{"id":"https://openalex.org/W322338944","doi":"https://doi.org/10.1017/s0043174500088433","title":"Emergence Periodicity of Six Summer Annual Weed Species","display_name":"Emergence Periodicity of Six Summer Annual Weed Species","publication_year":1991,"publication_date":"1991-12-01","ids":{"openalex":"https://openalex.org/W322338944","doi":"https://doi.org/10.1017/s0043174500088433","mag":"322338944"},"language":"en","primary_location":{"id":"doi:10.1017/s0043174500088433","doi":"https://doi.org/10.1017/s0043174500088433","is_oa":false,"landing_page_url":"https://doi.org/10.1017/s0043174500088433","pdf_url":null,"source":{"id":"https://openalex.org/S78839210","display_name":"Weed Science","issn_l":"0043-1745","issn":["0043-1745","1550-2759"],"is_oa":false,"is_in_doaj":false,"is_core":true,"listed_in":["cwts-core","dongbi-c","jufo-1","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":"Weed 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/A5040328145","display_name":"G. H. Egley","orcid":null,"observed_orcids":[]},"institutions":[{"id":"https://openalex.org/I1312222531","display_name":"Agricultural Research Service","ror":"https://ror.org/02d2m2044","country_code":"US","type":"government","lineage":["https://openalex.org/I1312222531","https://openalex.org/I1336096307"]},{"id":"https://openalex.org/I1336096307","display_name":"United States Department of Agriculture","ror":"https://ror.org/01na82s61","country_code":"US","type":"government","lineage":["https://openalex.org/I1336096307"]}],"countries":["US"],"is_corresponding":false,"raw_author_name":"Grant H. Egley","raw_affiliation_strings":["U.S. Dep. Agric. Res. Serv., South. Weed Sci. Lab., Stoneville, MS 38776, USDA-ARS, Water Quality and Watershed Res. Lab., Durant, OK 74702"],"raw_orcid":null,"affiliations":[{"raw_affiliation_string":"U.S. Dep. Agric. Res. Serv., South. Weed Sci. Lab., Stoneville, MS 38776, USDA-ARS, Water Quality and Watershed Res. Lab., Durant, OK 74702","institution_ids":["https://openalex.org/I1312222531","https://openalex.org/I1336096307"]}]},{"author_position":"last","author":{"id":"https://openalex.org/A5109222557","display_name":"Robert D. Williams","orcid":"https://orcid.org/0009-0001-7963-983X","observed_orcids":["https://orcid.org/0009-0001-7963-983X"]},"institutions":[{"id":"https://openalex.org/I1312222531","display_name":"Agricultural Research Service","ror":"https://ror.org/02d2m2044","country_code":"US","type":"government","lineage":["https://openalex.org/I1312222531","https://openalex.org/I1336096307"]},{"id":"https://openalex.org/I1336096307","display_name":"United States Department of Agriculture","ror":"https://ror.org/01na82s61","country_code":"US","type":"government","lineage":["https://openalex.org/I1336096307"]}],"countries":["US"],"is_corresponding":false,"raw_author_name":"Robert D. Williams","raw_affiliation_strings":["U.S. Dep. Agric. Res. Serv., South. Weed Sci. Lab., Stoneville, MS 38776, USDA-ARS, Water Quality and Watershed Res. Lab., Durant, OK 74702"],"raw_orcid":null,"affiliations":[{"raw_affiliation_string":"U.S. Dep. Agric. Res. Serv., South. Weed Sci. Lab., Stoneville, MS 38776, USDA-ARS, Water Quality and Watershed Res. Lab., Durant, OK 74702","institution_ids":["https://openalex.org/I1312222531","https://openalex.org/I1336096307"]}]}],"institutions":[],"countries_distinct_count":1,"institutions_distinct_count":2,"corresponding_author_ids":[],"corresponding_institution_ids":[],"apc_list":{"value":3550,"currency":"USD","value_usd":3550},"apc_paid":null,"fwci":1.974,"has_fulltext":false,"cited_by_count":54,"citation_normalized_percentile":{"value":0.84704527,"is_in_top_1_percent":false,"is_in_top_10_percent":false},"cited_by_percentile_year":{"min":87,"max":97},"biblio":{"volume":"39","issue":"4","first_page":"595","last_page":"600"},"is_retracted":false,"is_paratext":false,"is_xpac":false,"primary_topic":{"id":"https://openalex.org/T10774","display_name":"Weed