Influência do fósforo na qualidade e produtividade de tubérculos de cultivares de batata de duplo propósito
Autor(a) principal: | |
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Data de Publicação: | 2016 |
Outros Autores: | , , |
Tipo de documento: | Artigo |
Idioma: | por |
Título da fonte: | Repositório Institucional da UNESP |
Texto Completo: | http://dx.doi.org/10.1590/S0102-05362016003007 http://hdl.handle.net/11449/173216 |
Resumo: | Even in areas with high levels of phosphorus (P) available in the soil, application of this nutrient is common, aiming to increase potato tuber yield and size. However, the effect of high P rates on tuber yield and quality is not known in these cases. The objective of this study was to evaluate the influence of P fertilization on yield and characteristics of tuber quality of dual purpose potato cultivars, grown in soils with low (14 mg/dm3), medium (36 mg/dm3) and high (70 mg/dm3) P availability. In the three soils, we used the randomized blocks design in a 2x5 factorial scheme, with four replications. The treatments consisted of two potato cultivars (Asterix and Markies) and five P2O5 rates (0, 125, 250, 500, and 1,000 kg/ha). The cultivar Markies was less productive than Asterix but had tubers with higher quality characteristics, such as firmness, soluble solids, titratable acidity, pulp pH and protein concentration. In soils with low, medium and high P availability, the marketable tuber yield of both cultivars was increased by 376%, 41%, and 26%, respectively, up to maximum agronomic rates of 500, 255, and 239 kg/ha P2O5. Under low P availability, fertilization increased the average weight, firmness, pulp pH and starch concentration, and decreased the reducing sugar concentration in tubers. In soils with higher P availability, besides having exercised less influence on the yield and quality of tubers, the phosphate fertilizer increased levels of reducing sugars in tubers up to the rate of 453 kg/ha P2O5, which is not interesting for the industrial processing of potatoes. |
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Influência do fósforo na qualidade e produtividade de tubérculos de cultivares de batata de duplo propósitoPhosphorus influence on quality and yield of tubers of dual purpose potato cultivarsMarketable yieldNutrient availabilityReducing sugarsSolanum tuberosumStarchEven in areas with high levels of phosphorus (P) available in the soil, application of this nutrient is common, aiming to increase potato tuber yield and size. However, the effect of high P rates on tuber yield and quality is not known in these cases. The objective of this study was to evaluate the influence of P fertilization on yield and characteristics of tuber quality of dual purpose potato cultivars, grown in soils with low (14 mg/dm3), medium (36 mg/dm3) and high (70 mg/dm3) P availability. In the three soils, we used the randomized blocks design in a 2x5 factorial scheme, with four replications. The treatments consisted of two potato cultivars (Asterix and Markies) and five P2O5 rates (0, 125, 250, 500, and 1,000 kg/ha). The cultivar Markies was less productive than Asterix but had tubers with higher quality characteristics, such as firmness, soluble solids, titratable acidity, pulp pH and protein concentration. In soils with low, medium and high P availability, the marketable tuber yield of both cultivars was increased by 376%, 41%, and 26%, respectively, up to maximum agronomic rates of 500, 255, and 239 kg/ha P2O5. Under low P availability, fertilization increased the average weight, firmness, pulp pH and starch concentration, and decreased the reducing sugar concentration in tubers. In soils with higher P availability, besides having exercised less influence on the yield and quality of tubers, the phosphate fertilizer increased levels of reducing sugars in tubers up to the rate of 453 kg/ha P2O5, which is not interesting for the industrial processing of potatoes.Universidade Estadual Paulista (UNESP-CERAT)Universidade Estadual Paulista(UNESP-FCA)Universidade Estadual Paulista (UNESP-CERAT)Universidade Estadual Paulista(UNESP-FCA)Universidade Estadual Paulista (Unesp)Fernandes, Adalton M. [UNESP]Soratto, Rogério P. [UNESP]Evangelista, Regina M. [UNESP]Job, André L. G. [UNESP]2018-12-11T17:04:10Z2018-12-11T17:04:10Z2016-07-01info:eu-repo/semantics/publishedVersioninfo:eu-repo/semantics/article346-355application/pdfhttp://dx.doi.org/10.1590/S0102-05362016003007Horticultura Brasileira, v. 34, n. 3, p. 346-355, 2016.0102-0536http://hdl.handle.net/11449/17321610.1590/S0102-05362016003007S0102-053620160003003462-s2.0-84978374786S0102-05362016000300346.pdf66421736688314070000-0002-6745-0175Scopusreponame:Repositório Institucional da UNESPinstname:Universidade Estadual Paulista (UNESP)instacron:UNESPporHorticultura Brasileira0,605info:eu-repo/semantics/openAccess2024-04-12T13:49:51Zoai:repositorio.unesp.br:11449/173216Repositório InstitucionalPUBhttp://repositorio.unesp.br/oai/requestopendoar:29462024-08-05T21:46:55.726362Repositório Institucional da UNESP - Universidade Estadual Paulista (UNESP)false |
