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Interaction between Chromolaena odorata (Compositae) and Zonocerus variegatus (Orthoptera: Pyrgomorphidae) with emphasis on achene predation



Interaction between Chromolaena odorata (Compositae) and Zonocerus variegatus (Orthoptera: Pyrgomorphidae) with emphasis on achene predation



African Journal of Agricultural Sciences 1988; 12(1-2): 29-37



The extent of achene predation on the weed Chromolaena odorata by the grasshopper pest Zonocerus variegatus was monitored in Nigeria in 1981 and 1982. In 1981, 41% of all capitula produced by the weed were eaten, thus reducing potential output from about 30 500 to 18 000 achenes/plant. In the following year, predation was 85% and only 8600 achenes/plant were successfully dispersed.

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Accession: 002141631

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