{"id":"https://openalex.org/W2052828337","doi":"https://doi.org/10.1111/j.1439-037x.1995.tb01133.x","title":"An Improved Non\u2010destructive Method for Rapid Estimation of Leaf Area in Sunflower Genotypes","display_name":"An Improved Non\u2010destructive Method for Rapid Estimation of Leaf Area in Sunflower Genotypes","publication_year":1995,"publication_date":"1995-09-01","ids":{"openalex":"https://openalex.org/W2052828337","doi":"https://doi.org/10.1111/j.1439-037x.1995.tb01133.x","mag":"2052828337"},"language":"en","primary_location":{"id":"doi:10.1111/j.1439-037x.1995.tb01133.x","doi":"https://doi.org/10.1111/j.1439-037x.1995.tb01133.x","is_oa":false,"landing_page_url":"https://doi.org/10.1111/j.1439-037x.1995.tb01133.x","pdf_url":null,"source":{"id":"https://openalex.org/S56137335","display_name":"Journal of Agronomy and Crop Science","issn_l":"0931-2250","issn":["0931-2250","1439-037X"],"is_oa":false,"is_in_doaj":false,"is_core":true,"listed_in":["cwts-core","dongbi-c","jufo-1","norway-1","poland-140","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":"Journal of Agronomy and Crop Science","raw_type":"journal-article"},"volume":null,"type":"article","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/A5067557715","display_name":"Y. A. Nanja Reddy","orcid":"https://orcid.org/0000-0002-6589-3271","observed_orcids":["https://orcid.org/0000-0002-6589-3271"]},"institutions":[{"id":"https://openalex.org/I199921877","display_name":"University of Agricultural Sciences, Bangalore","ror":"https://ror.org/03js6zg56","country_code":"IN","type":"education","lineage":["https://openalex.org/I199921877"]}],"countries":["IN"],"is_corresponding":false,"raw_author_name":"Y. A. Nanja Reddy","raw_affiliation_strings":["Department of Crop Physiology and Project Co-ordinating Unit (Sunflower), University of Agricultural Sciences, GKVK, Bangalore 560 065, India"],"raw_orcid":null,"affiliations":[{"raw_affiliation_string":"Department of Crop Physiology and Project Co-ordinating Unit (Sunflower), University of Agricultural Sciences, GKVK, Bangalore 560 065, India","institution_ids":["https://openalex.org/I199921877"]}]},{"author_position":"middle","author":{"id":"https://openalex.org/A5029633310","display_name":"M. N. Keshava Murthy","orcid":null,"observed_orcids":[]},"institutions":[{"id":"https://openalex.org/I199921877","display_name":"University of Agricultural Sciences, Bangalore","ror":"https://ror.org/03js6zg56","country_code":"IN","type":"education","lineage":["https://openalex.org/I199921877"]}],"countries":["IN"],"is_corresponding":false,"raw_author_name":"M. N. Keshava Murthy","raw_affiliation_strings":["Department of Crop Physiology and Project Co-ordinating Unit (Sunflower), University of Agricultural Sciences, GKVK, Bangalore 560 065, India"],"raw_orcid":null,"affiliations":[{"raw_affiliation_string":"Department of Crop Physiology and Project Co-ordinating Unit (Sunflower), University of Agricultural Sciences, GKVK, Bangalore 560 065, India","institution_ids":["https://openalex.org/I199921877"]}]},{"author_position":"middle","author":{"id":"https://openalex.org/A5069378817","display_name":"K. Virupakshappa","orcid":null,"observed_orcids":[]},"institutions":[{"id":"https://openalex.org/I199921877","display_name":"University of Agricultural Sciences, Bangalore","ror":"https://ror.org/03js6zg56","country_code":"IN","type":"education","lineage":["https://openalex.org/I199921877"]}],"countries":["IN"],"is_corresponding":false,"raw_author_name":"K. Virupakshappa","raw_affiliation_strings":["Department of Crop Physiology and Project Co-ordinating Unit (Sunflower), University of Agricultural Sciences, GKVK, Bangalore 560 065, India"],"raw_orcid":null,"affiliations":[{"raw_affiliation_string":"Department of