Research Article

Establishment of the Causal Agent(s) of Spike Shedding and Stem Wilting of Pepper (Piper nigrum L.) in Morogoro District, Tanzania

Table 3

Occurrence of leaf yellowing, stem wilting, and the prevalent pathogen.

VillageHamletIncidence of leaf yellowing (%)Severity of leaf yellowing (%)Incidence of stem wilting (%)Severity of stem wilting (%)FungiNematodes

Tandai (n = 24)Nyange24.010.04.01.0Fusarium oxysporumNegative
Doga36.016.720.04.7Fusarium oxysporumNegative
Tandai40.020.032.016.7Fusarium oxysporumNegative
Lukenge38.019.236.017.6Fusarium oxysporumNegative

n, number of samples examined; altitudinal location of the hamlets: Nyange (806 m asl); Doga (650 m asl); Tandai (581 m asl); and Lukenge (532 m asl).