A comparison of cassava (Manihot esculenta Crantz) varieties Perintis and MM 92 in relation to cropping duration and soil type

S. L. Tan and M. Normah

Abstract

The yield performance of two cassava varieties, Perintis and MM 92, was compared over two cropping durations (6 and 12 months) and over four sites. MM 92 was a better variety to grow for 6-month yield and for a high percentage of marketable roots. Generally, two 6-month crops of MM 92 were equivalent or better than a single 12-month crop of Perintis, except where the site is on mineral soil and experiences a distinct dry period of 1–2 months. Under such circumstances, the cassava crop should be harvested after 12 months. The site on drained peat having a distinct dry period of 1–2 months was most productive in root yield.

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