Lectures 2 and 3 - Introduction to Plant Pathology

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1. What is plant pathology – the study of the organisms and environmental factors that cause diseases in plants, mechanisms by which they cause disease, and methods of managing diseases and reducing damage. 2. Definition of disease - sustained physiological and structural damage to plant tissues caused by biological and non-biological agents ending sometimes in plant death.
YOU TREE Skin diseases Foliage diseases Cankers Ozone Heart rot Athlete’s foot fungus Vascular system diseases – Dutch Elm disease Root diseases
Page 1 and 2: LECTURES 2 AND 3 BASIC PLANT PATHOL
Page 6 and 7: 3. Biotic, abiotic and decline dise
Page 8: 4. Signs, Symptoms and Patterns a.
Page 11 and 12: Iron deficiency - abiotic - systema
Page 13 and 14: 5. Mechanisms of disease action Pro
Page 16 and 17: 7. Classification of organisms
Page 18 and 19: Tree of Life
Page 20 and 21: Classification of insects (Asian lo
Page 22: and fungus-like organisms
Page 25 and 26: Perhaps a million species of fungi,
Page 27 and 28: FEATURES OF FUNGI AND FUNGAL-LIKE O
Page 31: Nectria perithecia Peziza apothecia
Page 34 and 35: Ascomycete Fungus- Tar spot on mapl
Page 36 and 37: Basidiomycete hyphae showing clamp
Page 38 and 39: Basidiomycete fungus - conk or frui
Page 40 and 41: White Pine Blister Rust - Basidiomy
Page 42 and 43: Other Pathogens • Viruses, viroid
Page 44 and 45: Viruses and viroids • Needs a vec
Page 46 and 47: Camelia mosaic virus
Page 48 and 49: Symptoms • Bacteria cause disease
Page 50 and 51: Crown Gall • Caused by Agrobacter
Page 52 and 53: Important genera of bacteria Causin
Page 54 and 55:
Symptoms • Infect phloem and caus
Page 56 and 57:
Nematodes • Worm-like animals in
Page 58 and 59:
Pine wilt nematode Pine wilt nemato
Page 60 and 61:
Parasitic Plants Evolution towards
Page 62 and 63:
True mistletoe on oak in California
Page 64 and 65:
Dwarf mistletoe
Page 66 and 67:
Protozoans such as phytoflagellates
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Lectures 2 and 3 - Introduction to Plant Pathology

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