Valley View University student Emmanuel Gyarko submitted coursework for Root and Tuber Crops that listed the five main diseases of cassava as cassava mosaic, bacterial blight, tuber rot, brown leaf spot, and bacterial stem rot, and the two major pests as variegated grasshopper and cassava mealybug. The assignment was for student ID 211AB01000013, with lecturer Madam Tiwaa Mary.

1. VALLEY VIEW UNIVERSITY TECHIMAN CAMPUS
BSc. AGRIBUSINESS MANAGEMENT
NAME: GYARKO EMMANUEL.
STUDENT ID: 211AB01000013.
COURSE: ROOT AND TUBER CROPS
1. List five diseases of cassava and two major pests.
The five diseases are;
 Cassava mosaic
 Bacterial blight (Xanthomonas axonopodis)
 Tuber rot (Fusarium oxysporum)
 Brown leaf spot (Cercosporidium henningsii)
 Bacterial stem rot (Erwinia carotovora )
The two major pests are;
 Variegated Grasshopper (Zonocerus variegatus)
 Cassava mealybug (Phenacoccus manihoti)
LECTURER: MAD. TIWAA MARY
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