{"id":"https://openalex.org/W2105045779","doi":"https://doi.org/10.1017/s0021859606006277","title":"Effects of intercropping tomato (Lycopersicon esculentum) at different times with cowpea (Vigna unguiculata) or okra (Abelmoschus esculentus) on crop damage by major insect pests","display_name":"Effects of intercropping tomato (Lycopersicon esculentum) at different times with cowpea (Vigna unguiculata) or okra (Abelmoschus esculentus) on crop damage by major insect pests","publication_year":2006,"publication_date":"2006-07-12","ids":{"openalex":"https://openalex.org/W2105045779","doi":"https://doi.org/10.1017/s0021859606006277","mag":"2105045779"},"language":"en","primary_location":{"id":"doi:10.1017/s0021859606006277","doi":"https://doi.org/10.1017/s0021859606006277","is_oa":false,"landing_page_url":"https://doi.org/10.1017/s0021859606006277","pdf_url":null,"source":{"id":"https://openalex.org/S12429487","display_name":"The Journal of Agricultural Science","issn_l":"0021-8596","issn":["0021-8596","1469-5146"],"is_oa":false,"is_in_doaj":false,"is_core":true,"listed_in":["anvur-scientific","cwts-core","dongbi-c","jufo-2","norway-1","poland-70","russia-white-list-1"],"host_organization":"https://openalex.org/P4310311721","host_organization_name":"Cambridge University Press","host_organization_lineage":["https://openalex.org/P4310311721","https://openalex.org/P4310311702"],"host_organization_lineage_names":["Cambridge University Press","University of Cambridge"],"type":"journal"},"license":null,"license_id":null,"version":"publishedVersion","is_accepted":true,"is_published":true,"raw_source_name":"The Journal of Agricultural Science","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/A5109136636","display_name":"O.O.R. Pitan","orcid":"https://orcid.org/0000-0001-6465-8168","observed_orcids":["https://orcid.org/0000-0001-6465-8168"]},"institutions":[{"id":"https://openalex.org/I18045400","display_name":"Federal University of Agriculture, Abeokuta","ror":"https://ror.org/050s1zm26","country_code":"NG","type":"education","lineage":["https://openalex.org/I18045400"]}],"countries":["NG"],"is_corresponding":false,"raw_author_name":"OLUFEMI O. R. PITAN","raw_affiliation_strings":["Department of Crop Protection, University of Agriculture, Abeokuta, Nigeria"],"raw_orcid":null,"affiliations":[{"raw_affiliation_string":"Department of Crop Protection, University of Agriculture, Abeokuta, Nigeria","institution_ids":["https://openalex.org/I18045400"]}]},{"author_position":"last","author":{"id":"https://openalex.org/A5083865354","display_name":"G. O. Olatunde","orcid":"https://orcid.org/0000-0001-7748-8321","observed_orcids":["https://orcid.org/0000-0001-7748-8321"]},"institutions":[{"id":"https://openalex.org/I18045400","display_name":"Federal University of Agriculture, Abeokuta","ror":"https://ror.org/050s1zm26","country_code":"NG","type":"education","lineage":["https://openalex.org/I18045400"]}],"countries":["NG"],"is_corresponding":false,"raw_author_name":"G. O. OLATUNDE","raw_affiliation_strings":["Department of Crop Protection, University of Agriculture, Abeokuta, Nigeria"],"raw_orcid":null,"affiliations":[{"raw_affiliation_string":"Department of Crop Protection, University of Agriculture, Abeokuta, Nigeria","institution_ids":["https://openalex.org/I18045400"]}]}],"institutions":[],"countries_distinct_count":1,"institutions_distinct_count":1,"corresponding_author_ids":[],"corresponding_institution_ids":["https://openalex.org/I18045400"],"apc_list":{"value":3550,"currency":"USD","value_usd":3550},"apc_paid":null,"fwci":0.7842,"has_fulltext":false,"cited_by_count":12,"citation_normalized_percentile":{"value":0.76573773,"is_in_top_1_percent":false,"is_in_top_10_percent":false},"cited_by_percentile_year":{"min":87,"max":95},"biblio":{"volume":"144","issue":"4","first_page":"361","last_page":"368"},"is_retracted":false,"is_paratext":false,"is_xpac":false,"primary_topic":{"id":"https://openalex.org/T12436","display_name":"Agronomic Practices and Intercropping Systems","score":0.9624000191688538,"subfield":{"id":"https://openalex.org/subfields/1102","display_name":"Agronomy and Crop 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/T12436","display_name":"Agronomic