Crop Physiology and Project Co-ordinating Unit (Sunflower), University of Agricultural Sciences, GKVK, Bangalore 560 065, India","institution_ids":["https://openalex.org/I199921877"]}]},{"author_position":"last","author":{"id":"https://openalex.org/A5062419629","display_name":"Ramanan Uma Shaanker","orcid":"https://orcid.org/0000-0003-3100-7654","observed_orcids":["https://orcid.org/0000-0003-3100-7654"]},"institutions":[{"id":"https://openalex.org/I199921877","display_name":"University of Agricultural Sciences, Bangalore","ror":"https://ror.org/03js6zg56","country_code":"IN","type":"education","lineage":["https://openalex.org/I199921877"]}],"countries":["IN"],"is_corresponding":false,"raw_author_name":"R. Uma Shaanker","raw_affiliation_strings":["Department of Crop Physiology and Project Co-ordinating Unit (Sunflower), University of Agricultural Sciences, GKVK, Bangalore 560 065, India"],"raw_orcid":null,"affiliations":[{"raw_affiliation_string":"Department of Crop Physiology and Project Co-ordinating Unit (Sunflower), University of Agricultural Sciences, GKVK, Bangalore 560 065, India","institution_ids":["https://openalex.org/I199921877"]}]}],"institutions":[],"countries_distinct_count":1,"institutions_distinct_count":1,"corresponding_author_ids":[],"corresponding_institution_ids":["https://openalex.org/I199921877"],"apc_list":{"value":4780,"currency":"USD","value_usd":4780},"apc_paid":null,"fwci":0.0,"has_fulltext":false,"cited_by_count":3,"citation_normalized_percentile":{"value":0.24471165,"is_in_top_1_percent":false,"is_in_top_10_percent":false},"cited_by_percentile_year":{"min":89,"max":94},"biblio":{"volume":"175","issue":"2","first_page":"83","last_page":"86"},"is_retracted":false,"is_paratext":false,"is_xpac":false,"primary_topic":{"id":"https://openalex.org/T14365","display_name":"Leaf Properties and Growth Measurement","score":0.9707000255584717,"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/T14365","display_name":"Leaf Properties and Growth Measurement","score":0.9707000255584717,"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/T12742","display_name":"Sunflower and Safflower Cultivation","score":0.029200000688433647,"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/T10111","display_name":"Remote Sensing in Agriculture","score":0.0,"subfield":{"id":"https://openalex.org/subfields/2303","display_name":"Ecology"},"field":{"id":"https://openalex.org/fields/23","display_name":"Environmental Science"},"domain":{"id":"https://openalex.org/domains/3","display_name":"Physical Sciences"}}],"keywords":[{"id":"https://openalex.org/keywords/sunflower","display_name":"sunflower","score":0.9089999794960022},{"id":"https://openalex.org/keywords/leaf-area-estimation","display_name":"leaf area estimation","score":0.9769999980926514},{"id":"https://openalex.org/keywords/nondestructive-measurement","display_name":"non-destructive measurement","score":0.9660000205039978},{"id":"https://openalex.org/keywords/anthesis","display_name":"anthesis","score":0.7820000052452087},{"id":"https://openalex.org/keywords/number-of-leaves-per-plant","display_name":"number of leaves per plant","score":0.8339999914169312},{"id":"https://openalex.org/keywords/crop-improvement","display_name":"crop improvement","score":0.5669999718666077},{"id":"https://openalex.org/keywords/genotype-comparison","display_name":"genotype comparison","score":0.36399999260902405}],"concepts":[{"id":"https://openalex.org/C2779197568","wikidata":"https://www.wikidata.org/wiki/Q423986","display_name":"Sunflower","level":2,"score":0.9291919469833374},{"id":"https://openalex.org/C2780512892","wikidata":"https://www.wikidata.org/wiki/Q593803","display_name":"Anthesis","level":3,"score":0.7858176231384277},{"id":"https://openalex.org/C6557445","wikidata":"https://www.wikidata.org/wiki/Q173113","display_name":"Agronomy","level":1,"score":0.643258810043335},{"id":"https://openalex.org/C86803240","wikidata":"https://www.wikidata.org/wiki/Q420","display_name":"Biology","level":0,"score":0.5134904980659485},{"id":"https://openalex.org/C2778181364","wikidata":"https://www.wikidata.org/wiki/Q171497","display_name":"Helianthus