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Relative Susceptibility of Three Sugarcane Cultivars in Nigeria to Attack by Sesamia botanephaga2,3

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Abstract:

Differential susceptibility of sugarcane cuitivars Co. 957, Co. 1001, and D 141/46 to attack by a stalk borer Sesamia botanephaga Tams and Bowden was compared in replicated laboratory and field trials. Significantly (P =0.05) fewer eggs were deposited on Co. 957 in cage tests. When larvae were reared individually on comparable pieces of sugarcane tiller tissue, larvae fed Co. 957 took longer to develop, had lower survival, and lighter weight than larvae fed Co. 1001 and D 141/46; however, the differences were not statistically different at P = 0.05.

In field plot evaluations (1976 and 1977) of stalk borer inflicted tiller mortality, significantly (P = 0.05) lower mortality occured on Co. 957 than on Co. 1001 and D 141/46. The results from laboratory and field tests indicate that Co. 957 is no more susceptible than Co. 1001 or D 141/46 to attack by S. botanephaga.

Document Type: Research Article

Publication date: February 1, 1979

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  • Journal of Economic Entomology is published bimonthly in February, April, June, August, October, and December. The journal publishes articles on the economic significance of insects and is divided into the following sections: apiculture & social insects; arthropods in relation to plant disease; forum; insecticide resistance and resistance management; ecotoxicology; biological and microbial control; ecology and behavior; sampling and biostatistics; household and structural insects; medical entomology; molecular entomology; veterinary entomology; forest entomology; horticultural entomology; field and forage crops, and small grains; stored-product; commodity treatment and quarantine entomology; and plant resistance. In addition to research papers, Journal of Economic Entomology publishes Letters to the Editor, interpretive articles in a Forum section, Short Communications, Rapid Communications, and Book Reviews.
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