{"id":"https://openalex.org/W2015529354","doi":"https://doi.org/10.2134/agronj2000.924715x","title":"Effects of Light, Growth Media, and Seedling Orientation on Bioassays of Alfalfa Autotoxicity","display_name":"Effects of Light, Growth Media, and Seedling Orientation on Bioassays of Alfalfa Autotoxicity","publication_year":2000,"publication_date":"2000-07-01","ids":{"openalex":"https://openalex.org/W2015529354","doi":"https://doi.org/10.2134/agronj2000.924715x","mag":"2015529354"},"language":"en","primary_location":{"id":"doi:10.2134/agronj2000.924715x","doi":"https://doi.org/10.2134/agronj2000.924715x","is_oa":false,"landing_page_url":"https://doi.org/10.2134/agronj2000.924715x","pdf_url":null,"source":{"id":"https://openalex.org/S139950591","display_name":"Agronomy Journal","issn_l":"0002-1962","issn":["0002-1962","1072-9623","1435-0645"],"is_oa":false,"is_in_doaj":false,"is_core":true,"listed_in":["anvur-scientific","cwts-core","dongbi-c","jufo-1","ki-jl-1","norway-1","poland-100","russia-white-list-1","vabb-shw"],"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":"Agronomy Journal","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/A5111953336","display_name":"Sang\u2010Uk Chon","orcid":null,"observed_orcids":[]},"institutions":[{"id":"https://openalex.org/I76835614","display_name":"University of Missouri","ror":"https://ror.org/02ymw8z06","country_code":"US","type":"education","lineage":["https://openalex.org/I76835614"]}],"countries":["US"],"is_corresponding":false,"raw_author_name":"Sang\u2010Uk Chon","raw_affiliation_strings":["Dep. of Agronomy, 210 Waters Hall, University of Missouri, Columbia, MO 65211 USA"],"raw_orcid":null,"affiliations":[{"raw_affiliation_string":"Dep. of Agronomy, 210 Waters Hall, University of Missouri, Columbia, MO 65211 USA","institution_ids":["https://openalex.org/I76835614"]}]},{"author_position":"middle","author":{"id":"https://openalex.org/A5086486462","display_name":"John H. Coutts","orcid":null,"observed_orcids":[]},"institutions":[{"id":"https://openalex.org/I76835614","display_name":"University of Missouri","ror":"https://ror.org/02ymw8z06","country_code":"US","type":"education","lineage":["https://openalex.org/I76835614"]}],"countries":["US"],"is_corresponding":false,"raw_author_name":"John H. Coutts","raw_affiliation_strings":["Dep. of Agronomy, 210 Waters Hall, University of Missouri, Columbia, MO 65211 USA"],"raw_orcid":null,"affiliations":[{"raw_affiliation_string":"Dep. of Agronomy, 210 Waters Hall, University of Missouri, Columbia, MO 65211 USA","institution_ids":["https://openalex.org/I76835614"]}]},{"author_position":"last","author":{"id":"https://openalex.org/A5108453031","display_name":"C. J. Nelson","orcid":null,"observed_orcids":[]},"institutions":[{"id":"https://openalex.org/I76835614","display_name":"University of Missouri","ror":"https://ror.org/02ymw8z06","country_code":"US","type":"education","lineage":["https://openalex.org/I76835614"]}],"countries":["US"],"is_corresponding":true,"raw_author_name":"C. Jerry Nelson","raw_affiliation_strings":["Dep. of Agronomy, 210 Waters Hall, University of Missouri, Columbia, MO 65211 USA"],"raw_orcid":null,"affiliations":[{"raw_affiliation_string":"Dep. of Agronomy, 210 Waters Hall, University of Missouri, Columbia, MO 65211 USA","institution_ids":["https://openalex.org/I76835614"]}]}],"institutions":[],"countries_distinct_count":1,"institutions_distinct_count":1,"corresponding_author_ids":["https://openalex.org/A5108453031"],"corresponding_institution_ids":["https://openalex.org/I76835614"],"apc_list":{"value":1800,"currency":"USD","value_usd":1800},"apc_paid":null,"fwci":4.184,"has_fulltext":false,"cited_by_count":77,"citation_normalized_percentile":{"value":0.93505729,"is_in_top_1_percent":false,"is_in_top_10_percent":true},"cited_by_percentile_year":{"min":88,"max":99},"biblio":{"volume":"92","issue":"4","first_page":"715","last_page":"720"},"is_retracted":false,"is_paratext":false,"is_xpac":false,"primary_topic":{"id":"https://openalex.org/T12058","display_name":"Allelopathy and phytotoxic interactions","score":1.0,"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"}},"topics":[{"id":"https://openalex.org/T12058","display_name":"Allelopathy and phytotoxic interactions","score":1.0,"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"}},{"id":"https://openalex.org/T12475","display_name":"Plant Parasitism and Resistance","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"}},{"id":"https://openalex.org/T10774","display_name":"Weed Control