dc.title.none.fl_str_mv |
Influência do fósforo na qualidade e produtividade de tubérculos de cultivares de batata de duplo propósito Phosphorus influence on quality and yield of tubers of dual purpose potato cultivars |
title |
Influência do fósforo na qualidade e produtividade de tubérculos de cultivares de batata de duplo propósito |
spellingShingle |
Influência do fósforo na qualidade e produtividade de tubérculos de cultivares de batata de duplo propósito Fernandes, Adalton M. [UNESP] Marketable yield Nutrient availability Reducing sugars Solanum tuberosum Starch |
title_short |
Influência do fósforo na qualidade e produtividade de tubérculos de cultivares de batata de duplo propósito |
title_full |
Influência do fósforo na qualidade e produtividade de tubérculos de cultivares de batata de duplo propósito |
title_fullStr |
Influência do fósforo na qualidade e produtividade de tubérculos de cultivares de batata de duplo propósito |
title_full_unstemmed |
Influência do fósforo na qualidade e produtividade de tubérculos de cultivares de batata de duplo propósito |
title_sort |
Influência do fósforo na qualidade e produtividade de tubérculos de cultivares de batata de duplo propósito |
author |
Fernandes, Adalton M. [UNESP] |
author_facet |
Fernandes, Adalton M. [UNESP] Soratto, Rogério P. [UNESP] Evangelista, Regina M. [UNESP] Job, André L. G. [UNESP] |
author_role |
author |
author2 |
Soratto, Rogério P. [UNESP] Evangelista, Regina M. [UNESP] Job, André L. G. [UNESP] |
author2_role |
author author author |
dc.contributor.none.fl_str_mv |
Universidade Estadual Paulista (Unesp) |
dc.contributor.author.fl_str_mv |
Fernandes, Adalton M. [UNESP] Soratto, Rogério P. [UNESP] Evangelista, Regina M. [UNESP] Job, André L. G. [UNESP] |
dc.subject.por.fl_str_mv |
Marketable yield Nutrient availability Reducing sugars Solanum tuberosum Starch |
topic |
Marketable yield Nutrient availability Reducing sugars Solanum tuberosum Starch |
description |
Even in areas with high levels of phosphorus (P) available in the soil, application of this nutrient is common, aiming to increase potato tuber yield and size. However, the effect of high P rates on tuber yield and quality is not known in these cases. The objective of this study was to evaluate the influence of P fertilization on yield and characteristics of tuber quality of dual purpose potato cultivars, grown in soils with low (14 mg/dm3), medium (36 mg/dm3) and high (70 mg/dm3) P availability. In the three soils, we used the randomized blocks design in a 2x5 factorial scheme, with four replications. The treatments consisted of two potato cultivars (Asterix and Markies) and five P2O5 rates (0, 125, 250, 500, and 1,000 kg/ha). The cultivar Markies was less productive than Asterix but had tubers with higher quality characteristics, such as firmness, soluble solids, titratable acidity, pulp pH and protein concentration. In soils with low, medium and high P availability, the marketable tuber yield of both cultivars was increased by 376%, 41%, and 26%, respectively, up to maximum agronomic rates of 500, 255, and 239 kg/ha P2O5. Under low P availability, fertilization increased the average weight, firmness, pulp pH and starch concentration, and decreased the reducing sugar concentration in tubers. In soils with higher P availability, besides having exercised less influence on the yield and quality of tubers, the phosphate fertilizer increased levels of reducing sugars in tubers up to the rate of 453 kg/ha P2O5, which is not interesting for the industrial processing of potatoes. |
publishDate |
2016 |
dc.date.none.fl_str_mv |
2016-07-01 2018-12-11T17:04:10Z 2018-12-11T17:04:10Z |
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/10.1590/S0102-05362016003007 Horticultura Brasileira, v. 34, n. 3, p. 346-355, 2016. 0102-0536 http://hdl.handle.net/11449/173216 10.1590/S0102-05362016003007 S0102-05362016000300346 2-s2.0-84978374786 S0102-05362016000300346.pdf 6642173668831407 0000-0002-6745-0175 |
url |
http://dx.doi.org/10.1590/S0102-05362016003007 http://hdl.handle.net/11449/173216 |
identifier_str_mv |
Horticultura Brasileira, v. 34, n. 3, p. 346-355, 2016. 0102-0536 10.1590/S0102-05362016003007 S0102-05362016000300346 2-s2.0-84978374786 S0102-05362016000300346.pdf 6642173668831407 0000-0002-6745-0175 |
dc.language.iso.fl_str_mv |
por |
language |
por |
dc.relation.none.fl_str_mv |
Horticultura Brasileira 0,605 |
dc.rights.driver.fl_str_mv |
info:eu-repo/semantics/openAccess |
eu_rights_str_mv |
openAccess |
dc.format.none.fl_str_mv |
346-355 application/pdf |
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 |
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1808129357610221568 |