Pear
  • Peas
  • Plum
  • Potatoes
  • Radish
  • Rape
  • Rye
  • Spinach
  • Sugar Beet
  • Swede
  • Table Beets      
  • Tomatoes
  • Turnips
  • Wheat
  • Top of Page

    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 – 1943


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