Effects of Different Weeding Regimes on the Performance of Cassava Cultivars in Oyo and Makurdi, Nigeria
Abstract
This study conducted at
the University of Uyo Teaching and Research Farm and Research and Teaching Farm
University of Agriculture Makurdi, 2019. The aim of the experiment is to
examine the effectiveness of variety and weeding regimes on growth and yield components
of cassava. It is a factorial experimental design with two factors, four
varieties (TMS 30555, TMS419, NR8083 and NR8208) and four weeding regime (0, 1,
2 and 3). A 4 x 4 x 3 was laid out in a randomized complete block design
replicated three times. During the research growth characters like plant
height, number of leaves, leaf area and crop growth rate were measured. Other
character like number of plantable stems, fresh weight, root circumference,
Number of roots per plant was also recorded. Results showed that significant
difference (P<0.05) in both the growth and yield components of cassava
variety at different weeding regime. On variety the use of TMS 419 is superior
in both growth and yield component; there was significant difference (P<0.05)
in crop vegetative growth and yield component like plant height (282.28),
number of leaves(238.12), leaf area (72.00) crop growth rate (10.55) plantable
stem (3200.12), fresh weight (10.28), root circumference (8.00) and Number of
root per plant(7.55). With regards to different weeding regime, weeding twice,
recording second after weeding thrice in growth parameters such as plant height
(270.53), number of leaves (237.23) leaf area (73.82) and crop growth rate
(8.01) while higher in yield component of cassava such as fresh weight (9.52),
number of plantable stem (3100.23), root circumference (7.42) and Number of
root per plant (7.01). On location the cultivation of cassava in Oyo superseded
the one in Makurdi in both growth and overall yield. From the study the result
revealed the use of improved variety like TMS 419 and the adoption of twice
weeding for both growth and optimum yield in cassava. This study, therefore,
recommends the use of TMS 419 and twice weeding for cassava farmer in the study
area.
Keywords: Cassava; Weeding regime; Varieties; Yield component
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