Table 3. Accumulated percentage of Crown Disease /Common Spear Rot incidence in progenies of different genetic origin during the initial 36 months old in the field.

N° of progenies N° of Palms % of Incidence
Total Affected Healthy
Deli x Deli 75 68 7 5236 14.21
Deli x URT 1 1 0 461 3.97
Deli x BM119 78 50 28 4363 3.65
Deli x Ek 16 13 3 1282 4.73
Deli x Cal 23 6 17 11880 0.86
BM119 x BM119 3 3 0 174 29.76
BM119 x Ek 19 5 14 729 3.7
BM119 x Kigoma 7 5 2 617 0.75
Ek x Ek 12 6 6 834 6.22

URT = Ulu Remis Tenera, BM119 = AVROS, Ek = Ekona

Kigoma = Wild palms collected in Tanzania