Control and Herbicide Applications","score":0.9771000146865845,"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/T10774","display_name":"Weed Control and Herbicide Applications","score":0.9771000146865845,"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/T11098","display_name":"Seed Germination and Physiology","score":0.011900000274181366,"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/T12058","display_name":"Allelopathy and phytotoxic interactions","score":0.0035000001080334187,"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/summer-annual-weeds","display_name":"summer annual weeds","score":0.8389999866485596},{"id":"https://openalex.org/keywords/purslane","display_name":"Portulaca oleracea","score":0.9330000281333923},{"id":"https://openalex.org/keywords/hemp-sesbania","display_name":"hemp sesbania","score":0.9819999933242798},{"id":"https://openalex.org/keywords/prickly-sida","display_name":"prickly sida","score":0.9990000128746033},{"id":"https://openalex.org/keywords/abutilon-theophrasti","display_name":"Abutilon theophrasti","score":1.0},{"id":"https://openalex.org/keywords/tillage-depth","display_name":"tillage depth","score":0.7419999837875366},{"id":"https://openalex.org/keywords/soil-temperature","display_name":"soil temperature","score":0.9390000104904175},{"id":"https://openalex.org/keywords/water-balance","display_name":"water balance","score":0.9670000076293945},{"id":"https://openalex.org/keywords/seed-germination","display_name":"seed germination","score":0.7239999771118164}],"concepts":[{"id":"https://openalex.org/C2775891814","wikidata":"https://www.wikidata.org/wiki/Q101879","display_name":"Weed","level":2,"score":0.7309006452560425},{"id":"https://openalex.org/C86803240","wikidata":"https://www.wikidata.org/wiki/Q420","display_name":"Biology","level":0,"score":0.688696026802063},{"id":"https://openalex.org/C2777575642","wikidata":"https://www.wikidata.org/wiki/Q311305","display_name":"Sesbania","level":2,"score":0.6434800624847412},{"id":"https://openalex.org/C137660486","wikidata":"https://www.wikidata.org/wiki/Q732240","display_name":"Growing season","level":2,"score":0.581223726272583},{"id":"https://openalex.org/C6557445","wikidata":"https://www.wikidata.org/wiki/Q173113","display_name":"Agronomy","level":1,"score":0.5360226035118103},{"id":"https://openalex.org/C16397148","wikidata":"https://www.wikidata.org/wiki/Q878333","display_name":"Tillage","level":2,"score":0.4274289309978485}],"mesh":[],"locations_count":1,"locations":[{"id":"doi:10.1017/s0043174500088433","doi":"https://doi.org/10.1017/s0043174500088433","is_oa":false,"landing_page_url":"https://doi.org/10.1017/s0043174500088433","pdf_url":null,"source":{"id":"https://openalex.org/S78839210","display_name":"Weed Science","issn_l":"0043-1745","issn":["0043-1745","1550-2759"],"is_oa":false,"is_in_doaj":false,"is_core":true,"listed_in":["cwts-core","dongbi-c","jufo-1","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":"Weed Science","raw_type":"journal-article"}],"best_oa_location":null,"sustainable_development_goals":[{"display_name":"Zero hunger","score":0.6735000014305115,"id":"https://metadata.un.org/sdg/2"}],"study_designs":[],"awards":[],"funders":[{"id":"https://openalex.org/F4320306114","display_name":"U.S. Department of