Correlation, regression and cluster analyses on yield attributes and popping characteristics of popcorn (Zea mays L. everta) in derived savanna and rainforest agro-ecologies of Nigeria

<p class="042abstractstekst"><span lang="EN-US">Information on the genetic and agronomic relationship among the crop characters is important for the breeding programs. This study aimed at determining the relationship among grain yield, popping expansion and other agro...

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Autores principales:	Oloruntoba Olatayo OLAKOJO, Folusho BANKOLE, Dotun OGUNNIYAN
Formato:	article
Lenguaje:	EN SL
Publicado:	University of Ljubljana, Biotechnical Faculty 2021
Materias:	qualitative traits dendrogram popcorn yield popping volume principal component popcorn morphology Agriculture S
Acceso en línea:	https://doaj.org/article/b4ee9674aa1a4e889c93a61c1d6c5f78
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spelling	oai:doaj.org-article:b4ee9674aa1a4e889c93a61c1d6c5f782021-11-10T08:32:57ZCorrelation, regression and cluster analyses on yield attributes and popping characteristics of popcorn (Zea mays L. everta) in derived savanna and rainforest agro-ecologies of Nigeria1581-91751854-194110.14720/aas.2021.117.3.1625https://doaj.org/article/b4ee9674aa1a4e889c93a61c1d6c5f782021-11-01T00:00:00Zhttp://ojs.aas.bf.uni-lj.si/index.php/AAS/article/view/1625https://doaj.org/toc/1581-9175https://doaj.org/toc/1854-1941<p class="042abstractstekst"><span lang="EN-US">Information on the genetic and agronomic relationship among the crop characters is important for the breeding programs. This study aimed at determining the relationship among grain yield, popping expansion and other agronomic characters in 19 popcorn lines evaluated in replicated trials at two locations. Correlation analysis was carried out to determine the relationship between agronomic traits while multiple stepwise regression analyses was used to determine the contribution of other agronomic traits to grain yield. Results showed that plant and ear heights as well as cob length exhibited positive and significant association with grain yield. Popping volume showed negative and significant association (-0.45) with grain yield while 100-grain mass had a negative and significant correlation (-0.37) with popping volume. Stepwise multiple regression analysis showed that ear height, cob length, plant aspect and 100-grain mass contributed a total of 53.66 % to variation in grain yield, with ear height contributing the highest portion (22.51 %). Cluster analysis grouped popcorn lines into four different clusters, where ‘Small Pearl Shaped’ and ‘Popcorn 33-1-Y’ belonged to cluster II and IV, respectively, showing how divergent they are and possible utilization for hybrid formation. Improvement for popcorn should focus on identifying lines with acceptable level of popping volume and improved on their grain yield and yield attributes.</span></p>Oloruntoba Olatayo OLAKOJOFolusho BANKOLEDotun OGUNNIYANUniversity of Ljubljana, Biotechnical Facultyarticlequalitative traitsdendrogrampopcorn yieldpopping volumeprincipal componentpopcornmorphologyAgricultureSENSLActa Agriculturae Slovenica, Vol 117, Iss 3, Pp 1-11 (2021)
institution	DOAJ
collection	DOAJ
language	EN SL
topic	qualitative traits dendrogram popcorn yield popping volume principal component popcorn morphology Agriculture S
spellingShingle	qualitative traits dendrogram popcorn yield popping volume principal component popcorn morphology Agriculture S Oloruntoba Olatayo OLAKOJO Folusho BANKOLE Dotun OGUNNIYAN Correlation, regression and cluster analyses on yield attributes and popping characteristics of popcorn (Zea mays L. everta) in derived savanna and rainforest agro-ecologies of Nigeria
description	<p class="042abstractstekst"><span lang="EN-US">Information on the genetic and agronomic relationship among the crop characters is important for the breeding programs. This study aimed at determining the relationship among grain yield, popping expansion and other agronomic characters in 19 popcorn lines evaluated in replicated trials at two locations. Correlation analysis was carried out to determine the relationship between agronomic traits while multiple stepwise regression analyses was used to determine the contribution of other agronomic traits to grain yield. Results showed that plant and ear heights as well as cob length exhibited positive and significant association with grain yield. Popping volume showed negative and significant association (-0.45) with grain yield while 100-grain mass had a negative and significant correlation (-0.37) with popping volume. Stepwise multiple regression analysis showed that ear height, cob length, plant aspect and 100-grain mass contributed a total of 53.66 % to variation in grain yield, with ear height contributing the highest portion (22.51 %). Cluster analysis grouped popcorn lines into four different clusters, where ‘Small Pearl Shaped’ and ‘Popcorn 33-1-Y’ belonged to cluster II and IV, respectively, showing how divergent they are and possible utilization for hybrid formation. Improvement for popcorn should focus on identifying lines with acceptable level of popping volume and improved on their grain yield and yield attributes.</span></p>
format	article
author	Oloruntoba Olatayo OLAKOJO Folusho BANKOLE Dotun OGUNNIYAN
author_facet	Oloruntoba Olatayo OLAKOJO Folusho BANKOLE Dotun OGUNNIYAN
author_sort	Oloruntoba Olatayo OLAKOJO
title	Correlation, regression and cluster analyses on yield attributes and popping characteristics of popcorn (Zea mays L. everta) in derived savanna and rainforest agro-ecologies of Nigeria
title_short	Correlation, regression and cluster analyses on yield attributes and popping characteristics of popcorn (Zea mays L. everta) in derived savanna and rainforest agro-ecologies of Nigeria
title_full	Correlation, regression and cluster analyses on yield attributes and popping characteristics of popcorn (Zea mays L. everta) in derived savanna and rainforest agro-ecologies of Nigeria
title_fullStr	Correlation, regression and cluster analyses on yield attributes and popping characteristics of popcorn (Zea mays L. everta) in derived savanna and rainforest agro-ecologies of Nigeria
title_full_unstemmed	Correlation, regression and cluster analyses on yield attributes and popping characteristics of popcorn (Zea mays L. everta) in derived savanna and rainforest agro-ecologies of Nigeria
title_sort	correlation, regression and cluster analyses on yield attributes and popping characteristics of popcorn (zea mays l. everta) in derived savanna and rainforest agro-ecologies of nigeria
publisher	University of Ljubljana, Biotechnical Faculty
publishDate	2021
url	https://doaj.org/article/b4ee9674aa1a4e889c93a61c1d6c5f78
work_keys_str_mv	AT oloruntobaolatayoolakojo correlationregressionandclusteranalysesonyieldattributesandpoppingcharacteristicsofpopcornzeamayslevertainderivedsavannaandrainforestagroecologiesofnigeria AT folushobankole correlationregressionandclusteranalysesonyieldattributesandpoppingcharacteristicsofpopcornzeamayslevertainderivedsavannaandrainforestagroecologiesofnigeria AT dotunogunniyan correlationregressionandclusteranalysesonyieldattributesandpoppingcharacteristicsofpopcornzeamayslevertainderivedsavannaandrainforestagroecologiesofnigeria
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Correlation, regression and cluster analyses on yield attributes and popping characteristics of popcorn (Zea mays L. everta) in derived savanna and rainforest agro-ecologies of Nigeria

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