13week semester (39hours)

Disciplines                     Lecture hours       Weeks
Nematology                           6                     2
Entomology                         15                     5
Pathology                            18                     6

1.    NEHATOLOGY

        Plant parasitic nematodes: groups of economic importance, life cycles, damage, techniques of
        extraction

2.    ENTOMOLOGY

2.1   TYPE S OF DAMAGE TO CROPS
        How pests cause damage
        The parts of plants damaged
        i)     sown seeds 6 seedlings
        ii)    leaves 6 stems
        iii)   flowers 4  buds
        iv)   fruits & seeds
        v)    roots & tubers
        vi)   storage

2.2   MAJOR CROP PESTS
        Descriptions, Bionomics, Pest status and Nature of damage to economic crops including; cereals,
        legumes, cotton, potatoes, coffee, tobacco, citrus, horticultural crops and stored products. Named
        examples from Orders of economic importance will be discussed:
        i)       Orthoptera
        ii)      Isoptera
        iii)     Homoptera
        iv)     Heteroptera
        v)      Thysanoptera
        vi)     Lepidoptera
        vii)    Diptera
        viii)   Coleoptera
        ix)     Hymenoptera (beneficial insects)
        x)      Acarina (spider mites)

3.    PATHOLOGY

3.1   Concept of disease, Classification of plant diseases (biotic & abiotic factors)

3.2   Mycology
        Taxonomy, Characteristics of important orders in easch sub-division illustrated with named plant
        pathogens

3.3   Bacteria
        History and properties of  plant pathogenic bacteria, Isolation and identification, major types of
        diseases and life cycles, Fastidious vascular bacteria and diseases caused

3.4   Viruses
        Definition  and  nomenclature, Identification  and diagnosis, Symptoms,  Virus  transmission,
        Economically  important plant viruses, life cycles and  diseases caused,  Viroids, Satelite
        viruses and RNAs