{"id":"https://openalex.org/W2080418190","doi":"https://doi.org/10.2134/agronj1977.00021962006900030024x","title":"Effect of Forage Harvest Frequency on Subsequent Alfalfa Seed Production and Pollen Quality1","display_name":"Effect of Forage Harvest Frequency on Subsequent Alfalfa Seed Production and Pollen Quality1","publication_year":1977,"publication_date":"1977-05-01","ids":{"openalex":"https://openalex.org/W2080418190","doi":"https://doi.org/10.2134/agronj1977.00021962006900030024x","mag":"2080418190"},"language":"en","primary_location":{"id":"doi:10.2134/agronj1977.00021962006900030024x","doi":"https://doi.org/10.2134/agronj1977.00021962006900030024x","is_oa":false,"landing_page_url":"https://doi.org/10.2134/agronj1977.00021962006900030024x","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/A5000250693","display_name":"S. Abu\u2010Shakra","orcid":null,"observed_orcids":[]},"institutions":[],"countries":[],"is_corresponding":false,"raw_author_name":"S. Abu\u2010Shakra","raw_affiliation_strings":[],"raw_orcid":null,"affiliations":[]},{"author_position":"middle","author":{"id":"https://openalex.org/A5046831876","display_name":"M. Latif Bhatti .","orcid":null,"observed_orcids":[]},"institutions":[],"countries":[],"is_corresponding":false,"raw_author_name":"M. L. Bhatti","raw_affiliation_strings":[],"raw_orcid":null,"affiliations":[]},{"author_position":"last","author":{"id":"https://openalex.org/A5048017528","display_name":"Hafizuddin Ahmed","orcid":null,"observed_orcids":[]},"institutions":[{"id":"https://openalex.org/I84218800","display_name":"University of California, Davis","ror":"https://ror.org/05rrcem69","country_code":"US","type":"education","lineage":["https://openalex.org/I84218800"]}],"countries":["US"],"is_corresponding":false,"raw_author_name":"H. Ahmed","raw_affiliation_strings":["Associate professor of agronomy (presently visiting agronomist, Dep. of Agronomy and Range Science, Univ. of California, Davis, CA 95616) and graduate students, respectively"],"raw_orcid":null,"affiliations":[{"raw_affiliation_string":"Associate professor of agronomy (presently visiting agronomist, Dep. of Agronomy and Range Science, Univ. of California, Davis, CA 95616) and graduate students, respectively","institution_ids":["https://openalex.org/I84218800"]}]}],"institutions":[],"countries_distinct_count":1,"institutions_distinct_count":1,"corresponding_author_ids":[],"corresponding_institution_ids":[],"apc_list":{"value":1800,"currency":"USD","value_usd":1800},"apc_paid":null,"fwci":0.0,"has_fulltext":false,"cited_by_count":9,"citation_normalized_percentile":{"value":0.0,"is_in_top_1_percent":false,"is_in_top_10_percent":false},"cited_by_percentile_year":{"min":88,"max":95},"biblio":{"volume":"69","issue":"3","first_page":"428","last_page":"431"},"is_retracted":false,"is_paratext":false,"is_xpac":false,"primary_topic":{"id":"https://openalex.org/T13628","display_name":"Agricultural Productivity and Crop Improvement","score":0.9390000104904175,"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/T13628","display_name":"Agricultural Productivity and Crop Improvement","score":0.9390000104904175,"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/T13591","display_name":"Pasture and Agricultural Systems","score":0.021700000390410423,"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/T12115","display_name":"Genetic and Environmental Crop Studies","score":0.012900000438094139,"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":0.9860000014305115},{"id":"https://openalex.org/keywords/seed-production","display_name":"seed