BINOMIAL SAMPLING PLAN OF METOPOLOPHIUM DIRHODUM IN IRRIGATED WHEAT FIELDS

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SHAHROKHI KHANGHAH SHAHRAM; AMIR MOAFI MASOUD

مرکز اطلاعات علمی Scientific Information Database (SID) - Trusted Source for Research and Academic Resources

Journal Paper

Paper Information

Journal: Applied Entomology and Phytopathology Year:2011 | Volume:79 | Issue:1 (92) Page(s): 117-133

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Information Journal Paper

Title

BINOMIAL SAMPLING PLAN OF METOPOLOPHIUM DIRHODUM IN IRRIGATED WHEAT FIELDS

Author(s)

SHAHROKHI KHANGHAH SHAHRAM | AMIR MOAFI MASOUD | Issue Writer Certificate

Keywords

METOPOLOPHIUM DIRHODUM

BINOMIAL SAMPLING

MONITORING

IRRIGATED WHEAT

Abstract

Binomial sampling plans was developed for MONITORING METOPOLOPHIUM DIRHODUM population in wheat fields of Varamin region, Iran. Aphid population was sampled weekly during two growing seasons of 2001-2002. In each sampling date, 50 wheat stems were chosen randomly and the number of aphids was counted and the data was used for developing BINOMIAL SAMPLING plan. The results indicated that the sample size estimated from the binomial method was larger than the enumerative method at the density lower than one aphid per tiller. However, a larger sample size was required in enumerative method at higher aphid densities. Analysis of the linear regression between the observed and estimated proportions of wheat tillers infested with M. dirhodum showed good fit between the binomial model and the data. Applying the model, it was possible to estimate the mean aphid population densities observed in this study (0.02-20.18 aphid/tiller). The results revealed that the developed BINOMIAL SAMPLING plan at precision levels of D=0.25 (acceptable precision level in IPM) could be applied to reduce sampling time in MONITORING programs of M. dirhodum in IRRIGATED WHEAT fields of Varamin region.

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APA: Copy

SHAHROKHI KHANGHAH, SHAHRAM, & AMIR MOAFI, MASOUD. (2011). BINOMIAL SAMPLING PLAN OF METOPOLOPHIUM DIRHODUM IN IRRIGATED WHEAT FIELDS. APPLIED ENTOMOLOGY AND PHYTOPATHOLOGY, 79(1 (92)), 117-133. SID. https://sid.ir/paper/574236/en

Vancouver: Copy

SHAHROKHI KHANGHAH SHAHRAM, AMIR MOAFI MASOUD. BINOMIAL SAMPLING PLAN OF METOPOLOPHIUM DIRHODUM IN IRRIGATED WHEAT FIELDS. APPLIED ENTOMOLOGY AND PHYTOPATHOLOGY[Internet]. 2011;79(1 (92)):117-133. Available from: https://sid.ir/paper/574236/en

IEEE: Copy

SHAHRAM SHAHROKHI KHANGHAH, and MASOUD AMIR MOAFI, “BINOMIAL SAMPLING PLAN OF METOPOLOPHIUM DIRHODUM IN IRRIGATED WHEAT FIELDS,” APPLIED ENTOMOLOGY AND PHYTOPATHOLOGY, vol. 79, no. 1 (92), pp. 117–133, 2011, [Online]. Available: https://sid.ir/paper/574236/en

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