EVALUATING GROWTH PERFORMANCE OF TWO MUNGBEAN (VIGNARADIATA (L) WELCZEK) VARIETIES TO TILLAGE PRACTICES AND SOWING METHODS IN SOUTHERN SAVANNA AGRO-ECOLOGY OF NIGERIA

S. H. Badi, A. A. Garba, A. S. Fagam

Abstract


The experiment was conducted at the Plateau State College of Agriculture, Garkawa (Latitude 10011’and longitude 8021’E in the Southern Guinea Savanna in 2015 and 2016 wet seasons to evaluate growth performance of two mungbean varieties (Galadima and Ingalab), sowing method (dibbling, drilling and broadcasting) and tillage practice (Ridge, flat, strip). The experiment was laid on a strip split plot design with tillage practice arranged on the vertical strip, sowing method on the horizontal strip and variety in the intersection and subplots, replicated 3 times. The results obtained on the main effects showed that the use of ridges, dibbling or drilling and Ingalab varietyhad superior (P≤ 0.05)tillage practice, sowing methods and variety. Mungbean growth characters like plant height, leaf area index, net assimilation rate and crop growth rate indicated no interactions at different level. Highest leaf area index, net assimilation rate and crop growth rate were obtained for variety inqalab grown on ridges using dibbling sowing methods (2.03, 2.03, 4.50) which was at par with drilling sowing method and lowest with strip tilled plot using broadcast sowing method (0.49, 0.47, 1.30) respectively. Based on these findings, the use of inqalab variety grown on ridges using dibbling or drilling sowing methods showed promise for optimum growth of mungbean to farmers under agronomic condition in Garkawa.

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