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Your search keyword '"Grissa-Lebdi, Kaouthar"' showing total 15 results
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15 results on '"Grissa-Lebdi, Kaouthar"'

14. Effectiveness of different management strategies against Ectomyeloïs ceratoniaeZeller (Lepidoptera: Pyralidae) in citrus orchards in Tunisia

Author

Alloui-Griza, Rafika, Attia, Sabrine, Cherif, Asma, Hamdi, Faten, and Grissa-Lebdi, Kaouthar

Abstract

ABSTRACTEctomyelois ceratoniae(Zeller) is a cosmopolitan pest that affects many crops worldwide. The present study was performed to refine our knowledge about density and damage of this pest on Navel oranges in northern Tunisia and to evaluate the effectiveness of four alternative methods including, cultural control, mass trapping, Trichogramma cacoeciae(Marchal) releases and mating disruption. Results showed that E. ceratoniaepopulations increased from April to November. All trials were effective in decreasing E. ceratoniaepopulations on citrus fruits. The most effective management was mating disruption combined with T. cacoeciaerelease (30,000 Trichogramms/ha), with a reduction rate of E. ceratoniaeof 62.8% after treatment. Mass trapping using delta traps combined with Trichogrammareleases (25,000 T/ha) may be a promising alternative for limiting E. ceratoniaepopulations. It has also been shown that a density of 10 delta traps/ha can reduce the infestation rate of E. ceratoniae. Furthermore, control by successive T. cacoeciaereleases at a density of 20,000 T/ha shows its effectiveness. Our results for improving management of E. ceratoniaein citrus orchards are highlighted and discussed herein.

Published
2022
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15. Efficacy of Food Attractants and Attract-and-Kill System to Control Dacus ciliatus (Loew) (Tephritidae: Diptera): New Recorded Pest in Northern Tunisia.

Author

GHALLEB, Yosr, CHERIF, Asma, and GRISSA-LEBDI, Kaouthar

Subjects
*TEPHRITIDAE, *DIPTERA, *FRUIT flies, *DIAMMONIUM phosphate, *PROTEIN hydrolysates, *PHEROMONE traps, *CUCUMBERS
Abstract

Some morphological features of Dacus ciliatus (Loew) reported for the first time in Tunisia were studied herein. Also during this study, the efficacy of food attractants and attract-and-kill devices were tested against D. ciliatus. To do so, McPhail® traps baited with diammonium phosphate (DAP©) and protein hydrolysate (Ceratrap©), already known as food attractants for fruit flies, were compared in zucchini and cucumber crops. A novel attract and kill system (Ceranock© female and male) was also applied in the two cited crops. Moreover, our data highlighted the usefulness of DAP© as effective food attractant with a high number of trapped adults compared to Ceratrap© baited traps. Few adults were recorded by Ceratrap© only in Zucchini treated crop 1 (0.42±0.49 and 0.28±0.69 respectively for males and females) compared to the other surveyed crops. Attract and kill system achieved good control of the pest by decreasing the number of captured flies in treated crops compared to the untreated crops. The use of attract and kill system showed promising results and can successfully be used to manage the lesser pumpkin fly in Tunisian cucurbit crops. [ABSTRACT FROM AUTHOR]

Published
2023
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