{"id":"https://openalex.org/W2016237427","doi":"https://doi.org/10.2135/cropsci1977.0011183x001700060017x","title":"Leaf Orientation and Yield of Maize1","display_name":"Leaf Orientation and Yield of Maize1","publication_year":1977,"publication_date":"1977-11-01","ids":{"openalex":"https://openalex.org/W2016237427","doi":"https://doi.org/10.2135/cropsci1977.0011183x001700060017x","mag":"2016237427"},"language":"en","primary_location":{"id":"doi:10.2135/cropsci1977.0011183x001700060017x","doi":"https://doi.org/10.2135/cropsci1977.0011183x001700060017x","is_oa":false,"landing_page_url":"https://doi.org/10.2135/cropsci1977.0011183x001700060017x","pdf_url":null,"source":{"id":"https://openalex.org/S48277251","display_name":"Crop Science","issn_l":"0011-183X","issn":["0011-183X","1435-0653"],"is_oa":false,"is_in_doaj":false,"is_core":true,"listed_in":["cwts-core","dongbi-c","jufo-1","norway-1","poland-100","russia-white-list-1"],"host_organization":"https://openalex.org/P4310320595","host_organization_name":"Wiley","host_organization_lineage":["https://openalex.org/P4310320595"],"host_organization_lineage_names":["Wiley"],"type":"journal"},"license":null,"license_id":null,"version":"publishedVersion","is_accepted":true,"is_published":true,"raw_source_name":"Crop 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/A5080530061","display_name":"Gary Eugene Pepper","orcid":null,"observed_orcids":[]},"institutions":[],"countries":[],"is_corresponding":false,"raw_author_name":"G. E. Pepper","raw_affiliation_strings":[],"raw_orcid":null,"affiliations":[]},{"author_position":"middle","author":{"id":"https://openalex.org/A5009221452","display_name":"R. B. Pearce","orcid":null,"observed_orcids":[]},"institutions":[],"countries":[],"is_corresponding":false,"raw_author_name":"R. B. Pearce","raw_affiliation_strings":[],"raw_orcid":null,"affiliations":[]},{"author_position":"last","author":{"id":"https://openalex.org/A5074649631","display_name":"James Joseph Mock","orcid":null,"observed_orcids":[]},"institutions":[{"id":"https://openalex.org/I157725225","display_name":"University of Illinois Urbana-Champaign","ror":"https://ror.org/047426m28","country_code":"US","type":"education","lineage":["https://openalex.org/I157725225"]},{"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":"J. J. Mock","raw_affiliation_strings":["Formerly teaching associate in agronomy, (now assistant professor of Agronomy Ext., Univ. of Illinois, Urbana, IL 61801); and professor and associate professor, respectively, Dep. of Agronomy, Iowa State Univ","Formerly teaching associate in agronomy, (now assistant professor of Agronomy Ext., Univ. of Illinois, Urbana, IL 61801)","professor and associate professor, respectively, Dep. of Agronomy, Iowa State Univ"],"raw_orcid":null,"affiliations":[{"raw_affiliation_string":"Formerly teaching associate in agronomy, (now assistant professor of Agronomy Ext., Univ. of Illinois, Urbana, IL 61801); and professor and associate professor, respectively, Dep. of Agronomy, Iowa State Univ","institution_ids":["https://openalex.org/I157725225","https://openalex.org/I173911158"]},{"raw_affiliation_string":"Formerly teaching associate in agronomy, (now assistant professor of Agronomy Ext., Univ. of Illinois, Urbana, IL 61801)","institution_ids":["https://openalex.org/I157725225"]},{"raw_affiliation_string":"professor and associate professor, respectively, Dep. of Agronomy, Iowa State Univ","institution_ids":["https://openalex.org/I173911158"]}]}],"institutions":[],"countries_distinct_count":1,"institutions_distinct_count":2,"corresponding_author_ids":[],"corresponding_institution_ids":[],"apc_list":{"value":1980,"currency":"USD","value_usd":1980},"apc_paid":null,"fwci":1.3169,"has_fulltext":false,"cited_by_count":121,"citation_normalized_percentile":{"value":0.76583333,"is_in_top_1_percent":false,"is_in_top_10_percent":false},"cited_by_percentile_year":{"min":88,"max":99},"biblio":{"volume":"17","issue":"6","first_page":"883","last_page":"886"},"is_retracted":false,"is_paratext":false,"is_xpac":false,"primary_topic":{"id":"https://openalex.org/T12310","display_name":"Crop