Agri-business Development Support Project (ADSP) July-Sept 2001

Abstract

The degeneration trials were harvested on the 15th, 16th, and 17th of August in Ngecha, Murengeti, and Tigoni Centre respectively. The treatments consisted of dressing with a systemic insecticide, foliar spraying with insecticides, and untreated and unsprayed plots. In addition, a trial to compare the yield difference between first, second, and third-generation seed tubers was harvested at Tigoni on 24th August. Two varieties, Tigoni and Asante were used. The experimental design was an RCBD replicated three times. The yields were 31.6, 28.0, and 18.9 tlha for the first, second, and third-generation seed tubers respectively. ii) Harvesting of the trial on early and medium maturing varieties was done in Kakamega, (Kabras East Division) and Laikipia (Ngecha Division) on 4th and 6th September respectively. Results showed that the best performer in both.