production","score":0.6140000224113464},{"id":"https://openalex.org/keywords/pollen-quality","display_name":"pollen quality","score":0.9120000004768372},{"id":"https://openalex.org/keywords/pollen-tube-growth","display_name":"pollen tube growth","score":0.8299999833106995},{"id":"https://openalex.org/keywords/pollen-viability","display_name":"pollen viability","score":0.7120000123977661},{"id":"https://openalex.org/keywords/seed-yield-components","display_name":"seed yield components","score":0.8149999976158142},{"id":"https://openalex.org/keywords/leafcutter-bees","display_name":"Megachile","score":0.9769999980926514},{"id":"https://openalex.org/keywords/andrena","display_name":"Andrena","score":0.9990000128746033},{"id":"https://openalex.org/keywords/lebanon","display_name":"Lebanon","score":0.3109999895095825}],"concepts":[{"id":"https://openalex.org/C145555007","wikidata":"https://www.wikidata.org/wiki/Q158583","display_name":"Raceme","level":3,"score":0.9125078916549683},{"id":"https://openalex.org/C2779370140","wikidata":"https://www.wikidata.org/wiki/Q13377214","display_name":"Forage","level":2,"score":0.8366739749908447},{"id":"https://openalex.org/C6557445","wikidata":"https://www.wikidata.org/wiki/Q173113","display_name":"Agronomy","level":1,"score":0.720873236656189},{"id":"https://openalex.org/C86803240","wikidata":"https://www.wikidata.org/wiki/Q420","display_name":"Biology","level":0,"score":0.7157514095306396},{"id":"https://openalex.org/C137580998","wikidata":"https://www.wikidata.org/wiki/Q235352","display_name":"Crop","level":2,"score":0.6615033745765686},{"id":"https://openalex.org/C2780618852","wikidata":"https://www.wikidata.org/wiki/Q79932","display_name":"Pollen","level":2,"score":0.6506788730621338},{"id":"https://openalex.org/C2992847057","wikidata":"https://www.wikidata.org/wiki/Q156106","display_name":"Medicago sativa","level":2,"score":0.6056865453720093},{"id":"https://openalex.org/C100701293","wikidata":"https://www.wikidata.org/wiki/Q193838","display_name":"Germination","level":2,"score":0.5775137543678284},{"id":"https://openalex.org/C168197293","wikidata":"https://www.wikidata.org/wiki/Q134624","display_name":"Pollination","level":3,"score":0.49845194816589355},{"id":"https://openalex.org/C2776747608","wikidata":"https://www.wikidata.org/wiki/Q58677","display_name":"Brassica","level":2,"score":0.4292725920677185},{"id":"https://openalex.org/C144027150","wikidata":"https://www.wikidata.org/wiki/Q48803","display_name":"Horticulture","level":1,"score":0.30569958686828613},{"id":"https://openalex.org/C59822182","wikidata":"https://www.wikidata.org/wiki/Q441","display_name":"Botany","level":1,"score":0.17553001642227173},{"id":"https://openalex.org/C178165689","wikidata":"https://www.wikidata.org/wiki/Q156428","display_name":"Inflorescence","level":2,"score":0.10253441333770752}],"mesh":[],"locations_count":2,"locations":[{"id":"doi:10.2134/agronj1977.00021962006900030024x","doi":"https://doi.org/10.2134/agronj1977.00021962006900030024x","is_oa":false,"landing_page_url":"https://doi.org/10.2134/agronj1977.00021962006900030024x","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"},{"id":"pmh:oai:digitalcommons.usu.edu:bee_lab_a-1017","doi":null,"is_oa":false,"landing_page_url":"https://digitalcommons.usu.edu/bee_lab_a/18","pdf_url":null,"source":{"id":"https://openalex.org/S4377196327","display_name":"Digital Commons - USU (Utah State University)","issn_l":null,"issn":null,"is_oa":false,"is_in_doaj":false,"is_core":false,"listed_in":[],"host_organization":"https://openalex.org/I121980950","host_organization_name":"Utah State