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6 January 2020 Effect of Different Fruit Developmental Stages and Biochemical Metabolites of Pomegranate (Ponicaceae) on Life History Parameters of Ectomyelois ceratoniae (Lepidoptera: Pyralidae)
Zahra Abedi, Ali Golizadeh, Mahmoud Soufbaf, Mahdi Hassanpour, Ali Jafari-Nodoushan, Hamid-Reza Akhavan
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Abstract

Plant–herbivore interactions can be influenced by plant developmental stages. Effects of four different developmental stages of pomegranate fruit (Hazelnut size, Walnut size, Juicy, and Ripe) were investigated on life table parameters, nutritional yield, and energy contents (protein, glycogen, and lipid) of Ectomyelois ceratoniae (Zeller) under controlled conditions in two pomegranate cultivars, namely Shahvare-Danesefid and Esfahani-Daneghermez as susceptible and resistant cultivars, respectively. Biochemical characteristics of the four developmental stages were determined, and a correlation was made with life-history and nutritional responses of E. ceratoniae. Significant differences were observed in developmental time and adult fecundity of E. ceratoniae across various tested stages in both pomegranate cultivars. The highest value of intrinsic rate of increase (rm) was found in Juicy and lowest in Hazelnut-size stage of Shahvare-Danesefid. The highest rm value was on Walnut-size and Juicy stages, and the lower rate was obtained from the feeding of E. ceratoniae on Ripe and Hazelnut-size stages in Esfahani-Daneghermez. A higher relative growth rate (RGR) was observed in Juicy (in Shahvare-Danesefid) and Walnut-size stages (in Esfahani-Daneghermez) when compared with other developmental stages tested. Life-history parameters of E. ceratoniae were correlated with biochemical qualities of pomegranate stages. Results indicated Juicy (Shahvare-Danesefid) and Walnut-size stages (Esfahani-Daneghermez) were relatively susceptible pomegranate stages, and Hazelnut-size and Ripe stages were unsuitable for feeding of E. ceratoniae in Shahvare-Danesefid and Esfahani-Daneghermez, respectively. Findings of this research could aid in the development of integrated management programs of E. ceratoniae in pomegranate orchards.

© The Author(s) 2020. Published by Oxford University Press on behalf of Entomological Society of America. All rights reserved. For permissions, please e-mail: journals.permissions@oup.com.
Zahra Abedi, Ali Golizadeh, Mahmoud Soufbaf, Mahdi Hassanpour, Ali Jafari-Nodoushan, and Hamid-Reza Akhavan "Effect of Different Fruit Developmental Stages and Biochemical Metabolites of Pomegranate (Ponicaceae) on Life History Parameters of Ectomyelois ceratoniae (Lepidoptera: Pyralidae)," Journal of Economic Entomology 113(2), 964-973, (6 January 2020). https://doi.org/10.1093/jee/toz366
Received: 13 May 2019; Accepted: 21 December 2019; Published: 6 January 2020
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KEYWORDS
demographical parameter
insect–plantinteraction
phenological growth stage
pomegranate phytochemical metabolite
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