Color Pictures of Mineral Deficiencies in Clover

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 —


CLOVER IN SAND CULTURE — from the 1951 edition


 
Red Clover Leaves - Phosphorus deficiency 207. Red Clover Leaves

Phosphorus deficiency

Leaflets dull bluish green; small bronze spots distributed over surfaces.

 
Red Clover Leaves - Magnesium deficiency 208. Red Clover Leaves

Magnesium deficiency

Central intervenal chlorosis and reddish brown marginal bands.

 
Red Clover Leaves - Potassium deficiency 209. Red Clover Leaves

Potassium deficiency

Chlorotic spotting marginal areas, followed by marginal scorching.

 
Red Clover Leaves - Iron deficiency 210. Red Clover Leaves

Iron deficiency

Younger leaves strongly chlorotic.

 
Red Clover Leaves - Manganese toxicity (soil acidity complex) 211. Red Clover Leaves

Manganese toxicity (soil acidity complex)

Young leaflets, margins chlorotic followed by fine brown spotting and scorching.

 
Red Clover Plants - Boron deficiency 212. Red Clover Plants

Boron deficiency

Stem thickened and stiff; growing point killed, and young growths distorted; older leaves, marginal aeas high purple and red tints.

 
White Clover Shoots - Calcium deficiency 213. White Clover Shoots

Calcium deficiency

Young stems, petioles and pedicels wilt and collapse; leaves chlorotic and scorched margins.

 
White Clover Leaves - Magnesium deficiency 214. White Clover Leaves

Magnesium deficiency

Central intervenal chlorosis and green marginal band which later scorches and turns brown.

 
White Clover Leaves - Potassium deficiency 215. White Clover Leaves

Potassium deficiency

Margins of leaflets white spots forming "hatched" pattern; spots later form brown areas.

 
White Clover Plant - Boron deficiency 216. White Clover Plant

Boron deficiency

Sten thickened and stiff; growing points die; leaves bright red tints and scorched margins.

  
Lucerne Leaves - Magnesium deficiency 217. Lucerne Leaves

Magnesium deficiency

Central intervenal chlorosis, margins green in early stages.

 
Lucerne Leaves - Potassium deficiency 218. Lucerne Leaves

Potassium deficiency

Leaflets chlorotic spots around tips and margins, followed by general chlorosis of spotted areas.

 
Lucerne Plants - Boron deficiency 219. Lucerne Plants

Boron deficiency

Younger leaves strong yellow and red tinting; growing points die. ("Alfalfa Yellows")

 
 

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
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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 – 1943


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