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Efficacy of aggregation nano gel pheromone traps on the catchability of Rhynchophorus ferrugineus (Olivier) in Egypt / Eficácia das armadilhas de feromônio de nano gel de agregação na capturabilidade de Rhynchophorus ferrugineus (Olivier) no Egito
El-Wahab, A. S. Abd; El-Fattah, A. Y. Abd; El-Shafei, W. K. M; El-Helaly, A. A.
  • El-Wahab, A. S. Abd; Cairo University. Faculty of Agriculture. Department of Economic Entomology and Pesticides. Giza. EG
  • El-Fattah, A. Y. Abd; Cairo University. Faculty of Agriculture. Department of Economic Entomology and Pesticides. Giza. EG
  • El-Shafei, W. K. M; Agricultural Research Center ARC. Central Laboratory for Date Palm. Department of Date Palm Pests and Diseases. Giza. EG
  • El-Helaly, A. A; Cairo University. Faculty of Agriculture. Department of Economic Entomology and Pesticides. Giza. EG
Braz. j. biol ; 81(2): 452-460, 2021. tab, graf, ilus
Article in English | LILACS, VETINDEX | ID: biblio-1153359
ABSTRACT
Field experiments were carried out in the reclaimed land east of Cairo-Alexandria Desert Road, Village of Wardan, Giza Governorate, Egypt, to evaluate the impact of using nano-gels pheromone for the first time on the attraction of the RPW adults by pheromone traps compared to the control which is normal pheromone during two successive seasons in 2018 and 2019. Also, this study aimed to compare the efficacy of two types of trap, traditional trap (type 1) and dry funnel trap (type 2) in capturing of RPW adults. Results revealed that the nano gel pheromone traps attracted significantly more adults with an average of (4.26 and 3.56) adults/trap and total of (55.33 and 46.33) adults/trap compared to control with an average (2.69 and 2.46) and total of (35.00 and 32.00) adults/trap for the two seasons 2018 and 2019 respectively. Results indicated that the use of nano gel pheromone for the first time in field improved the trap catchability to RPW adults by 22.51 and 18.30% of total number of RPW adults captured throw out the two successive seasons respectively. In addition, there was no significant difference between the total numbers of RPW adults collected by the two tested type of traps over the two successive seasons. Furthermore, the sex ratio between males and females of total collected RPW adults found to be1 1.43 and 1 1.94 at 2018 and 2019 respectively.
RESUMO
Experimentos de campo foram realizados na terra recuperada a leste da estrada do deserto de Cairo-Alexandria, vila de Wardan, província de Giza, Egito, para avaliar o impacto do uso de feromônio de nano géis pela primeira vez na atração de adultos RPW por armadilhas de feromônio comparado ao controle que é o feromônio normal durante duas temporadas sucessivas em 2018 e 2019. Além disso, este estudo teve como objetivo comparar a eficácia de dois tipos de armadilha, armadilha tradicional (tipo 1) e armadilha de funil seco (tipo 2) na captura de RPW adultos. Os resultados revelaram que as armadilhas de nano gel de feromônio atraíram significativamente mais adultos, com uma média de (4,26 e 3,56) adultos/armadilha e total de (55,33 e 46,33) adultos/armadilha em comparação ao controle com uma média (2,69 e 2,46) e total de (35.00 e 32.00) adultos/armadilha para as duas temporadas 2018 e 2019, respectivamente. Os resultados indicaram que o uso de feromônio nano gel pela primeira vez em campo melhorou a capturabilidade de armadilhas para adultos com RPW em 22,51 e 18,30% do número total de adultos com RPW capturados durante as duas estações sucessivas, respectivamente. Além disso, não houve diferença significativa entre o número total de adultos RPW coletados pelos dois tipos de armadilhas testados ao longo das duas estações sucessivas. Além disso, a proporção sexual entre homens e mulheres do total de adultos coletados de RPW foi de 1 1,43 e 1 1,94 em 2018 e 2019, respectivamente.
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Full text: Available Index: LILACS (Americas) Main subject: Pheromones / Weevils Limits: Animals Country/Region as subject: Africa Language: English Journal: Braz. j. biol Year: 2021 Type: Article Institution/Affiliation country: Agricultural Research Center ARC/EG / Cairo University/EG

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Full text: Available Index: LILACS (Americas) Main subject: Pheromones / Weevils Limits: Animals Country/Region as subject: Africa Language: English Journal: Braz. j. biol Year: 2021 Type: Article Institution/Affiliation country: Agricultural Research Center ARC/EG / Cairo University/EG