THE QUANTITATIVE LOSS ASSESSMENT OF SUNN PEST OF WHEAT (EURYGASTER INTEGRICEPS PUT.) IN GHAZVIN REGION

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NOORI H.; AZMAYESHFARD P.; KHARAZI PAKDEL A.; ABD ELAHI GHOLAM ABAS; NOURI GHANBALANI GH.

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Journal: Applied Entomology and Phytopathology Year:2002 | Volume:69 | Issue:2 Page(s): 155-170

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Title

THE QUANTITATIVE LOSS ASSESSMENT OF SUNN PEST OF WHEAT (EURYGASTER INTEGRICEPS PUT.) IN GHAZVIN REGION

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Keywords

SUNN PEST (EURYGASTER INTEGRICEPS PUT.)Q2

LOSS ASSESSMENTQ3

WHEATQ2

GHAZVINQ4

Abstract

One of the fundamental aspects in integrated Sunn pest management is that to consider economic injury level for appropriate control application. The aim of present study, was to assest quantitative losses caused by Sunn pest on WHEAT crop in GHAZVIN during 1998- 1999. In order to achive the above mentioned goal, were used cages with the dimension 2X 1.5X1.8 meter. Sunn pest quantitative LOSS ASSESSMENT was at the ft.amework of factorial test based on randomized complete block design with five replications .The first factor were Alvand and Zarrin WHEAT varities and the second factor were over wintered adult Sunn pest densities including 0,2,4,6.8, 10, 12.15, 17,20 individual per square meter. The factors involved in assessing consisted of the yield, number of damaged spike and shoot ,the weight of 1000 grains and yield reduction.The ersults of study were as follows : The yield loss mean in over wintered adult densities for Alvand WHEAT variety included 123.5,80.03,53.5,50.49,45.5,38.28,4087, 41.98,38.66 Kilograms per Hectre and 83.55,68.1,50.67,40.43,44.8,41.26,42.53,43.19,46.18 Kilograms per Hectre for zarrin WHEAT variety. Results showed that, there was a linear regression between pest population densities and yield reduction. Also there was positive correlation at 1% level between number of damaged spikes and shoots and reduction percentage on Alvand avd Zarrin varieties with adult Sunn pest population densities.

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APA: Copy

NOORI, H., AZMAYESHFARD, P., KHARAZI PAKDEL, A., ABD ELAHI, GHOLAM ABAS, & NOURI GHANBALANI, GH.. (2002). THE QUANTITATIVE LOSS ASSESSMENT OF SUNN PEST OF WHEAT (EURYGASTER INTEGRICEPS PUT.) IN GHAZVIN REGION. APPLIED ENTOMOLOGY AND PHYTOPATHOLOGY, 69(2), 155-170. SID. https://sid.ir/paper/13021/en

Vancouver: Copy

NOORI H., AZMAYESHFARD P., KHARAZI PAKDEL A., ABD ELAHI GHOLAM ABAS, NOURI GHANBALANI GH.. THE QUANTITATIVE LOSS ASSESSMENT OF SUNN PEST OF WHEAT (EURYGASTER INTEGRICEPS PUT.) IN GHAZVIN REGION. APPLIED ENTOMOLOGY AND PHYTOPATHOLOGY[Internet]. 2002;69(2):155-170. Available from: https://sid.ir/paper/13021/en

IEEE: Copy

H. NOORI, P. AZMAYESHFARD, A. KHARAZI PAKDEL, GHOLAM ABAS ABD ELAHI, and GH. NOURI GHANBALANI, “THE QUANTITATIVE LOSS ASSESSMENT OF SUNN PEST OF WHEAT (EURYGASTER INTEGRICEPS PUT.) IN GHAZVIN REGION,” APPLIED ENTOMOLOGY AND PHYTOPATHOLOGY, vol. 69, no. 2, pp. 155–170, 2002, [Online]. Available: https://sid.ir/paper/13021/en

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