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ARPN Journal of Science and Technology >> Volume 7, Issue 2, November 2017

ARPN Journal of Science and Technology

Effects of Foliar Applied Carbofuran on Damage and Yield of Some Sorghum Varieties/Cultivars Caused by Stem Borer, Busseola Fusca Fuller (Lepidoptera:Noctuidae) in Biu, Borno State, Nigeria

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Author Malgwi, A.M, Adamu, H.
ISSN 2225-7217
On Pages 963-971
Volume No. 3
Issue No. 9
Issue Date October 01, 2013
Publishing Date October 01, 2013
Keywords Carbofuran, Cultivars, Sorghum, Stem borer, Varieties, Yield loss.


The effect of carbofuran (3G) on yield loss assessment on some varieties/cultivars of sorghum (Sorghum bicolor) L. Moench, due to damage caused by stem borer (Busseola fusca) was conducted in Biu, Borno state under natural field infestation in 2008 and 2009 cropping seasons. The field experiment (split-plot design (SPD), consisted of ten sorghum cultivars sourced locally in Biu, and five sorghum varieties obtained from Institute for Agricultural Research (IAR), Zaria. Varieties/cultivars were the sub-plots while the untreated and insecticide treated plots were the main-plots replicated three times on 6m2 plots. Weight of grain recorded and yield reduction percentages was calculated using direct method (actual crop losses measured in the field) of estimating crop loss from insect pests. The result obtained in 2008 and 2009 showed that, grain yield ranged on untreated plots from 499 to 1519.17kg/ha, while on the fully treated plots yield ranged between 848.61 to 2497.50kgha-1. The percentage (%) avoidable loss of the varieties/cultivars ranged from 1–74% in 2008. However, ‘Yungum’ ranked 1st in losses, followed by ‘Piltum vwa’ (2nd) and least affected was Samsorg14 (15th), followed by NR-7114 (14th), while in 2009, yield reduction ranged between 2 and 92%, where ‘kwakwai’ ranked 1st, followed by ‘Tiksha mopu’ (2nd) and ‘Perpelli’ (15th) suffered least yield reduction, followed by Samsorg17 (14th). This result has clearly shown that carbofuran remains an effective and easy to apply insecticide on stem borer especially in case of epidemics. Unless farmers adopt various control measures, B. fusca is a serious threat and integrating insecticide, resistant cultivars/varieties and cultural practices such as partial burning of sorghum stalks, post harvest sorghum threshing before storage were suggested.

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