Spatial mapping of the common pistachio psylla, Agonoscena pistaciae: A case study in the Rafsanjan region, Iran

The common pistachio psylla Agonoscena pistaciae is a key pest of pistachio in Iran. A study was conducted to determine the spatial distribution ofpsyllanymphs and eggs in a 10 ha pistachio orchard in the Rafsanjan region, southeast of Iran. Three rows, each containing 33 trees (totally 99 trees), w...

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Main Authors: Elham Mohammadi, Mohammad Rohani, Isa Esfandiarpour, Hamzeh Izadi
Format: Article
Language:English
Published: University of Tarbiat Modares 2015-12-01
Series:Journal of Crop Protection
Subjects:
Online Access:http://jcp.modares.ac.ir/article-3-2762-en.html
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author Elham Mohammadi
Mohammad Rohani
Isa Esfandiarpour
Hamzeh Izadi
author_facet Elham Mohammadi
Mohammad Rohani
Isa Esfandiarpour
Hamzeh Izadi
author_sort Elham Mohammadi
collection DOAJ
description The common pistachio psylla Agonoscena pistaciae is a key pest of pistachio in Iran. A study was conducted to determine the spatial distribution ofpsyllanymphs and eggs in a 10 ha pistachio orchard in the Rafsanjan region, southeast of Iran. Three rows, each containing 33 trees (totally 99 trees), were randomly selected in the orchard based on a stratified sampling scheme. In each of the selected trees, three positions in the crown (top, middle and bottom) were considered. One leaf from each position as sampling unit (totally 297 samples) was clipped and number of nymphs and eggs were counted. Ordinary kriged maps were achieved for nymphs and eggs of the three positions using a variogram function. Results indicated the highest and lowest density of the nymphs occurred on the top and bottom positions of the crown, respectively. Eggs of the common pistachio psylla were laid mostly on the bottom of the pistachio crown.
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spelling doaj.art-a2dbc0fe10b141c589342e72eb7930c22022-12-22T02:11:39ZengUniversity of Tarbiat ModaresJournal of Crop Protection2251-90412251-905X2015-12-0145747756Spatial mapping of the common pistachio psylla, Agonoscena pistaciae: A case study in the Rafsanjan region, IranElham Mohammadi0Mohammad Rohani1Isa Esfandiarpour2Hamzeh Izadi3 Department of Plant Protection, Faculty of Agriculture, Vali-e-Asr University of Rafsanjan, Rafsanjan, Iran. Department of Plant Protection, Faculty of Agriculture, Vali-e-Asr University of Rafsanjan, Rafsanjan, Iran. Department of Soil Science, Faculty of Agriculture, Vali-e-Asr University of Rafsanjan, Rafsanjan, Iran. Department of Plant Protection, Faculty of Agriculture, Vali-e-Asr University of Rafsanjan, Rafsanjan, Iran. The common pistachio psylla Agonoscena pistaciae is a key pest of pistachio in Iran. A study was conducted to determine the spatial distribution ofpsyllanymphs and eggs in a 10 ha pistachio orchard in the Rafsanjan region, southeast of Iran. Three rows, each containing 33 trees (totally 99 trees), were randomly selected in the orchard based on a stratified sampling scheme. In each of the selected trees, three positions in the crown (top, middle and bottom) were considered. One leaf from each position as sampling unit (totally 297 samples) was clipped and number of nymphs and eggs were counted. Ordinary kriged maps were achieved for nymphs and eggs of the three positions using a variogram function. Results indicated the highest and lowest density of the nymphs occurred on the top and bottom positions of the crown, respectively. Eggs of the common pistachio psylla were laid mostly on the bottom of the pistachio crown.http://jcp.modares.ac.ir/article-3-2762-en.htmlagonoscena pistaciaegeostatisticskrigingpistachiorafsanjan
spellingShingle Elham Mohammadi
Mohammad Rohani
Isa Esfandiarpour
Hamzeh Izadi
Spatial mapping of the common pistachio psylla, Agonoscena pistaciae: A case study in the Rafsanjan region, Iran
Journal of Crop Protection
agonoscena pistaciae
geostatistics
kriging
pistachio
rafsanjan
title Spatial mapping of the common pistachio psylla, Agonoscena pistaciae: A case study in the Rafsanjan region, Iran
title_full Spatial mapping of the common pistachio psylla, Agonoscena pistaciae: A case study in the Rafsanjan region, Iran
title_fullStr Spatial mapping of the common pistachio psylla, Agonoscena pistaciae: A case study in the Rafsanjan region, Iran
title_full_unstemmed Spatial mapping of the common pistachio psylla, Agonoscena pistaciae: A case study in the Rafsanjan region, Iran
title_short Spatial mapping of the common pistachio psylla, Agonoscena pistaciae: A case study in the Rafsanjan region, Iran
title_sort spatial mapping of the common pistachio psylla agonoscena pistaciae a case study in the rafsanjan region iran
topic agonoscena pistaciae
geostatistics
kriging
pistachio
rafsanjan
url http://jcp.modares.ac.ir/article-3-2762-en.html
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AT mohammadrohani spatialmappingofthecommonpistachiopsyllaagonoscenapistaciaeacasestudyintherafsanjanregioniran
AT isaesfandiarpour spatialmappingofthecommonpistachiopsyllaagonoscenapistaciaeacasestudyintherafsanjanregioniran
AT hamzehizadi spatialmappingofthecommonpistachiopsyllaagonoscenapistaciaeacasestudyintherafsanjanregioniran