Color Pictures of Mineral Deficiencies in Peas

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 —


PEAS IN SAND CULTURE — from the 1951 edition

 
Pea plants - Phosphorus Deficiency 199. Pea Plants

Phosphorus Deficiency

Growth dwarfed and thin; leaves dull, lustreless green; older leaves wither and die early.

 
 
Pea Stem and Foliage - Calcium deficiency 200. Pea Stem and Foliage

Calcium deficiency

Young stems, pedicels and leaf tissues wilt and collapse.

 
Peas Leaves - Magnesium deficiency 201. Peas Leaves

Magnesium deficiency

Central intervenal chlorosis and green marginal bands.

 
Pea Plants - Potassium deficiency 202. Pea Plants

Potassium deficiency

Young internodes very short and plants squat; older leaves marginal scorch.

 
Pea Leaves - Manganese deficiency 203. Pea Leaves

Manganese deficiency

Intervenal chlorosis beginning at margins.

 
Pea Seeds - Manganese deficiency 204. Pea Seeds

Manganese deficiency

Brown lesions in centers of cotyledons. ("Marsh Spot")

 
Pea Plants - Boron deficiency 205. Pea Plants

Boron deficiency

Stems thickened and stiff, growth squat and bushy habit; foliage chlorotic, young leaflets small and tips brown; growing points die.

 
 

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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