PLANTS. Parasitic Fungi on Grain Crops; Wheat rust Uredongus 1912 old print
£9.50
SKU: P-6-046954
'Parasitic Fungi on Grain Crops; 1. Blade of wheat attacked by rust. 2. Portion of blade of wheat (magnified), showing the first stage of growth of rust called Uredo. 3. Section of leaf, showing uredospores protruding from leaf and threads of fungus (hyphae) feeding on cells of leaf. 4. Uredospores germinating and commencing to from the threadlike body (hyphae). 5. A Barberry leaf, showing the second stage in the life history of the rust (Aecidium). 6. A transverse section of Barberry leaf (lower side uppermost), showing the diseased portion of leaf specially thickened with a cup-like Aecidium full of round spores. 7. Another stage in life of rust of wheat (Puccinia), showing the two celled resting spores 7a. Three of the resting spores - two in the process of germination. 7b. A portion of leaf, showing clusters of Puccinia. S. Ear of oat attacked by smut (Ustilago). 9. Single spikelet of oat (magnified) attacked by Ustilago. 10. Dark spores of smut (magnified). 10a. Same with spores germinated, ready to attack oat. 11. Ear of wheat attacked by Bunt (Tilletia). 12. Single spikelet of wheat (magnified) attacked by Tilletia. 13. Four of netted spores (highly magnified). 14. Section of grain of wheat, filled with dark spores'
Size 13 x 20 cm | 5.0 x 8.0 inches
Date Published: 1912
Type: Antique colour print
Author: Anonymous
Publication: Standard Cyclopedia of Modern Agriculture
Condition: Good |
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