University","host_organization_lineage":["https://openalex.org/I121980950"],"host_organization_lineage_names":[],"type":"repository"},"license":null,"license_id":null,"version":"submittedVersion","is_accepted":false,"is_published":false,"raw_source_name":"A","raw_type":"text"}],"best_oa_location":null,"sustainable_development_goals":[{"score":0.991100013256073,"id":"https://metadata.un.org/sdg/2","display_name":"Zero hunger"}],"study_designs":[],"awards":[],"funders":[],"has_content":{"grobid_xml":false,"pdf":false},"content_urls":null,"referenced_works_count":0,"referenced_works":[],"related_works":["https://openalex.org/W7056138947","https://openalex.org/W4301585467","https://openalex.org/W1525583472","https://openalex.org/W1981252071","https://openalex.org/W2048869937","https://openalex.org/W2196227909","https://openalex.org/W2007584946","https://openalex.org/W4206365893","https://openalex.org/W7015063667","https://openalex.org/W7054646564"],"abstract_inverted_index":{"Abstract":[0],"The":[1,82,103,113],"most":[2,195],"suitable":[3],"time":[4],"during":[5],"the":[6,28,36,87,110,126,135,146,164,201,208,211],"growing":[7],"season":[8],"for":[9],"maximum":[10],"seed":[11,38,59,78,84,105,114,128,139,213],"production":[12,39],"of":[13,30,44,97,109,117,119,125,134,175,203,210,223,226,229,232,236],"alfalfa":[14,46,52,241],"(Medicago":[15],"sativa":[16],"L.)":[17],"depends":[18],"on":[19,35],"geographic":[20],"area.":[21],"This":[22,205],"investigation":[23],"was":[24,80,179,194],"undertaken":[25],"to":[26,159,200],"study":[27],"influence":[29],"four":[31,73],"forage":[32,68,74,91,184,219],"harvest":[33,79,92],"treatments":[34,93],"subsequent":[37],"and":[40,56,66,72,89,99,123,155,173,217,234],"pollen":[41,188],"quality":[42],"characteristics":[43],"irrigated":[45],"in":[47,145,163],"Lebanon.":[48],"In":[49],"addition,":[50],"wild":[51],"pollinators":[53],"were":[54,61,130,141,238],"collected":[55],"identified.":[57],"Two":[58],"crops":[60,85],"produced":[62,94],"after":[63,192,215],"both":[64],"one":[65,77,88,216,228,231],"two":[67,83,90,218,235],"harvests.":[69,220],"After":[70],"three":[71],"harvests,":[75],"only":[76],"produced.":[81],"following":[86],"mean":[95],"yields":[96],"1,116":[98],"1,140":[100],"kg/ha,":[101],"respectively.":[102],"first":[104,127,165,212],"crop":[106,129,148,166,214],"contributed":[107],"83%":[108],"total":[111],"yield.":[112],"yield":[115],"components":[116],"number":[118],"stems/plant,":[120],"racemes/stem,":[121],"pods/raceme,":[122],"seeds/pod":[124],"higher":[131],"than":[132,143,161],"those":[133],"second":[136,147],"crop.":[137],"Hard":[138],"percentages":[140],"more":[142],"50%":[144],"where":[149,167],"seeds":[150,168],"developed":[151,169],"between":[152,170],"late":[153,171,198],"September":[154],"early":[156],"November,":[157],"compared":[158],"less":[160],"20%":[162],"June":[172],"end":[174,202],"August.":[176],"Pollen":[177],"viability":[178],"not":[180],"significantly":[181],"influenced":[182],"by":[183],"cutting":[185],"treatment.":[186],"However,":[187],"tube":[189],"growth":[190],"immediately":[191],"germination":[193],"vigorous":[196],"from":[197],"May":[199],"June.":[204],"coincided":[206],"with":[207],"flowering":[209],"Four":[221],"species":[222],"Megachile,":[224],"nine":[225],"Andrena,":[227],"Halictus,":[230],"Anthidium":[233],"Anthophora":[237],"identified":[239],"as":[240],"pollinators.":[242]},"counts_by_year":[{"year":2026,"cited_by_count":1},{"year":2022,"cited_by_count":1},{"year":2014,"cited_by_count":1},{"year":2012,"cited_by_count":1}],"updated_date":"2026-11-04T10:54:05.112534","created_date":"2016-06-24T00:00:00"}