Row spacing and growth habit in peanut crops: Effects on seed yield determination across environments
Autor(a) principal: | |
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Data de Publicação: | 2022 |
Outros Autores: | , |
Tipo de documento: | Artigo |
Idioma: | eng |
Título da fonte: | Repositório Institucional da UNESP |
Texto Completo: | http://dx.doi.org/10.1016/j.fcr.2021.108363 http://hdl.handle.net/11449/229924 |
Resumo: | Narrowing row spacing was expected to improve peanut crop performance, but the responses varied depending upon the evaluated environment and the growth habit of the plant. To clarify apparent inconsistencies, two cultivars with contrasting growth habits were sown at 52 cm and 70 cm row spacings in field experiments carried out in four environments. Vegetative and reproductive traits were evaluated. The leaf area index was always higher in the 52 cm than in the 70 cm row spacing, independently of the growth habit. Similarly, the light attenuation coefficient (k) was higher under narrow than under wide rows, but the cultivar with procumbent growth habit had a larger k and increased slightly the intercepted radiation respect to the erect type. These responses of the procumbent cultivar were driven by its lateral arrangements towards neighboring rows and its longer cycle duration. Narrow rows contributed to intercept approximately 14% more radiation than wide rows. These responses determined an improved biomass production through increases in the crop growth rate during the pod set period, with subsequent increases of the radiation use efficiency of this phase. Narrow row spacing enhanced seed and pod yields independently of the growth habit, but the relative importance of each seed yield component varied between cultivars. Seed numbers were more relevant for the erect growth habit, concurrently with the marked increase in total flower numbers of this cultivar. Seed weight was more relevant for the procumbent growth habit. On one hand, the erect growth habit caused a larger relative variation in seed and pod yields across environments than the procumbent one, particularly at narrow row spacing. On the other hand, the erect growth habit showed the lowest yield under wide rows. The small differences in biomass production between growth habits but the large difference in harvest index (procumbent > erect) contributed to an enhanced and more stable seed yield of the procumbent type, particularly when grown under narrow rows and linked to the large seed size of the runner cultivar. Results suggest that farmers should consider reducing row spacing as a way to increase peanut yield in the region under analysis. |
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Row spacing and growth habit in peanut crops: Effects on seed yield determination across environmentsArachis hypogaea L.Environmental conditionsGrowth habitPhenologyRow spacingNarrowing row spacing was expected to improve peanut crop performance, but the responses varied depending upon the evaluated environment and the growth habit of the plant. To clarify apparent inconsistencies, two cultivars with contrasting growth habits were sown at 52 cm and 70 cm row spacings in field experiments carried out in four environments. Vegetative and reproductive traits were evaluated. The leaf area index was always higher in the 52 cm than in the 70 cm row spacing, independently of the growth habit. Similarly, the light attenuation coefficient (k) was higher under narrow than under wide rows, but the cultivar with procumbent growth habit had a larger k and increased slightly the intercepted radiation respect to the erect type. These responses of the procumbent cultivar were driven by its lateral arrangements towards neighboring rows and its longer cycle duration. Narrow rows contributed to intercept approximately 14% more radiation than wide rows. These responses determined an improved biomass production through increases in the crop growth rate during the pod set period, with subsequent increases of the radiation use efficiency of this phase. Narrow row spacing enhanced seed and pod yields independently of the growth habit, but the relative importance of each seed yield component varied between cultivars. Seed numbers were more relevant for the erect growth habit, concurrently with the marked increase in total flower numbers of this cultivar. Seed weight was more relevant for the procumbent growth habit. On one hand, the erect growth habit caused a larger relative variation in seed and pod yields across environments than the procumbent one, particularly at narrow row spacing. On the other hand, the erect growth habit showed the lowest yield under wide rows. The small differences in biomass production between growth habits but the large difference in harvest index (procumbent > erect) contributed to an enhanced and more stable seed yield of the procumbent type, particularly when grown under narrow rows and linked to the large seed size of the runner cultivar. Results suggest that farmers should consider reducing row spacing as a way to increase peanut yield in the region under analysis.Instituto Nacional de Tecnología AgropecuariaEstación Experimental Agropecuaria Manfredi del Instituto Nacional de Tecnología Agropecuaria (INTA)Department of Crop Production FCAV/UnespFacultad de Agronomía de la Universidad de Buenos Aires and Consejo Nacional de Investigaciones (CONICET) at INTA PergaminoDepartment of Crop Production FCAV/UnespEstación Experimental Agropecuaria Manfredi del Instituto Nacional de Tecnología Agropecuaria (INTA)Universidade Estadual Paulista (UNESP)and Consejo Nacional de Investigaciones (CONICET) at INTA PergaminoHaro, Ricardo J.Carrega, Willians C. [UNESP]Otegui, María E.2022-04-29T08:36:41Z2022-04-29T08:36:41Z2022-01-01info:eu-repo/semantics/publishedVersioninfo:eu-repo/semantics/articlehttp://dx.doi.org/10.1016/j.fcr.2021.108363Field Crops Research, v. 275.0378-4290http://hdl.handle.net/11449/22992410.1016/j.fcr.2021.1083632-s2.0-85119593336Scopusreponame:Repositório Institucional da UNESPinstname:Universidade Estadual Paulista (UNESP)instacron:UNESPengField Crops Researchinfo:eu-repo/semantics/openAccess2024-06-07T13:56:41Zoai:repositorio.unesp.br:11449/229924Repositório InstitucionalPUBhttp://repositorio.unesp.br/oai/requestopendoar:29462024-08-05T20:32:41.586385Repositório Institucional da UNESP - Universidade Estadual Paulista (UNESP)false |