Practices and Intercropping Systems","score":0.9624000191688538,"subfield":{"id":"https://openalex.org/subfields/1102","display_name":"Agronomy and Crop 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/T10135","display_name":"Insect-Plant Interactions and Control","score":0.03099999949336052,"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/T13125","display_name":"Agricultural pest management studies","score":0.002099999925121665,"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"}}],"keywords":[{"id":"https://openalex.org/keywords/cowpea","display_name":"cowpea","score":0.9980000257492065},{"id":"https://openalex.org/keywords/okra","display_name":"okra","score":1.0},{"id":"https://openalex.org/keywords/clavigralla-tomentosicollis","display_name":"Clavigralla tomentosicollis","score":0.9190000295639038},{"id":"https://openalex.org/keywords/nezara-viridula","display_name":"Nezara viridula","score":0.9980000257492065},{"id":"https://openalex.org/keywords/land-equivalent-ratio","display_name":"land equivalent ratio","score":0.9120000004768372},{"id":"https://openalex.org/keywords/crop-yield","display_name":"crop yield","score":0.6420000195503235},{"id":"https://openalex.org/keywords/tomato","display_name":"tomato","score":0.8230000138282776}],"concepts":[{"id":"https://openalex.org/C2781208722","wikidata":"https://www.wikidata.org/wiki/Q853859","display_name":"Intercropping","level":2,"score":0.9067823886871338},{"id":"https://openalex.org/C2780269520","wikidata":"https://www.wikidata.org/wiki/Q866047","display_name":"Abelmoschus","level":2,"score":0.8387271165847778},{"id":"https://openalex.org/C2779342048","wikidata":"https://www.wikidata.org/wiki/Q356031","display_name":"Transplanting","level":3,"score":0.8000503778457642},{"id":"https://openalex.org/C2779862049","wikidata":"https://www.wikidata.org/wiki/Q132634","display_name":"Vigna","level":2,"score":0.7922390699386597},{"id":"https://openalex.org/C137580998","wikidata":"https://www.wikidata.org/wiki/Q235352","display_name":"Crop","level":2,"score":0.6712496280670166},{"id":"https://openalex.org/C86803240","wikidata":"https://www.wikidata.org/wiki/Q420","display_name":"Biology","level":0,"score":0.667850136756897},{"id":"https://openalex.org/C28731254","wikidata":"https://www.wikidata.org/wiki/Q17146935","display_name":"Monocropping","level":4,"score":0.6254963874816895},{"id":"https://openalex.org/C6557445","wikidata":"https://www.wikidata.org/wiki/Q173113","display_name":"Agronomy","level":1,"score":0.5785316228866577},{"id":"https://openalex.org/C2776451879","wikidata":"https://www.wikidata.org/wiki/Q1292038","display_name":"Infestation","level":2,"score":0.548169732093811},{"id":"https://openalex.org/C144938864","wikidata":"https://www.wikidata.org/wiki/Q4927286","display_name":"Randomized block design","level":2,"score":0.48677754402160645},{"id":"https://openalex.org/C2776394811","wikidata":"https://www.wikidata.org/wiki/Q3634497","display_name":"Cropping system","level":3,"score":0.45096758008003235},{"id":"https://openalex.org/C144027150","wikidata":"https://www.wikidata.org/wiki/Q48803","display_name":"Horticulture","level":1,"score":0.38855913281440735},{"id":"https://openalex.org/C168741863","wikidata":"https://www.wikidata.org/wiki/Q777671","display_name":"Sowing","level":2,"score":0.35911259055137634},{"id":"https://openalex.org/C13558536","wikidata":"https://www.wikidata.org/wiki/Q785116","display_name":"Cropping","level":3,"score":0.2188378870487213},{"id":"https://openalex.org/C118518473","wikidata":"https://www.wikidata.org/wiki/Q11451","display_name":"Agriculture","level":2,"score":0.07571622729301453},{"id":"https://openalex.org/C18903297","wikidata":"https://www.wikidata.org/wiki/Q7150","display_name":"Ecology","level":1,"score":0.0}],"mesh":[],"locations_count":1,"locations":[{"id":"doi:10.1017/s0021859606006277","doi":"https://doi.org/10.1017/s0021859606006277","is_oa":false,"landing_page_url":"https://doi.org/10.1017/s0021859606006277","pdf_url":null,"source":{"id":"https://openalex.org/S12429487","display_name":"The Journal of Agricultural