Effect of Extracts of Five Plant Species on 2nd instar larvae of Colorado Potato Beetle, Leptinotarsa decemlineata (Say) (Coleoptera: Chrysomelidae)

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Rostami Jeivan n.; HEJAZI M.J.; KARIMZADEH R.

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Journal: Journal of Applied Research in Plant Protection Year:2017 | Volume:6 | Issue:1 Page(s): 87-99

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Title

Effect of Extracts of Five Plant Species on 2nd instar larvae of Colorado Potato Beetle, Leptinotarsa decemlineata (Say) (Coleoptera: Chrysomelidae)

Author(s)

Rostami Jeivan n. | HEJAZI M.J. | KARIMZADEH R. | Issue Writer Certificate

Keywords

BioassayQ2

WalnutQ2

ElderberryQ1

Sweet wormwoodQ1

SavoryQ1

SalviaQ1

Abstract

Colorado potato beetle is one of the most important insect pests of potato plants. Frequently and prolonged use of chemical pesticides for controlling this pest, has caused environmental pollution, pest resistance to pesticides and destruction of natural enemies. Some herbal extracts are more degradable and relatively safer than most of the synthetic insecticides and can be used as suitable alternatives in integrated management of Colorado potato beetle. In this study, the effects of leaf extracts of Juglans regia, Sambucus ebulus, Artemisia annua, Satureja sahendica and Salvia sahendica were studied on 2nd instar larvae of Colorado potato beetle, Leptinotarsa decemlineata in laboratory conditions at 26 ± 2 ° C, 55± 5% RH and a photoperiod of 16: 8 (L: D). Potato leaves were treated with 0. 625, 1. 25, 2. 5, 5 and 10% concentrations of the plant extracts using leaf-dipping method. Control leaves were dipped in either methanol or distilled water only. Each treatment consisted of 20 up to 24 h old 2nd instar larvae and had three replicates. Mortality of the larvae was recorded 24, 48, 72 and 96 hours after treatment. The results showed that extracts of Juglans regia, Satureja sahendica and Artemisia annua were more toxic to 2nd instar larvae of the Colorado beetle than Salvia sahendica and Sambucus ebulus. Ninety six hours after treatment, 10% concentration of J. regia, S. sahendica and A. annua caused 93. 33, 91. 67 and 73. 33% mortality and 5% concentration of these extracts caused 58. 9, 100 and 48. 2% mortality in Colorado potato beetle larvae, respectively. As expected, the mortality decreased with decreasing concentrations. According to the high mortality percent, especially in high concentrations, the extracts of these plants, can be used as potential botanicals for integrated management of Colorado potato beetle.

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APA: Copy

Rostami Jeivan, n., HEJAZI, M.J., & KARIMZADEH, R.. (2017). Effect of Extracts of Five Plant Species on 2nd instar larvae of Colorado Potato Beetle, Leptinotarsa decemlineata (Say) (Coleoptera: Chrysomelidae). JOURNAL OF APPLIED RESEARCHES IN PLANT PROTECTION, 6(1 ), 87-99. SID. https://sid.ir/paper/237608/en

Vancouver: Copy

Rostami Jeivan n., HEJAZI M.J., KARIMZADEH R.. Effect of Extracts of Five Plant Species on 2nd instar larvae of Colorado Potato Beetle, Leptinotarsa decemlineata (Say) (Coleoptera: Chrysomelidae). JOURNAL OF APPLIED RESEARCHES IN PLANT PROTECTION[Internet]. 2017;6(1 ):87-99. Available from: https://sid.ir/paper/237608/en

IEEE: Copy

n. Rostami Jeivan, M.J. HEJAZI, and R. KARIMZADEH, “Effect of Extracts of Five Plant Species on 2nd instar larvae of Colorado Potato Beetle, Leptinotarsa decemlineata (Say) (Coleoptera: Chrysomelidae),” JOURNAL OF APPLIED RESEARCHES IN PLANT PROTECTION, vol. 6, no. 1 , pp. 87–99, 2017, [Online]. Available: https://sid.ir/paper/237608/en

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