EFFECT OF TEMPERATURE ON DEVELOPMENTAL RATE OF HIPPODAMIA VARIEGATA BY FEEDING ON POMEGRANATE GREEN APHID, APHIS PUNICAE

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RAMAZANI IMAN; SAMIH MOHAMMAD AMIN

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Journal: BIO CONTROL IN PLANT PROTECTION Year:2015 | Volume:3 | Issue:2 Page(s): 19-34

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Title

EFFECT OF TEMPERATURE ON DEVELOPMENTAL RATE OF HIPPODAMIA VARIEGATA BY FEEDING ON POMEGRANATE GREEN APHID, APHIS PUNICAE

Author(s)

RAMAZANI IMAN | SAMIH MOHAMMAD AMIN | Issue Writer Certificate

Keywords

DEGREE DAYQ2

POMEGRANATEQ1

THERMAL CONSTANTQ2

Abstract

Characteristics such as lower developmental time, higher fertility and a large body size of natural enemies as biological control agents are important for mass rearing. Hippodamia variegate (Goeze) (Col.: Coccinellidae) is one of the major predators of pests in the gardens of Iran. The effect of six constant temperatures, 17.5, 20, 22.5, 25, 27.5 and 30 (±1) ºC were investigated on the development of the predator by feeding on the POMEGRANATE green aphidAphis punicae (Hem.: Aphididae) in growth chamber with 65±5%RH and 16L: 8D h conditions. The results showed that there were significant differences among developmental times of the studied coccinellid in examined temperatures. The developmental time of H. variegata were 46.01 ± 1.541, 23.77 ± 0.311, 16.02 ± 0.16, 11.66 ± 0.12, 10.45 ± 0.20 and 13.35 ± 0.33 days on above mentioned temperatures, respectively. Developmental rate of predatory coccinellid increased linearly in relation to temperature to 27.5 ºC. The lowest mortality was observed at 20 and 27.5ºC among the above mentioned temperatures. Two mathematical models, including common and Ikemoto and Takai linear models, were used to describe temperature-dependent development of theH. variegata. Based on the statistical criteria, whereas the common linear model had shown an acceptable fit to data, Ikemoto and Takai linear model estimated thermal indices more precisely than common linear model. Estimated values for lower temperature threshold for incubation period, total larval period, pupal period and overall immature stages of the H. variegata were 11.15, 14.13, 15.52 and 13.99 °C, respectively, and the values of the thermal requirement for the mentioned above developmental stages were 44.69, 79.22, 23.62 and 157.34 degree-days, respectively, by using Ikemoto and Takai linear model. Moreover, mathematical models for description of temperature-dependent development of the coccinellid developmental stages were presented. The results show that optimum temperature was 25 to 27.5ºC for the rearing of the lady beetle.

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APA: Copy

RAMAZANI, IMAN, & SAMIH, MOHAMMAD AMIN. (2015). EFFECT OF TEMPERATURE ON DEVELOPMENTAL RATE OF HIPPODAMIA VARIEGATA BY FEEDING ON POMEGRANATE GREEN APHID, APHIS PUNICAE. BIO CONTROL IN PLANT PROTECTION, 3(2), 19-34. SID. https://sid.ir/paper/243005/en

Vancouver: Copy

RAMAZANI IMAN, SAMIH MOHAMMAD AMIN. EFFECT OF TEMPERATURE ON DEVELOPMENTAL RATE OF HIPPODAMIA VARIEGATA BY FEEDING ON POMEGRANATE GREEN APHID, APHIS PUNICAE. BIO CONTROL IN PLANT PROTECTION[Internet]. 2015;3(2):19-34. Available from: https://sid.ir/paper/243005/en

IEEE: Copy

IMAN RAMAZANI, and MOHAMMAD AMIN SAMIH, “EFFECT OF TEMPERATURE ON DEVELOPMENTAL RATE OF HIPPODAMIA VARIEGATA BY FEEDING ON POMEGRANATE GREEN APHID, APHIS PUNICAE,” BIO CONTROL IN PLANT PROTECTION, vol. 3, no. 2, pp. 19–34, 2015, [Online]. Available: https://sid.ir/paper/243005/en

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