dc.title.none.fl_str_mv |
Row spacing and growth habit in peanut crops: Effects on seed yield determination across environments |
title |
Row spacing and growth habit in peanut crops: Effects on seed yield determination across environments |
spellingShingle |
Row spacing and growth habit in peanut crops: Effects on seed yield determination across environments Haro, Ricardo J. Arachis hypogaea L. Environmental conditions Growth habit Phenology Row spacing |
title_short |
Row spacing and growth habit in peanut crops: Effects on seed yield determination across environments |
title_full |
Row spacing and growth habit in peanut crops: Effects on seed yield determination across environments |
title_fullStr |
Row spacing and growth habit in peanut crops: Effects on seed yield determination across environments |
title_full_unstemmed |
Row spacing and growth habit in peanut crops: Effects on seed yield determination across environments |
title_sort |
Row spacing and growth habit in peanut crops: Effects on seed yield determination across environments |
author |
Haro, Ricardo J. |
author_facet |
Haro, Ricardo J. Carrega, Willians C. [UNESP] Otegui, María E. |
author_role |
author |
author2 |
Carrega, Willians C. [UNESP] Otegui, María E. |
author2_role |
author author |
dc.contributor.none.fl_str_mv |
Estación Experimental Agropecuaria Manfredi del Instituto Nacional de Tecnología Agropecuaria (INTA) Universidade Estadual Paulista (UNESP) and Consejo Nacional de Investigaciones (CONICET) at INTA Pergamino |
dc.contributor.author.fl_str_mv |
Haro, Ricardo J. Carrega, Willians C. [UNESP] Otegui, María E. |
dc.subject.por.fl_str_mv |
Arachis hypogaea L. Environmental conditions Growth habit Phenology Row spacing |
topic |
Arachis hypogaea L. Environmental conditions Growth habit Phenology Row spacing |
description |
Narrowing row spacing was expected to improve peanut crop performance, but the responses varied depending upon the evaluated environment and the growth habit of the plant. To clarify apparent inconsistencies, two cultivars with contrasting growth habits were sown at 52 cm and 70 cm row spacings in field experiments carried out in four environments. Vegetative and reproductive traits were evaluated. The leaf area index was always higher in the 52 cm than in the 70 cm row spacing, independently of the growth habit. Similarly, the light attenuation coefficient (k) was higher under narrow than under wide rows, but the cultivar with procumbent growth habit had a larger k and increased slightly the intercepted radiation respect to the erect type. These responses of the procumbent cultivar were driven by its lateral arrangements towards neighboring rows and its longer cycle duration. Narrow rows contributed to intercept approximately 14% more radiation than wide rows. These responses determined an improved biomass production through increases in the crop growth rate during the pod set period, with subsequent increases of the radiation use efficiency of this phase. Narrow row spacing enhanced seed and pod yields independently of the growth habit, but the relative importance of each seed yield component varied between cultivars. Seed numbers were more relevant for the erect growth habit, concurrently with the marked increase in total flower numbers of this cultivar. Seed weight was more relevant for the procumbent growth habit. On one hand, the erect growth habit caused a larger relative variation in seed and pod yields across environments than the procumbent one, particularly at narrow row spacing. On the other hand, the erect growth habit showed the lowest yield under wide rows. The small differences in biomass production between growth habits but the large difference in harvest index (procumbent > erect) contributed to an enhanced and more stable seed yield of the procumbent type, particularly when grown under narrow rows and linked to the large seed size of the runner cultivar. Results suggest that farmers should consider reducing row spacing as a way to increase peanut yield in the region under analysis. |
publishDate |
2022 |
dc.date.none.fl_str_mv |
2022-04-29T08:36:41Z 2022-04-29T08:36:41Z 2022-01-01 |
dc.type.status.fl_str_mv |
info:eu-repo/semantics/publishedVersion |
dc.type.driver.fl_str_mv |
info:eu-repo/semantics/article |
format |
article |
status_str |
publishedVersion |
dc.identifier.uri.fl_str_mv |
http://dx.doi.org/10.1016/j.fcr.2021.108363 Field Crops Research, v. 275. 0378-4290 http://hdl.handle.net/11449/229924 10.1016/j.fcr.2021.108363 2-s2.0-85119593336 |
url |
http://dx.doi.org/10.1016/j.fcr.2021.108363 http://hdl.handle.net/11449/229924 |
identifier_str_mv |
Field Crops Research, v. 275. 0378-4290 10.1016/j.fcr.2021.108363 2-s2.0-85119593336 |
dc.language.iso.fl_str_mv |
eng |
language |
eng |
dc.relation.none.fl_str_mv |
Field Crops Research |
dc.rights.driver.fl_str_mv |
info:eu-repo/semantics/openAccess |
eu_rights_str_mv |
openAccess |
dc.source.none.fl_str_mv |
Scopus reponame:Repositório Institucional da UNESP instname:Universidade Estadual Paulista (UNESP) instacron:UNESP |
instname_str |
Universidade Estadual Paulista (UNESP) |
instacron_str |
UNESP |
institution |
UNESP |
reponame_str |
Repositório Institucional da UNESP |
collection |
Repositório Institucional da UNESP |
repository.name.fl_str_mv |
Repositório Institucional da UNESP - Universidade Estadual Paulista (UNESP) |
repository.mail.fl_str_mv |
|
_version_ |
1808129216887128064 |