Spatial distribution of Italian locust, Calliptamus italicus (Orthoptera: Acrididae) in Khodafarin region, northwest of Iran

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IRANIPOUR SHAHZAD; Aalipour Mansour; Kazemi Mohammadhossein; NOURI GANBALANI GADIR

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Journal: Iranian Journal of Plant Protection Science Year:2017 | Volume:48 | Issue:1 Page(s): 29-42

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Title

Spatial distribution of Italian locust, Calliptamus italicus (Orthoptera: Acrididae) in Khodafarin region, northwest of Iran

Author(s)

IRANIPOUR SHAHZAD | Aalipour Mansour | Kazemi Mohammadhossein | NOURI GANBALANI GADIR | Issue Writer Certificate

Keywords

LocustsQ1

OrthopteraQ2

population fluctuationQ2

spatial dynamicsQ2

Abstract

Annual aggressions of Italian locust, Calliptamus italicus (Linnaeus) (Orthoptera: Acrididae) at the gregary phase cause serious damages and reduce yields in crop production systems in Khodafarin region. Despite a long history of the pest in the region, no sampling program has been developed for its population estimate and management. During growing season 2011, the spatial distribution of the post-embryonic stages of this insect was studied as a major component of a sampling program. The discrepancy of sampling data from both poisson and negative binomial distributions was investigated using Pearson's Chi square test. Moreover, different crowding and contagiousness indices including dispersion index (ID), index of clumping of David & Moore (lDM), green index (Cx), mean crowding of Lloyd (x*), patchiness index of Lloyd (Ip), Arbous and Kerich's λ , Morisita index (lδ ) were used to strengthen the analyses. Taylor's power law and Iwao's regression techniques also were used to create a relation between means and variances. Results revealed that all stages have an aggregation tendency. Arbous and Kerrich's λ index was>2 in all samples and according to Blackith, it may suggest a combination of a behavioral cause of aggregation as well as an environmental one.

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APA: Copy

IRANIPOUR, SHAHZAD, Aalipour, Mansour, Kazemi, Mohammadhossein, & NOURI GANBALANI, GADIR. (2017). Spatial distribution of Italian locust, Calliptamus italicus (Orthoptera: Acrididae) in Khodafarin region, northwest of Iran. IRANIAN JOURNAL OF PLANT PROTECTION SCIENCE (IRANIAN JOURNAL OF AGRICULTURAL SCIENCES), 48(1 ), 29-42. SID. https://sid.ir/paper/171596/en

Vancouver: Copy

IRANIPOUR SHAHZAD, Aalipour Mansour, Kazemi Mohammadhossein, NOURI GANBALANI GADIR. Spatial distribution of Italian locust, Calliptamus italicus (Orthoptera: Acrididae) in Khodafarin region, northwest of Iran. IRANIAN JOURNAL OF PLANT PROTECTION SCIENCE (IRANIAN JOURNAL OF AGRICULTURAL SCIENCES)[Internet]. 2017;48(1 ):29-42. Available from: https://sid.ir/paper/171596/en

IEEE: Copy

SHAHZAD IRANIPOUR, Mansour Aalipour, Mohammadhossein Kazemi, and GADIR NOURI GANBALANI, “Spatial distribution of Italian locust, Calliptamus italicus (Orthoptera: Acrididae) in Khodafarin region, northwest of Iran,” IRANIAN JOURNAL OF PLANT PROTECTION SCIENCE (IRANIAN JOURNAL OF AGRICULTURAL SCIENCES), vol. 48, no. 1 , pp. 29–42, 2017, [Online]. Available: https://sid.ir/paper/171596/en

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