Color Pictures of Mineral Deficiencies in Flax

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 —


FLAX IN SAND CULTURE — from the 1951 edition

Flax Plants - Nitrogen deficiency 
041. Flax Plants

Nitrogen deficiency

Growth small; stems erect and thin, branching suppressed; leaves erect, pale green or yellow; early defoliation of lower leaves.

 
Flax Plants - Phosphorus deficiency 042. Flax Plants

Phosphorus deficiency

Stems thin and upright; branching restricted; leaves dull green.

 
Flax Plants (Upper Portions) - Calcium deficiency 043. Flax Plants (Upper Portions)

Calcium deficiency

Tip growths chlorotic; stems collapse and tip portions die.

 
Flax Plants - Calcium deficiency (soil acidity complex) 044. Flax Plants

Calcium deficiency (soil acidity complex)

Field plants showing chlorosis and die-back of tip growths on acid soil.

 
Flax Plants (Lower Stem Portions) - Magnesium deficiency 045. Flax Plants (Lower Stem Portions)

Magnesium deficiency

Older leaves tip yellowing, changing to browning.

 
Flax Plants (Lower Stem Portions) - Potassium deficiency 046. Flax Plants (Lower Stem Portions)

Potassium deficiency

Leaves browning of tips.

 
Flax Plants - Iron deficiency 047. Flax Plants

Iron deficiency

Severe chlorosis, especially near tips.

 
Flax Plants - Manganese deficiency 048. Flax Plants

Manganese deficiency

Stunting; yellowing of tip leaves (cf. Plate No. 049, boron deficiency).

 
Flax Plants - Boron deficiency 049. Flax Plants

Boron deficiency

Stems thickened and stiff; tip leaves yellow and fail to expand; growing points die (cf. Plate No. 048, manganese deficiency).

 
 

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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