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Studies on the cotton bollworms in the Sudan. Bionomics of the pink bollworm Pectinophora gossypiella (Saund.) and the spiny bollworm Earias insulana (Boisd.) infesting cotton



Studies on the cotton bollworms in the Sudan. Bionomics of the pink bollworm Pectinophora gossypiella (Saund.) and the spiny bollworm Earias insulana (Boisd.) infesting cotton



Zeitschrift fur Angewandte Entomologie 69(3): 330-336



In a study carried out at Shambat, in the Sudan, during 1970-71, it was observed that the percentage infestation of young shoots and open flowers of cotton by Earias insulana (Boisd.) at the beginning of the season was 0.4 and 2.5, respectively. Flower-buds were infested by this species early in the season, whereas infestation by Pectinophora gossypiella (Saund.) occurred in the second half and was much lighter.

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Accession: 000206585

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DOI: 10.1111/j.1439-0418.1971.tb03216.x


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