{"id":"https://openalex.org/W2000872200","doi":"https://doi.org/10.1093/aesa/63.3.815","title":"Photometric Device for Measuring Foliage Loss Caused by Insects1","display_name":"Photometric Device for Measuring Foliage Loss Caused by Insects1","publication_year":1970,"publication_date":"1970-05-15","ids":{"openalex":"https://openalex.org/W2000872200","doi":"https://doi.org/10.1093/aesa/63.3.815","mag":"2000872200"},"language":"en","primary_location":{"id":"doi:10.1093/aesa/63.3.815","doi":"https://doi.org/10.1093/aesa/63.3.815","is_oa":false,"landing_page_url":"https://doi.org/10.1093/aesa/63.3.815","pdf_url":null,"source":{"id":"https://openalex.org/S79992667","display_name":"Annals of the Entomological Society of America","issn_l":"0013-8746","issn":["0013-8746","1938-2901"],"is_oa":false,"is_in_doaj":false,"is_core":true,"listed_in":["cwts-core","dongbi-b","jufo-1","norway-1","poland-70","russia-white-list-1"],"host_organization":"https://openalex.org/P4310311648","host_organization_name":"Oxford University Press","host_organization_lineage":["https://openalex.org/P4310311648","https://openalex.org/P4310311647"],"host_organization_lineage_names":["Oxford University Press","University of Oxford"],"type":"journal"},"license":null,"license_id":null,"version":"publishedVersion","is_accepted":true,"is_published":true,"raw_source_name":"Annals of the Entomological Society of America","raw_type":"journal-article"},"volume":null,"type":"article","is_traditional":true,"indexed_in":["crossref"],"open_access":{"is_oa":false,"oa_status":"closed","oa_url":null,"any_repository_has_fulltext":false},"authorships":[{"author_position":"first","author":{"id":"https://openalex.org/A5059067091","display_name":"Larry P. Pedigo","orcid":null,"observed_orcids":[]},"institutions":[],"countries":[],"is_corresponding":false,"raw_author_name":"Larry P. Pedigo","raw_affiliation_strings":["Assistant Professor of Entomology"],"raw_orcid":null,"affiliations":[{"raw_affiliation_string":"Assistant Professor of Entomology","institution_ids":[]}]},{"author_position":"middle","author":{"id":"https://openalex.org/A5110330834","display_name":"Jay D. Stone","orcid":null,"observed_orcids":[]},"institutions":[],"countries":[],"is_corresponding":false,"raw_author_name":"Jay D. Stone","raw_affiliation_strings":["Graduate Research Assistant"],"raw_orcid":null,"affiliations":[{"raw_affiliation_string":"Graduate Research Assistant","institution_ids":[]}]},{"author_position":"last","author":{"id":"https://openalex.org/A5034015363","display_name":"Robert B. Clemen","orcid":null,"observed_orcids":[]},"institutions":[{"id":"https://openalex.org/I173911158","display_name":"Iowa State University","ror":"https://ror.org/04rswrd78","country_code":"US","type":"education","lineage":["https://openalex.org/I173911158"]}],"countries":["US"],"is_corresponding":false,"raw_author_name":"Robert B. Clemen","raw_affiliation_strings":["Undergraduate Student, NSF Undergraduate Participation Program. Project no. 1564","We thank Dr. John L. Stanford, Department of Physics, Towa State University for suggesting an appropriate lens and light source for this device. We appreciate also the recommendations of Dr. Edwin T. Hihhs, Department of Zoology and Entomology, Iowa State University regarding the manuscript"],"raw_orcid":null,"affiliations":[{"raw_affiliation_string":"Undergraduate Student, NSF Undergraduate Participation Program. Project no. 1564","institution_ids":[]},{"raw_affiliation_string":"We thank Dr. John L. Stanford, Department of Physics, Towa State University for suggesting an appropriate lens and light source for this device. We appreciate also the recommendations of Dr. Edwin T. Hihhs, Department of Zoology and Entomology, Iowa State University regarding the manuscript","institution_ids":["https://openalex.org/I173911158"]}]}],"institutions":[],"countries_distinct_count":1,"institutions_distinct_count":1,"corresponding_author_ids":[],"corresponding_institution_ids":[],"apc_list":{"value":4328,"currency":"USD","value_usd":4328},"apc_paid":null,"fwci":0.0,"has_fulltext":false,"cited_by_count":5,"citation_normalized_percentile":{"value":0.0,"is_in_top_1_percent":false,"is_in_top_10_percent":false},"cited_by_percentile_year":null,"biblio":{"volume":"63","issue":"3","first_page":"815","last_page":"819"},"is_retracted":false,"is_paratext":false,"is_xpac":false,"primary_topic":{"id":"https://openalex.org/T10135","display_name":"Insect-Plant