and Herbicide Applications","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/alfalfa","display_name":"alfalfa","score":0.8889999985694885},{"id":"https://openalex.org/keywords/allelopathy","display_name":"allelopathy","score":0.9610000252723694},{"id":"https://openalex.org/keywords/autotoxicity","display_name":"autotoxicity","score":0.9020000100135803},{"id":"https://openalex.org/keywords/leaf-extract","display_name":"leaf extract","score":0.6970000267028809},{"id":"https://openalex.org/keywords/seedling-bioassay","display_name":"seedling bioassay","score":0.8370000123977661},{"id":"https://openalex.org/keywords/root-growth","display_name":"root growth","score":0.5550000071525574},{"id":"https://openalex.org/keywords/hypocotyl-elongation","display_name":"hypocotyl elongation","score":0.9869999885559082},{"id":"https://openalex.org/keywords/light-effects","display_name":"light effects","score":0.7990000247955322},{"id":"https://openalex.org/keywords/culture-medium","display_name":"culture media","score":0.7490000128746033},{"id":"https://openalex.org/keywords/germplasm-diversity","display_name":"germplasm diversity","score":0.7009999752044678}],"concepts":[{"id":"https://openalex.org/C105409712","wikidata":"https://www.wikidata.org/wiki/Q1426202","display_name":"Hypocotyl","level":2,"score":0.9715672731399536},{"id":"https://openalex.org/C2776096895","wikidata":"https://www.wikidata.org/wiki/Q1385709","display_name":"Seedling","level":2,"score":0.8199020624160767},{"id":"https://openalex.org/C146763376","wikidata":"https://www.wikidata.org/wiki/Q81714","display_name":"Petri dish","level":2,"score":0.8000154495239258},{"id":"https://openalex.org/C104488531","wikidata":"https://www.wikidata.org/wiki/Q864212","display_name":"Bioassay","level":2,"score":0.756055474281311},{"id":"https://openalex.org/C31241831","wikidata":"https://www.wikidata.org/wiki/Q190334","display_name":"Allelopathy","level":3,"score":0.7360277771949768},{"id":"https://openalex.org/C86803240","wikidata":"https://www.wikidata.org/wiki/Q420","display_name":"Biology","level":0,"score":0.6801798343658447},{"id":"https://openalex.org/C100701293","wikidata":"https://www.wikidata.org/wiki/Q193838","display_name":"Germination","level":2,"score":0.6588529944419861},{"id":"https://openalex.org/C2778660310","wikidata":"https://www.wikidata.org/wiki/Q177998","display_name":"Agar","level":3,"score":0.6216005682945251},{"id":"https://openalex.org/C62643968","wikidata":"https://www.wikidata.org/wiki/Q574816","display_name":"Agar plate","level":3,"score":0.5095039010047913},{"id":"https://openalex.org/C59822182","wikidata":"https://www.wikidata.org/wiki/Q441","display_name":"Botany","level":1,"score":0.4946889579296112},{"id":"https://openalex.org/C33947775","wikidata":"https://www.wikidata.org/wiki/Q271439","display_name":"Elongation","level":3,"score":0.44831493496894836},{"id":"https://openalex.org/C144027150","wikidata":"https://www.wikidata.org/wiki/Q48803","display_name":"Horticulture","level":1,"score":0.4468126893043518},{"id":"https://openalex.org/C192562407","wikidata":"https://www.wikidata.org/wiki/Q228736","display_name":"Materials science","level":0,"score":0.0491509735584259},{"id":"https://openalex.org/C523546767","wikidata":"https://www.wikidata.org/wiki/Q10876","display_name":"Bacteria","level":2,"score":0.0},{"id":"https://openalex.org/C54355233","wikidata":"https://www.wikidata.org/wiki/Q7162","display_name":"Genetics","level":1,"score":0.0},{"id":"https://openalex.org/C191897082","wikidata":"https://www.wikidata.org/wiki/Q11467","display_name":"Metallurgy","level":1,"score":0.0},{"id":"https://openalex.org/C112950240","wikidata":"https://www.wikidata.org/wiki/Q76005","display_name":"Ultimate tensile strength","level":2,"score":0.0}],"mesh":[],"locations_count":1,"locations":[{"id":"doi:10.2134/agronj2000.924715x","doi":"https://doi.org/10.2134/agronj2000.924715x","is_oa":false,"landing_page_url":"https://doi.org/10.2134/agronj2000.924715x","pdf_url":null,"source":{"id":"https://openalex.org/S139950591","display_name":"Agronomy Journal","issn_l":"0002-1962","issn":["0002-1962","1072-9623","1435-0645"],"is_oa":false,"is_in_doaj":false,"is_core":true,"listed_in":["anvur-scientific","cwts-core","dongbi-c","jufo-1","ki-jl-1","norway-1","poland-100","russia-white-list-1","vabb-shw"],"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":"Agronomy Journal","raw_type":"journal-article"}],"best_oa_location":null,"sustainable_development_goals":[{"id":"https://metadata.un.org/sdg/2","display_name":"Zero