annuus","level":3,"score":0.5055346488952637},{"id":"https://openalex.org/C25989453","wikidata":"https://www.wikidata.org/wiki/Q446746","display_name":"Leaf area index","level":2,"score":0.491254985332489},{"id":"https://openalex.org/C137580998","wikidata":"https://www.wikidata.org/wiki/Q235352","display_name":"Crop","level":2,"score":0.4539269804954529},{"id":"https://openalex.org/C33923547","wikidata":"https://www.wikidata.org/wiki/Q395","display_name":"Mathematics","level":0,"score":0.4425588548183441},{"id":"https://openalex.org/C144027150","wikidata":"https://www.wikidata.org/wiki/Q48803","display_name":"Horticulture","level":1,"score":0.3529365062713623},{"id":"https://openalex.org/C197321923","wikidata":"https://www.wikidata.org/wiki/Q4886","display_name":"Cultivar","level":2,"score":0.2878910005092621}],"mesh":[],"locations_count":1,"locations":[{"id":"doi:10.1111/j.1439-037x.1995.tb01133.x","doi":"https://doi.org/10.1111/j.1439-037x.1995.tb01133.x","is_oa":false,"landing_page_url":"https://doi.org/10.1111/j.1439-037x.1995.tb01133.x","pdf_url":null,"source":{"id":"https://openalex.org/S56137335","display_name":"Journal of Agronomy and Crop Science","issn_l":"0931-2250","issn":["0931-2250","1439-037X"],"is_oa":false,"is_in_doaj":false,"is_core":true,"listed_in":["cwts-core","dongbi-c","jufo-1","norway-1","poland-140","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":"Journal of Agronomy and Crop Science","raw_type":"journal-article"}],"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":1,"referenced_works":["https://openalex.org/W2020200850"],"related_works":["https://openalex.org/W2020200850","https://openalex.org/W2064937220","https://openalex.org/W2076328225","https://openalex.org/W2611524955","https://openalex.org/W2045165316","https://openalex.org/W2011887607","https://openalex.org/W2128487779","https://openalex.org/W2780744238","https://openalex.org/W322074668","https://openalex.org/W2295571205"],"abstract_inverted_index":{"Abstract":[0],"Measurement":[1],"of":[2,15,34,45,54,66,99,124,135],"total":[3,37,64,71,97],"leaf":[4,38,52,57,72,82,125],"area":[5,39,53,73,126],"per":[6,68,101,127],"plant":[7,69,102,128],"in":[8,40,88],"crop":[9],"improvement":[10],"programmes":[11],"for":[12,84,120,131],"a":[13,29,55],"variety":[14],"purposes":[16],"is":[17],"often":[18],"very":[19],"tedious":[20],"and":[21,31,107],"time":[22,44],"consuming.":[23],"In":[24],"this":[25],"paper,":[26],"we":[27],"offer":[28],"rapid":[30,122],"non\u2010destructive":[32],"method":[33],"estimating":[35],"the":[36,43,51,60,63,96,104,111,121],"sunflower":[41,89],"at":[42,93,129],"anthesis.":[46],"We":[47],"show":[48],"that":[49],"multiplying":[50,95],"specific":[56,81],"position":[58,83],"from":[59],"apex":[61],"by":[62,94,103],"number":[65,98],"leaves":[67,100],"yields":[70],"with":[74],"more":[75],"than":[76],"95":[77],"%":[78],"accuracy.":[79],"The":[80],"any":[85,132],"given":[86,133],"genotype":[87,134],"can":[90,117],"be":[91,118],"arrived":[92],"factor":[105],"0.355":[106],"rounding":[108],"off":[109],"to":[110],"nearest":[112],"highest":[113],"integer.":[114],"This":[115],"technique":[116],"used":[119],"estimation":[123],"anthesis":[130],"sunflower.":[136]},"counts_by_year":[{"year":2023,"cited_by_count":1},{"year":2019,"cited_by_count":1}],"updated_date":"2026-09-22T06:50:58.402377","created_date":"2016-06-24T00:00:00"}