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Journal of Applied Sciences
Year: 2012  |  Volume: 12  |  Issue: 7  |  Page No.: 675 - 680

Effect of Upland Rice Varieties and Cultural Practices on Termite Populations and Damage in the Field

A. Togola, F.E. Nwilene, E.A. Kotoklo, K. Amevoin, I.A. Glitho, O.E. Oyetunji and A. Niang    

Abstract: In tropical Africa, termite damage to rice crops leads to important losses of farmers’ income. The present study aimed to evaluate the effect of rice varieties and cultural practices on termite populations and damage in the field. For this purpose, 10 rice varieties (seven NERICA, one Oryza glaberrima and two O. sativa) were cultivated in rainfed upland at Niaouli (Benin) under four cultivation practices. Termite populations and damage were evaluated during tillering, heading and maturation stages. NERICA 6, CG14 (the African O. glaberrima, parent of the NERICA), NERICA 10, NERICA 2 and NERICA 3 were the least infested and suffered least damage, while NERICA 4 and LA23 were the most susceptible. Among the cultural practices, use of Metarhizium anisopliae and regular weeding resulted in lower termite populations and less damage than other practices. Rice was most susceptible to termite attack in the period from heading to maturation. Results of this study should help rice farmers in their choice of tolerant varieties and adapted cultural practices as effective alternative measures to control termites and save rice production in the rainfed upland ecology.

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