Yield and Soil Fertility","score":1.0,"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/T12310","display_name":"Crop Yield and Soil Fertility","score":1.0,"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/T11229","display_name":"Genetics and Plant Breeding","score":9.999999747378752e-05,"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/T12571","display_name":"Soybean genetics and cultivation","score":0.0,"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/maize","display_name":"maize","score":0.859000027179718},{"id":"https://openalex.org/keywords/leaf-orientation","display_name":"leaf orientation","score":0.8970000147819519},{"id":"https://openalex.org/keywords/leaf-area-index","display_name":"leaf area index","score":0.6439999938011169},{"id":"https://openalex.org/keywords/light-extinction-coefficient","display_name":"light extinction coefficient","score":0.9710000157356262},{"id":"https://openalex.org/keywords/grain-yield","display_name":"grain yield","score":0.6899999976158142},{"id":"https://openalex.org/keywords/dry-matter-yield","display_name":"dry matter yield","score":0.8859999775886536},{"id":"https://openalex.org/keywords/plant-density","display_name":"plant density","score":0.8870000243186951},{"id":"https://openalex.org/keywords/crop-canopy","display_name":"crop canopy","score":0.6759999990463257}],"concepts":[{"id":"https://openalex.org/C86803240","wikidata":"https://www.wikidata.org/wiki/Q420","display_name":"Biology","level":0,"score":0.7415963411331177},{"id":"https://openalex.org/C6557445","wikidata":"https://www.wikidata.org/wiki/Q173113","display_name":"Agronomy","level":1,"score":0.6058070063591003},{"id":"https://openalex.org/C134121241","wikidata":"https://www.wikidata.org/wiki/Q899301","display_name":"Yield (engineering)","level":2,"score":0.6020538210868835},{"id":"https://openalex.org/C25989453","wikidata":"https://www.wikidata.org/wiki/Q446746","display_name":"Leaf area index","level":2,"score":0.5951161980628967},{"id":"https://openalex.org/C16345878","wikidata":"https://www.wikidata.org/wiki/Q107472979","display_name":"Orientation (vector space)","level":2,"score":0.5755646824836731},{"id":"https://openalex.org/C2992211155","wikidata":"https://www.wikidata.org/wiki/Q889514","display_name":"Grain yield","level":2,"score":0.5547131299972534},{"id":"https://openalex.org/C2780138947","wikidata":"https://www.wikidata.org/wiki/Q393855","display_name":"Dry matter","level":2,"score":0.5275518298149109},{"id":"https://openalex.org/C2993531722","wikidata":"https://www.wikidata.org/wiki/Q11575","display_name":"Zea mays","level":2,"score":0.5202266573905945},{"id":"https://openalex.org/C46757340","wikidata":"https://www.wikidata.org/wiki/Q43238","display_name":"Poaceae","level":2,"score":0.48104289174079895},{"id":"https://openalex.org/C144027150","wikidata":"https://www.wikidata.org/wiki/Q48803","display_name":"Horticulture","level":1,"score":0.36714595556259155},{"id":"https://openalex.org/C59822182","wikidata":"https://www.wikidata.org/wiki/Q441","display_name":"Botany","level":1,"score":0.3200647830963135},{"id":"https://openalex.org/C33923547","wikidata":"https://www.wikidata.org/wiki/Q395","display_name":"Mathematics","level":0,"score":0.287137508392334},{"id":"https://openalex.org/C2524010","wikidata":"https://www.wikidata.org/wiki/Q8087","display_name":"Geometry","level":1,"score":0.1756385862827301},{"id":"https://openalex.org/C192562407","wikidata":"https://www.wikidata.org/wiki/Q228736","display_name":"Materials