Table 2 Segregation of the
genotypes in each cassava
population for Cassava
mosaic disease (CMD
severity score)
Scale for the scores: 1,
highly resistant; 2,
moderately resistant; 3,
mildly susceptible; 4,
susceptible; 5, highly
susceptible
Cross combination Progeny size Score
1 2 3 4 5
TMS 30572 9 TMS 30555 168 68 32 47 20 01
TMS 30572 9 NR 8212 105 47 11 26 84 00
TMS 30572 9 NR 8083 106 32 17 43 15 00
TMS 97/2205 9 TMS 30555 121 73 04 11 24 09
TMS 97/2205 9 NR 8212 126 75 08 15 26 02
TMS 97/2205 9 NR 8083 83 45 07 11 18 02
TMS 98/0505 9 TMS 30555 217 138 13 30 34 02
TMS 98/0505 9 NR 8212 143 92 07 23 17 04
TMS 98/0505 9 NR 8083 179 109 12 28 25 05
Total 1248 678 111 234 200 25