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JSS2: AGRICULTURAL SCIENCE - 2ND TERM
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Animal Feeds And Feedings | Week 13 Topics
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Types of Feedstuffs and Feedings | Week 23 Topics
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Ration, Diet And Malnutrition | Week 38 Topics
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Feeding Tools and Equipment for Farm Animals | Week 43 Topics|1 Quiz
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Animal Pests And Diseases Control | Week 54 Topics
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Bacterial Diseases In Farm Animals | Week 62 Topics
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Fungal and Viral Diseases in Farm Animals | Week 73 Topics
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Protozoan | Worm | Nutritional Diseases | Week 83 Topics
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Effects of Diseases on Farm Animals | Week 94 Topics
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Farm Animals Parasites | Week 108 Topics|1 Quiz
Lesson 10,
Topic 7
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Basic Symptoms of Plant Diseases
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Topic Content:
- Basic Symptoms of Plant Diseases

Chlorosis is a yellowing of normally green leaves due to a lack of chlorophyll. A common cause of chlorosis is a deficiency of iron or manganese, both of which are present... More. (i) Stunted growth or dwarfing of plants.
(ii) Yellowing of leaves (chlorosis).
(iii) Shriveling of canopy (blight).
(iv) Forming of red spots (rust).
(v) Rottening of plant parts.
(vi) Collapse of
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