INVESTIGATION ON SPATIAL DISPERSION OF SUGARCANE PINK STEM BORERS SESAMIASPP. (LEP.: NOCTUIDAE) IN SUGARCANE FIELDS

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PARIAN H.; SERAJ A.A.; ASKARIANZADEH A.R.; MOHISENI A.

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Journal: Plant Protection Year:2012 | Volume:35 | Issue:1 Page(s): 15-24

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Title

INVESTIGATION ON SPATIAL DISPERSION OF SUGARCANE PINK STEM BORERS SESAMIASPP. (LEP.: NOCTUIDAE) IN SUGARCANE FIELDS

Author(s)

PARIAN H. | SERAJ A.A. | ASKARIANZADEH A.R. | MOHISENI A. | Issue Writer Certificate

Keywords

SPATIAL DISPERSIONQ2

STEM BORERSQ2

SESAMIA SPP.Q2

SUGARCANEQ2

KHUZESTANQ2

Abstract

Sugarcane pink STEM BORERS, SESAMIA SPP., are the key pests of SUGARCANE in the south of KHUZESTAN province, Iran. These pests damage heavily the SUGARCANE crop and sugar product every year. In this research, SPATIAL DISPERSION of the STEM BORERS populations were studied in three SUGARCANE fields (25 hectare each, Cp69-1062 cultivar) in 2008.Sampling was carried out monthly in seven stages. External symptoms of pest damage were used as a population indicator and the number of infested stems and internodes of SUGARCANE were recorded in each sampling station. In order to determine the type of pest SPATIAL DISPERSION in these three fields, various classical statistics indices were used.In all sampling stages, values of the variance to mean proportion index, index of Patchiness and Morisita’s index were significantly higher than one, and values of 1/k index and Green’s index were higher than zero. The obtained results of all indices indicated that SPATIAL DISPERSION of SESAMIA SPP. was aggregated. The regression coefficients of Taylor’s power law b and Iwao’s b were determined 1.45±0.065 and 1.18±0.031, respectively. Thus, they had significant difference from one, and both indicated the aggregated SPATIAL DISPERSION for the pest life. Based on R2 and P-values of regression analysis, Iwao’s patchiness showed a better fitness for pest SPATIAL DISPERSION data in comparison with Taylor’s power law.

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APA: Copy

PARIAN, H., SERAJ, A.A., ASKARIANZADEH, A.R., & MOHISENI, A.. (2012). INVESTIGATION ON SPATIAL DISPERSION OF SUGARCANE PINK STEM BORERS SESAMIASPP. (LEP.: NOCTUIDAE) IN SUGARCANE FIELDS. PLANT PROTECTION (SCIENTIFIC JOURNAL OF AGRICULTURE), 35(1), 15-24. SID. https://sid.ir/paper/164921/en

Vancouver: Copy

PARIAN H., SERAJ A.A., ASKARIANZADEH A.R., MOHISENI A.. INVESTIGATION ON SPATIAL DISPERSION OF SUGARCANE PINK STEM BORERS SESAMIASPP. (LEP.: NOCTUIDAE) IN SUGARCANE FIELDS. PLANT PROTECTION (SCIENTIFIC JOURNAL OF AGRICULTURE)[Internet]. 2012;35(1):15-24. Available from: https://sid.ir/paper/164921/en

IEEE: Copy

H. PARIAN, A.A. SERAJ, A.R. ASKARIANZADEH, and A. MOHISENI, “INVESTIGATION ON SPATIAL DISPERSION OF SUGARCANE PINK STEM BORERS SESAMIASPP. (LEP.: NOCTUIDAE) IN SUGARCANE FIELDS,” PLANT PROTECTION (SCIENTIFIC JOURNAL OF AGRICULTURE), vol. 35, no. 1, pp. 15–24, 2012, [Online]. Available: https://sid.ir/paper/164921/en

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