Interactions and Control","score":0.9467999935150146,"subfield":{"id":"https://openalex.org/subfields/1109","display_name":"Insect Science"},"field":{"id":"https://openalex.org/fields/11","display_name":"Agricultural and Biological Sciences"},"domain":{"id":"https://openalex.org/domains/1","display_name":"Life Sciences"}},"topics":[{"id":"https://openalex.org/T10135","display_name":"Insect-Plant Interactions and Control","score":0.9467999935150146,"subfield":{"id":"https://openalex.org/subfields/1109","display_name":"Insect Science"},"field":{"id":"https://openalex.org/fields/11","display_name":"Agricultural and Biological Sciences"},"domain":{"id":"https://openalex.org/domains/1","display_name":"Life Sciences"}},{"id":"https://openalex.org/T14365","display_name":"Leaf Properties and Growth Measurement","score":0.02969999983906746,"subfield":{"id":"https://openalex.org/subfields/1110","display_name":"Plant Science"},"field":{"id":"https://openalex.org/fields/11","display_name":"Agricultural and Biological Sciences"},"domain":{"id":"https://openalex.org/domains/1","display_name":"Life Sciences"}},{"id":"https://openalex.org/T12043","display_name":"Insect behavior and control techniques","score":0.0044999998062849045,"subfield":{"id":"https://openalex.org/subfields/1109","display_name":"Insect Science"},"field":{"id":"https://openalex.org/fields/11","display_name":"Agricultural and Biological Sciences"},"domain":{"id":"https://openalex.org/domains/1","display_name":"Life Sciences"}}],"keywords":[{"id":"https://openalex.org/keywords/soybean-leaves","display_name":"soybean leaves","score":0.7649999856948853},{"id":"https://openalex.org/keywords/optical-transmittance","display_name":"optical transmittance","score":0.8209999799728394},{"id":"https://openalex.org/keywords/leaf-area-loss","display_name":"leaf area loss","score":0.3569999933242798},{"id":"https://openalex.org/keywords/green-cloverworm","display_name":"green cloverworm","score":0.9129999876022339},{"id":"https://openalex.org/keywords/plathypena-scabra","display_name":"Plathypena scabra","score":0.9909999966621399},{"id":"https://openalex.org/keywords/larval-feeding-damage","display_name":"larval feeding damage","score":0.7379999756813049},{"id":"https://openalex.org/keywords/regression-models","display_name":"regression models","score":0.42399999499320984}],"concepts":[{"id":"https://openalex.org/C86803240","wikidata":"https://www.wikidata.org/wiki/Q420","display_name":"Biology","level":0,"score":0.7588587403297424},{"id":"https://openalex.org/C177756618","wikidata":"https://www.wikidata.org/wiki/Q6527674","display_name":"Lepidoptera genitalia","level":2,"score":0.7152587175369263},{"id":"https://openalex.org/C3020368824","wikidata":"https://www.wikidata.org/wiki/Q6546192","display_name":"Light intensity","level":2,"score":0.5728560090065002},{"id":"https://openalex.org/C46423501","wikidata":"https://www.wikidata.org/wiki/Q830654","display_name":"Irradiance","level":2,"score":0.543002188205719},{"id":"https://openalex.org/C32476901","wikidata":"https://www.wikidata.org/wiki/Q2179631","display_name":"Instar","level":3,"score":0.5276317000389099},{"id":"https://openalex.org/C2778350275","wikidata":"https://www.wikidata.org/wiki/Q459180","display_name":"Noctuidae","level":3,"score":0.49271515011787415},{"id":"https://openalex.org/C144027150","wikidata":"https://www.wikidata.org/wiki/Q48803","display_name":"Horticulture","level":1,"score":0.4738911986351013},{"id":"https://openalex.org/C199051819","wikidata":"https://www.wikidata.org/wiki/Q194120","display_name":"Photoresistor","level":2,"score":0.45390382409095764},{"id":"https://openalex.org/C59822182","wikidata":"https://www.wikidata.org/wiki/Q441","display_name":"Botany","level":1,"score":0.3997876048088074},{"id":"https://openalex.org/C173758957","wikidata":"https://www.wikidata.org/wiki/Q129270","display_name":"Larva","level":2,"score":0.35084807872772217},{"id":"https://openalex.org/C192562407","wikidata":"https://www.wikidata.org/wiki/Q228736","display_name":"Materials