Abstract
Cucumber growing is becoming increasingly popular in Nigeria's Sudan savanna region due to its health benefits and minimal impact on the soil. However, weed infestation is a major challenge that can significantly reduce yields, by up to 45-95%. In view of this, two trials were conducted at the Teaching and Research farm of the Faculty of Agriculture and the net house of the Centre for Dryland Agriculture of the Bayero University Kano to examine the effects of weed control and staking on cucumbers during the 2021 dry season. The trial consisted of eight weed control treatments and two staking methods which were arranged in a split plot design with three replicates, with staking assigned to the main plot while weed control was assigned to the sub plots. The study analyzed data on growth and yield, using Genstat (17th edition) and significantly different means were separated using the Student Newman-Keuls Test (SNK) at a 5% level of probability. Results showed a higher composition of grass and broadleaf weeds in open fields compared to controlled net house environments. Weed Control Efficiency (WCE) was greater in weed-free plots, but Butachlor and metolachlor significantly outperformed other treatments, providing higher WCE. The herbicidal treated plots significantly resulted in longer days to 50% emergence than other treatments, while it also resulted in a shorter number of days to 50% flowering and fruiting than weedy check. The vine length, number of leaves, leaf area, and chlorophyll content were highly significant (p<0.01) in weed free, butachlor at 1.5 + Imazethapyr 1.5 kg a.i.ha-1 post emergence ( POE) and metolachlor at 1.5 + Imazethapyr 1.5 kg a.i.ha-1 POE. Similarly, yield and yield attributes followed the same pattern as obtained in growth components. Staking of vines on the other hand significantly resulted in greater growth and yield of cucumber. Based on these findings, farmers in the study area are advised to grow cucumber staked with the application of Butachlor at 1.5 + Imazethapyr 1.5 kg a.i.ha-1 POE and metolachlor at 1.5 + Imazethapyr 1.5 kg a.i.ha-1 POE for sustainable weed management.
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