science","level":0,"score":0.0},{"id":"https://openalex.org/C191897082","wikidata":"https://www.wikidata.org/wiki/Q11467","display_name":"Metallurgy","level":1,"score":0.0}],"mesh":[],"locations_count":1,"locations":[{"id":"doi:10.2135/cropsci1977.0011183x001700060017x","doi":"https://doi.org/10.2135/cropsci1977.0011183x001700060017x","is_oa":false,"landing_page_url":"https://doi.org/10.2135/cropsci1977.0011183x001700060017x","pdf_url":null,"source":{"id":"https://openalex.org/S48277251","display_name":"Crop Science","issn_l":"0011-183X","issn":["0011-183X","1435-0653"],"is_oa":false,"is_in_doaj":false,"is_core":true,"listed_in":["cwts-core","dongbi-c","jufo-1","norway-1","poland-100","russia-white-list-1"],"host_organization":"https://openalex.org/P4310320595","host_organization_name":"Wiley","host_organization_lineage":["https://openalex.org/P4310320595"],"host_organization_lineage_names":["Wiley"],"type":"journal"},"license":null,"license_id":null,"version":"publishedVersion","is_accepted":true,"is_published":true,"raw_source_name":"Crop Science","raw_type":"journal-article"}],"best_oa_location":null,"sustainable_development_goals":[{"display_name":"Zero hunger","score":0.991100013256073,"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/W399881254","https://openalex.org/W2082211509","https://openalex.org/W1970622986","https://openalex.org/W2014797181","https://openalex.org/W2051400261","https://openalex.org/W7099802204","https://openalex.org/W2035269376","https://openalex.org/W7165900067","https://openalex.org/W1664712159","https://openalex.org/W2170446535"],"abstract_inverted_index":{"The":[0],"advantage":[1],"of":[2,27,100,123],"vertically":[3],"oriented":[4],"leaves":[5,101,169],"in":[6,44,138],"crop":[7],"canopies":[8],"has":[9],"been":[10],"studied":[11],"with":[12,150,167],"variable":[13],"results.":[14],"In":[15],"many":[16],"maize":[17,31],"(Zea":[18],"mays":[19],"L.)":[20],"populations":[21],"there":[22],"is":[23,119],"a":[24,86,120,131],"wide":[25],"variation":[26],"leaf":[28,40,63,79,82,88,91,124,135,146,156,159,175],"orientations.":[29],"Nine":[30],"inbreds":[32],"visually":[33],"selected":[34],"for":[35,59,62,78,97,107,134,165],"upright,":[36],"intermediate,":[37],"and":[38,72,75,81,126,142,158],"horizontal":[39],"orientation":[41,80,89,92,106,147,157],"were":[42,170],"grown":[43],"51\u2010cm":[45],"rows":[46],"at":[47,51,173],"three":[48],"plant":[49],"densities":[50],"Iowa":[52],"State":[53],"University.":[54],"Each":[55],"inbred":[56],"was":[57,113],"evaluated":[58],"2":[60],"years":[61],"area":[64,160,176],"index,":[65],"light":[66],"extinction":[67],"coefficient":[68],"(k),":[69],"dry\u2010matter":[70],"yield,":[71,74],"grain":[73,143],"1":[76],"year":[77],"display.":[83],"We":[84],"developed":[85],"new":[87],"parameter,":[90],"value":[93],"(LOV),":[94],"to":[95,102,115],"account":[96],"the":[98,104],"ability":[99],"maintain":[103],"same":[105],"their":[108],"entire":[109],"length.":[110],"This":[111],"parameter":[112],"easier":[114],"measure":[116],"than":[117],"k,":[118],"good":[121],"indicator":[122],"orientation,":[125],"could":[127],"be":[128],"used":[129],"as":[130],"selection":[132],"index":[133],"orientation.":[136],"Differences":[137],"dry":[139],"matter":[140],"yields":[141,144],"across":[145],"groups":[148],"agreed":[149],"expectations":[151],"based":[152],"on":[153],"theories":[154],"involving":[155],"index;":[161],"i.e.,":[162],"yield":[163],"advantages":[164],"genotypes":[166],"upright":[168],"observed":[171],"only":[172],"high":[174],"indices.":[177]},"counts_by_year":[{"year":2026,"cited_by_count":4},{"year":2025,"cited_by_count":5},{"year":2024,"cited_by_count":7},{"year":2023,"cited_by_count":9},{"year":2022,"cited_by_count":8},{"year":2021,"cited_by_count":13},{"year":2020,"cited_by_count":10},{"year":2019,"cited_by_count":3},{"year":2018,"cited_by_count":7},{"year":2017,"cited_by_count":5},{"year":2016,"cited_by_count":6},{"year":2015,"cited_by_count":6},{"year":2014,"cited_by_count":2},{"year":2013,"cited_by_count":1}],"updated_date":"2026-11-04T10:54:05.112534","created_date":"2016-06-24T00:00:00"}
