LETHAL AND SUBLETHAL EFFECTS OF ABAMECTIN AND DELTAMETHRIN ON POTATO TUBER MOTH, PHTHORIMAEA OPERCULELLA (LEPIDOPTERA: GELECHIIDAE)

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RAFIEE DASTJERDI HOOSHANG; MASHHADI ZAINAB; SHEIKHI GARJAN AZIZ

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Journal: JOURNAL OF CROP PROTECTION Year:2013 | Volume:2 | Issue:4 Page(s): 403-409

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Title

LETHAL AND SUBLETHAL EFFECTS OF ABAMECTIN AND DELTAMETHRIN ON POTATO TUBER MOTH, PHTHORIMAEA OPERCULELLA (LEPIDOPTERA: GELECHIIDAE)

Author(s)

RAFIEE DASTJERDI HOOSHANG | MASHHADI ZAINAB | SHEIKHI GARJAN AZIZ | Issue Writer Certificate

Keywords

PHTHORIMAEA OPERCULELLAQ1

LETHALQ2

SUBLETHALQ2

INSECTICIDESQ2

DEMOGRAPHYQ2

Abstract

The potato tuber moth (PTM), PHTHORIMAEA OPERCULELLA (Zeller) is one of the important pests of potato in tropical regions. In this research, the toxicity of two INSECTICIDES, abamectin and deltamethrin on P. operculella was studied at 26±1 oC, 65±5% RH and photoperiod of 16:8 h (L: D). The concentrations were determined by preliminary dose setting experiments. Distilled water was used as control. LC50 values for egg, first instar larvae and adult stage for abamectin were 0.92, 0.014 and 0.46 mg ai/l and for deltamethrin were 0.09, 0.024 and 0.29 mg ai/l, respectively. The SUBLETHAL effects of abamectin and deltamethrin on population growth parameters of P. operculella were determined at mentioned conditions. Four hundred 1 day old eggs of the pest were dipped in INSECTICIDES solutions (LC30). After egg hatching, the first instar larvae were transferred on potato tubers and placed in transparent plastic dishes. After adults' emergence, 20 females were used for each treatment in life table experiments. Intrinsic rates of increase were estimated to be 0.060, 0.042 and 0.141 day-1 In control, abamectin and deltamethrin treatments, respectively. Statistical analyses showed that deltamethrin caused higher toxicity to egg and adult stages of PTM while abamectin caused higher toxicity to its first instar larvae. Since deltamethrin increased the stable population parameters of P. operculella specially its intrinsic rate of increase, thus it might not be recommended for control of PTM. However based on LETHAL and SUBLETHAL effects, abamectin could be suitable for management of this pest.

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APA: Copy

RAFIEE DASTJERDI, HOOSHANG, MASHHADI, ZAINAB, & SHEIKHI GARJAN, AZIZ. (2013). LETHAL AND SUBLETHAL EFFECTS OF ABAMECTIN AND DELTAMETHRIN ON POTATO TUBER MOTH, PHTHORIMAEA OPERCULELLA (LEPIDOPTERA: GELECHIIDAE). JOURNAL OF CROP PROTECTION, 2(4), 403-409. SID. https://sid.ir/paper/239132/en

Vancouver: Copy

RAFIEE DASTJERDI HOOSHANG, MASHHADI ZAINAB, SHEIKHI GARJAN AZIZ. LETHAL AND SUBLETHAL EFFECTS OF ABAMECTIN AND DELTAMETHRIN ON POTATO TUBER MOTH, PHTHORIMAEA OPERCULELLA (LEPIDOPTERA: GELECHIIDAE). JOURNAL OF CROP PROTECTION[Internet]. 2013;2(4):403-409. Available from: https://sid.ir/paper/239132/en

IEEE: Copy

HOOSHANG RAFIEE DASTJERDI, ZAINAB MASHHADI, and AZIZ SHEIKHI GARJAN, “LETHAL AND SUBLETHAL EFFECTS OF ABAMECTIN AND DELTAMETHRIN ON POTATO TUBER MOTH, PHTHORIMAEA OPERCULELLA (LEPIDOPTERA: GELECHIIDAE),” JOURNAL OF CROP PROTECTION, vol. 2, no. 4, pp. 403–409, 2013, [Online]. Available: https://sid.ir/paper/239132/en

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