science","level":0,"score":0.23126986622810364},{"id":"https://openalex.org/C120665830","wikidata":"https://www.wikidata.org/wiki/Q14620","display_name":"Optics","level":1,"score":0.20963096618652344},{"id":"https://openalex.org/C49040817","wikidata":"https://www.wikidata.org/wiki/Q193091","display_name":"Optoelectronics","level":1,"score":0.08258432149887085},{"id":"https://openalex.org/C121332964","wikidata":"https://www.wikidata.org/wiki/Q413","display_name":"Physics","level":0,"score":0.0}],"mesh":[],"locations_count":1,"locations":[{"id":"doi:10.1093/aesa/63.3.815","doi":"https://doi.org/10.1093/aesa/63.3.815","is_oa":false,"landing_page_url":"https://doi.org/10.1093/aesa/63.3.815","pdf_url":null,"source":{"id":"https://openalex.org/S79992667","display_name":"Annals of the Entomological Society of America","issn_l":"0013-8746","issn":["0013-8746","1938-2901"],"is_oa":false,"is_in_doaj":false,"is_core":true,"listed_in":["cwts-core","dongbi-b","jufo-1","norway-1","poland-70","russia-white-list-1"],"host_organization":"https://openalex.org/P4310311648","host_organization_name":"Oxford University Press","host_organization_lineage":["https://openalex.org/P4310311648","https://openalex.org/P4310311647"],"host_organization_lineage_names":["Oxford University Press","University of Oxford"],"type":"journal"},"license":null,"license_id":null,"version":"publishedVersion","is_accepted":true,"is_published":true,"raw_source_name":"Annals of the Entomological Society of America","raw_type":"journal-article"}],"best_oa_location":null,"sustainable_development_goals":[{"score":0.6735000014305115,"display_name":"Zero hunger","id":"https://metadata.un.org/sdg/2"}],"study_designs":[],"awards":[],"funders":[],"has_content":{"pdf":false,"grobid_xml":false},"content_urls":null,"referenced_works_count":0,"referenced_works":[],"related_works":["https://openalex.org/W2319387556","https://openalex.org/W3012258108","https://openalex.org/W2042721493","https://openalex.org/W2161553752","https://openalex.org/W2072984095","https://openalex.org/W2173854188","https://openalex.org/W2323695470","https://openalex.org/W1520409542","https://openalex.org/W2331690100","https://openalex.org/W2005409953"],"abstract_inverted_index":{"A":[0,81,100],"constant":[1],"low-intensity":[2],"light,":[3],"produced":[4],"by":[5,33,42],"a":[6,13,17,27,34,43,68],"50-watt":[7],"flood":[8],"lamp,":[9],"is":[10,20,31,40],"controlled":[11],"with":[12,47,64,107,126],"constant-voltage":[14],"transformer":[15],"and":[16,30,67,95],"rheostat.":[18],"Light":[19,55],"passed":[21],"through":[22],"damaged":[23],"leaves":[24,61],"laid":[25],"on":[26,86,139],"specimen":[28,89],"stage":[29,90],"received":[32],"cadmium-sulfide":[35],"photo-conductive":[36],"cell.":[37],"Photocell":[38],"response":[39],"measured":[41],"0\u201350":[44],"direct-current":[45],"microammeter,":[46],"greater":[48],"leaf":[49,78,88],"damage":[50,84,108],"resulting":[51],"in":[52,122],"higher":[53],"readings.":[54],"transmissive":[56],"quality":[57],"of":[58,83,103,110,119,142,145,153],"undamaged":[59],"soybean":[60,123],"was":[62,71,105],"established":[63],"the":[65,87,120,127],"device,":[66],"regression":[69],"model":[70],"computed":[72],"that":[73,136],"related":[74],"light":[75],"readings":[76],"to":[77],"tissue":[79],"removed.":[80],"comparison":[82],"position":[85],"yielded":[91],"low":[92],"standard":[93],"errors":[94],"generally":[96],"nonsignificant":[97],"F":[98],"ratios.":[99],"high":[101],"degree":[102],"accuracy":[104],"attained":[106],"samples":[109],"0.836":[111],"in.2":[112,144],"(1":[113],"1/32-in-diam":[114],"circle)":[115],"or":[116],"less.":[117],"Use":[118],"device":[121],"feeding":[124,149],"investigations":[125],"green":[128],"cloverworm,":[129],"Plathypena":[130],"scabra":[131],"(F.)":[132],"(Lepidoptera:":[133],"Noctuidae),":[134],"indicated":[135],"larvae":[137],"consumed":[138],"an":[140],"average":[141],"19":[143],"leaf-surface":[146],"area.":[147],"Sixth-instar":[148],"accounted":[150],"for":[151],"69.1%":[152],"this":[154],"value.":[155]},"counts_by_year":[],"updated_date":"2026-09-23T05:00:35.095934","created_date":"2016-06-24T00:00:00"}