Science","issn_l":"0021-8596","issn":["0021-8596","1469-5146"],"is_oa":false,"is_in_doaj":false,"is_core":true,"listed_in":["anvur-scientific","cwts-core","dongbi-c","jufo-2","norway-1","poland-70","russia-white-list-1"],"host_organization":"https://openalex.org/P4310311721","host_organization_name":"Cambridge University Press","host_organization_lineage":["https://openalex.org/P4310311721","https://openalex.org/P4310311702"],"host_organization_lineage_names":["Cambridge University Press","University of Cambridge"],"type":"journal"},"license":null,"license_id":null,"version":"publishedVersion","is_accepted":true,"is_published":true,"raw_source_name":"The Journal of Agricultural Science","raw_type":"journal-article"}],"best_oa_location":null,"sustainable_development_goals":[{"display_name":"Zero hunger","score":1.0,"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/W2118073914","https://openalex.org/W2038770439","https://openalex.org/W4386738585","https://openalex.org/W4212921411","https://openalex.org/W4255615833","https://openalex.org/W2788159031","https://openalex.org/W2049455934","https://openalex.org/W7217746312","https://openalex.org/W2038269620","https://openalex.org/W7098441270"],"abstract_inverted_index":{"Two":[0,272],"2-year":[1],"field":[2,25],"trials":[3],"were":[4,38,51,77,103,151,156,191],"conducted":[5],"in":[6,22,119,143,166,205,209,224,229,269],"Nigeria":[7],"to":[8,235,278,283],"investigate":[9],"the":[10,24,74,91,120,144,167,169,181,184,206,210,225,230,238,280,290],"effectiveness":[11],"of":[12,27,90,161,186,214,216,237],"tomato":[13,53,150,275],"intercropped":[14,63,109],"at":[15,64,110,134,174,242,263],"different":[16],"times":[17],"with":[18,59],"cowpea":[19,28,60,78,108,124,132,148,252,286],"or":[20,61,67,79,85,256,287],"okra":[21,32,62,80,257,288],"controlling":[23],"densities":[26,89],"pod-sucking":[29,92],"bugs":[30,93],"and":[31,83,100,136,146,149,163,254,259],"flea":[33,187],"beetles.":[34],"The":[35,48,88,245],"two":[36,75],"experiments":[37],"arranged":[39],"as":[40],"split-plots":[41],"within":[42],"a":[43,57],"randomized":[44],"complete":[45],"block":[46],"design.":[47],"main":[49],"plots":[50],"4-week-old":[52],"seedlings":[54],"transplanted":[55],"into":[56,289],"field,":[58],"0,":[65],"2":[66,111,135,175,243,264],"4":[68,137],"weeks":[69,112,138,176,265,273],"after":[70,113,139,177,266,274],"transplanting":[71,114,140,178,267],"tomatoes,":[72],"while":[73,232],"sub-plots":[76],"sole":[81,121,211,226],"crop":[82,212,227],"tomato/cowpea":[84],"tomato/okra":[86,182],"intercrop.":[87],"Clavigralla":[94],"tomentosicollis,":[95],"Riptortus":[96],"dentipes,":[97],"Anoplocnemis":[98],"curvipes":[99],"Nezara":[101],"viridula":[102],"significantly":[104,128,192,202,221],"lower":[105,129,203],"(P<0\u00b705)":[106,130,194,204,223],"on":[107,131],"tomatoes":[115,141,268],"than":[116,142,208,228],"those":[117],"obtained":[118,173,241,262],"crop.":[122],"Similarly,":[123,218],"seed":[125],"damage":[126,219],"was":[127,172,201,220,240,261],"planted":[133,152],"monocrop":[145,239],"when":[147],"simultaneously.":[153],"Cowpea":[154],"yields":[155],"influenced":[157,193],"by":[158,195],"both":[159,270],"time":[160,215,282],"intercropping":[162],"cropping":[164,196,291],"system;":[165],"intercrop,":[168,183],"highest":[170,246],"yield":[171,233],"tomatoes.":[179],"In":[180],"numbers":[185],"beetles":[188],"(Podagrica":[189],"spp.)":[190],"system":[197],"alone;":[198],"their":[199],"density":[200],"intercrop":[207,231],"irrespective":[213],"intercropping.":[217],"higher":[222],"comparable":[234],"that":[236],"WAT.":[244],"land":[247],"equivalent":[248],"ratio":[249],"(LER)":[250],"for":[251],"(1\u00b78":[253],"1\u00b76)":[255],"(0\u00b77":[258],"0\u00b78)":[260],"years.":[271],"establishment":[276],"appeared":[277],"be":[279],"best":[281],"introduce":[284],"either":[285],"system.":[292]},"counts_by_year":[{"year":2026,"cited_by_count":1},{"year":2024,"cited_by_count":1},{"year":2022,"cited_by_count":2},{"year":2021,"cited_by_count":1},{"year":2019,"cited_by_count":1},{"year":2015,"cited_by_count":1},{"year":2014,"cited_by_count":2},{"year":2013,"cited_by_count":1}],"updated_date":"2026-11-06T12:05:46.655746","created_date":"2016-06-24T00:00:00"}