hunger","score":0.6735000014305115}],"study_designs":[],"awards":[],"funders":[{"id":"https://openalex.org/F4320309437","display_name":"Kimberly-Clark","ror":"https://ror.org/03791d618"}],"has_content":{"grobid_xml":false,"pdf":false},"content_urls":null,"referenced_works_count":25,"referenced_works":["https://openalex.org/W1896717830","https://openalex.org/W1964645196","https://openalex.org/W1968203166","https://openalex.org/W1973885299","https://openalex.org/W1974979626","https://openalex.org/W1985310063","https://openalex.org/W1987431923","https://openalex.org/W1999018930","https://openalex.org/W2011768322","https://openalex.org/W2014596418","https://openalex.org/W2016676231","https://openalex.org/W2019699419","https://openalex.org/W2039901183","https://openalex.org/W2040872765","https://openalex.org/W2061180421","https://openalex.org/W2064325521","https://openalex.org/W2089451035","https://openalex.org/W2093656259","https://openalex.org/W2095208017","https://openalex.org/W2116723811","https://openalex.org/W2142774414","https://openalex.org/W2149818178","https://openalex.org/W2513326267","https://openalex.org/W3022600631","https://openalex.org/W4250553964"],"related_works":["https://openalex.org/W348224040","https://openalex.org/W2210287184","https://openalex.org/W70976958","https://openalex.org/W1647093704","https://openalex.org/W1481085376","https://openalex.org/W2290357330","https://openalex.org/W2127842502","https://openalex.org/W1993593427","https://openalex.org/W2040905334","https://openalex.org/W1992969701"],"abstract_inverted_index":{"Most":[0],"assessments":[1],"of":[2,13,41,66,157,169,175,195,207,210,221],"allelopathy":[3],"involve":[4],"bioassays.":[5],"Our":[6],"objective":[7],"was":[8,49,98,115,130,166,184,203],"to":[9,25,51,83,102,122,187,227],"improve":[10],"the":[11,52,103,113,118,126,141,148,204,228],"sensitivity":[12],"an":[14,162],"alfalfa":[15,211,222],"(Medicago":[16],"sativa":[17],"L.)":[18],"seedling":[19],"bioassay":[20],"for":[21,172,223],"evaluating":[22],"genetic":[23],"tolerance":[24],"autotoxic":[26,104,208,229],"leaf":[27,196,212],"extracts.":[28,213],"In":[29],"a":[30,133,233],"petri":[31,77],"dish":[32],"assay":[33],"on":[34,81,106],"imbibed":[35],"seed,":[36],"light":[37,56],"inhibited":[38],"hypocotyl":[39,119,142],"elongation":[40],"controls":[42,67,190],"and":[43,57,68,179,218,231],"increased":[44],"root":[45,64,86,158,224],"elongation.":[46],"Root":[47,182,198],"growth":[48,65,87,97,129,183,225],"sensitive":[50,101,131],"autotoxin":[53],"in":[54,132,144,239],"both":[55],"darkness.":[58],"An":[59],"agar":[60,108,151],"medium":[61,111],"gave":[62],"better":[63],"lower":[69],"standard":[70],"errors":[71],"than":[72],"did":[73],"filter":[74],"paper":[75,110,135],"when":[76,112],"dishes":[78],"were":[79,89],"placed":[80,90,153],"edge":[82],"encourage":[84],"downward":[85],"or":[88,109],"flat":[91],"where":[92],"roots":[93],"grew":[94],"laterally.":[95],"Hypocotyl":[96,128],"not":[99],"very":[100,192],"chemical(s)":[105],"either":[107],"plate":[114],"flat,":[116,154],"because":[117,140],"arched":[120],"upward":[121],"escape":[123],"contact":[124,146],"with":[125,147],"extract.":[127,149,197],"rolled":[134],"towel":[136],"treatment":[137],"held":[138],"vertically":[139],"remained":[143],"continuous":[145],"On":[150],"plates":[152],"50%":[155,173],"inhibition":[156,174],"length":[159,199],"occurred":[160],"at":[161,177,191,200],"extract":[163],"concentration":[164],"that":[165,170],"about":[167],"8%":[168],"needed":[171],"germination":[176],"36":[178],"48":[180],"h.":[181],"stimulated":[185],"up":[186],"15%":[188],"above":[189],"low":[193],"concentrations":[194],"120":[201],"h":[202],"best":[205],"indicator":[206],"effects":[209],"We":[214],"evaluated":[215],"17":[216],"germplasms":[217],"three":[219],"cultivars":[220],"response":[226],"chemical":[230],"found":[232],"twofold":[234],"range":[235],"(P":[236],"<":[237],"0.05)":[238],"tolerance.":[240]},"counts_by_year":[{"year":2026,"cited_by_count":2},{"year":2025,"cited_by_count":2},{"year":2023,"cited_by_count":1},{"year":2022,"cited_by_count":1},{"year":2021,"cited_by_count":3},{"year":2020,"cited_by_count":2},{"year":2019,"cited_by_count":3},{"year":2018,"cited_by_count":4},{"year":2017,"cited_by_count":2},{"year":2016,"cited_by_count":3},{"year":2015,"cited_by_count":4},{"year":2014,"cited_by_count":4},{"year":2013,"cited_by_count":7},{"year":2012,"cited_by_count":5}],"updated_date":"2026-11-07T11:25:07.637180","created_date":"2016-06-24T00:00:00"}