Agriculture","ror":"https://ror.org/01na82s61"}],"has_content":{"grobid_xml":false,"pdf":false},"content_urls":null,"referenced_works_count":22,"referenced_works":["https://openalex.org/W273053721","https://openalex.org/W644323722","https://openalex.org/W1552893656","https://openalex.org/W1577043207","https://openalex.org/W1903609661","https://openalex.org/W1965196814","https://openalex.org/W1973310768","https://openalex.org/W1973527245","https://openalex.org/W1985339332","https://openalex.org/W2015486339","https://openalex.org/W2056149745","https://openalex.org/W2061006417","https://openalex.org/W2063026411","https://openalex.org/W2069810524","https://openalex.org/W2081471284","https://openalex.org/W2145687234","https://openalex.org/W2169236573","https://openalex.org/W2215335336","https://openalex.org/W2439570309","https://openalex.org/W2784177909","https://openalex.org/W2946260805","https://openalex.org/W2992982035"],"related_works":["https://openalex.org/W2069810524","https://openalex.org/W2101485838","https://openalex.org/W792109582","https://openalex.org/W306487263","https://openalex.org/W279197208","https://openalex.org/W4283218524","https://openalex.org/W1451778047","https://openalex.org/W2215335336","https://openalex.org/W2068906734","https://openalex.org/W1973310768"],"abstract_inverted_index":{"Emergence":[0],"periodicity":[1,59],"of":[2,30,35,50,60,74,106,156,175,182,201,217,224,231,252,261,269],"common":[3,138],"purslane,":[4,8,139,141],"hemp":[5,142,187],"sesbania,":[6,143],"horse":[7,140],"prickly":[9,144,184],"sida,":[10,145,185],"spurred":[11,147],"anoda,":[12],"and":[13,81,131,146,186,211,234,242,265],"velvetleaf":[14],"was":[15,65,205,227],"determined":[16],"from":[17,100],"March":[18,34,101,198],"to":[19,39,48,121,228,249,255],"October":[20],"during":[21,88,95,150,161,170,197,207,222],"5":[22,116,163],"yr":[23],"at":[24,85],"Stoneville,":[25],"MS,":[26],"in":[27,78,239,257],"the":[28,61,89,96,109,115,122,125,151,162,171,214,225,232,262,270],"absence":[29],"reseeding.":[31],"In":[32,70,135],"early":[33,97,123,172,233,263],"each":[36,71,202,208],"year":[37,203,226],"prior":[38],"emergence":[40,58,107,181,237,244],"determinations,":[41],"plots":[42],"were":[43,159,246],"not":[44,66],"tilled":[45,47],"or":[46,54,124,133],"depths":[49],"0,":[51],"5,":[52],"10,":[53],"15":[55],"cm.":[56],"Yearly":[57],"six":[62],"weed":[63],"species":[64,76,111],"affected":[67],"by":[68],"tillage.":[69],"year,":[72],"weeds":[73],"all":[75],"emerged":[77,84,93,149],"identifiable":[79],"flushes":[80],"very":[82],"few":[83],"other":[86,110],"times":[87],"growing":[90,98,173],"season.":[91],"Velvetleaf":[92],"mainly":[94],"season":[99,174,264],"through":[102,199],"May.":[103],"Peak":[104],"periods":[105,238],"for":[108],"varied":[112,196],"slightly":[113],"over":[114],"yr,":[117,164],"but":[118,165,204],"conformed":[119],"generally":[120],"midseason":[126,152,235,243],"peak":[127,236],"period":[128],"(June,":[129],"July,":[130,210],"August)":[132],"both.":[134],"most":[136,223],"years,":[137],"anoda":[148],"period.":[153],"Annual":[154],"patterns":[155],"temperature":[157],"fluctuations":[158],"similar":[160],"relatively":[166],"warm":[167],"soil":[168,259,267],"temperatures":[169,260,268],"1977":[176],"may":[177],"have":[178],"caused":[179],"earlier":[180],"velvetleaf,":[183],"sesbania.":[188],"Weekly":[189],"water":[190,220],"balance":[191,221],"(rainfall":[192],"minus":[193],"open-pan":[194],"evaporation)":[195],"May":[200],"negative":[206],"June,":[209],"August.":[212],"Apparently":[213],"main":[215],"effect":[216],"a":[218],"positive":[219],"cause":[229],"merger":[230],"1979.":[240],"Early":[241],"peaks":[245],"possibly":[247],"due":[248],"different":[250],"populations":[251],"seeds":[253],"able":[254],"germinate":[256],"cooler":[258],"warmer":[266],"midseason,":[271],"respectively.":[272]},"counts_by_year":[{"year":2023,"cited_by_count":2},{"year":2021,"cited_by_count":1},{"year":2020,"cited_by_count":3},{"year":2019,"cited_by_count":1},{"year":2017,"cited_by_count":1},{"year":2016,"cited_by_count":3},{"year":2015,"cited_by_count":2},{"year":2014,"cited_by_count":2},{"year":2013,"cited_by_count":1},{"year":2012,"cited_by_count":4}],"updated_date":"2026-11-04T10:54:05.112534","created_date":"2016-06-24T00:00:00"}