Post-Harvest Behaviour of Pineapple Affected by Sources and Rates of Potassium

Quaggio, J. A.; Teixeira, Luiz Antônio Junqueira; Cantarella, Heitor; Mellis, Estêvão Vicari; Sigrist, José Maria Monteiro

doi:10.17660/actahortic.2009.822.34

Cited by 5 publications

(5 citation statements)

References 0 publications

Supporting

Mentioning

Contrasting

Unclassified

Order By: Relevance

“…The reduction in the index coupled to potassium dose increments was attributed to a higher increase in acidity related to soluble solids content (Figure 12). This observation corroborates [79], who verified that in Smooth Cayenne pineapple tree, the potassium fertilization acted in two ways in the formation of the ratio, as a function of the type of potassium source used. Thus, the increment in titratable acidity was bigger only when KCl was employed as a source of K than the one observed with K 2 SO 4 application.…”

Section: Potassium Fertilization and Fruit Qualitysupporting

confidence: 89%

“…According to observations performed by [78], the soluble solids contents, found in fruits of Smooth Cayenne fruit tree, which varied from 13.74 to 15.50 ºBrix, were also not directly influenced by K 2 O treatments. In a trial performed by [79], the positive effect of potassium fertilization on total soluble solids contents (TSS) was observed, which the application of 490 kg ha -1 K 2 O increased the TSS in about 6%.…”

Section: Potassium Fertilization and Fruit Qualitymentioning

confidence: 99%

See 1 more Smart Citation

Potassium Fertilization on Fruits Orchards: A Study Case from Brazil

Leonel¹,

Reis²

2012

Soil Fertility

View full text Add to dashboard Cite

Section: Potassium Fertilization and Fruit Qualitysupporting

confidence: 89%

Section: Potassium Fertilization and Fruit Qualitymentioning

confidence: 99%

Potassium Fertilization on Fruits Orchards: A Study Case from Brazil

Leonel¹,

Reis²

2012

Soil Fertility

View full text Add to dashboard Cite

“…Foram usadas as seguintes doses: 100; 200; 300; 500 e 600 kg ha -1 de N (ureia), aos 60; 180 e 270 dias após o plantio. Com base nos resultados, observou-se que os valores de peso do fruto e de produtividade aumentaram com a elevação das doses de N. Porém, as diferentes doses de N não alteraram a qualidade dos frutos, a qual se mostrou compatível com as características descritas para a cultivar estudada O K é o nutriente mais importante para a cultura do abacaxi, e a falta deste nutriente reduz o crescimento da planta e a produção, afetando também a qualidade dos frutos (QUAGGIO et al, 2009 Alguns experimentos foram conduzidos para estudar os efeitos da adubação N-P-K sobre a qualidade do fruto do abacaxizeiro. Teixeira et al (2002) analisaram o efeito do parcelamento da adubação N-P-K no abacaxizeiro 'Smooth Cayenne' produzido em Agudos-SP, Brasil.…”

Section: Resultados De Pesquisa Com a Cultura Do Abacaxiunclassified

Nutrição mineral e qualidade do fruto do abacaxizeiro e do maracujazeiro

2014

View full text Add to dashboard Cite

resumo-Vários fatores influenciam a produtividade e a qualidade dos frutos do abacaxizeiro e do maracujazeiro, dentre os quais se destacam: o clima, o solo e as práticas de adubação e de irrigação. A nutrição mineral é essencial para elevar a produtividade e melhorar a qualidade dos frutos; no entanto, há poucas informações sobre o efeito da adubação nestas duas frutíferas, especialmente sob condições tropicais. O objetivo desta revisão foi compilar e apresentar os principais resultados de pesquisas, nas quais foi avaliada a influência da nutrição mineral sobre a qualidade destas duas frutíferas. Consideraram-se as informações publicadas recentemente em revistas científicas, sendo as mesmas apresentadas para os macronutrientes de forma individual, em seguida para N-P-K e, por último, para os micronutrientes. A revisão da literatura mostrou que é difícil afirmar que algum elemento favorece ou não determinada característica dos frutos do abacaxizeiro e do maracujazeiro, já que os resultados são variáveis ou existe pouca informação. Em função disso, mais do que deixar estabelecidos os efeitos dos elementos minerais sobre a qualidade dos frutos, o que chama a atenção é a necessidade de pesquisar sobre este tema. termos para indexação: Ananas comosus L. Merril, Passiflora edulis f. Flavicarpa Deg., macronutrientes, micronutrientes.

show abstract

“…Ma et al ( 2013 ) found that P has a little effect on the pineapple fruit quality. Potassium is reported as the most important macronutrient, which determines mainly the fresh pineapple quality (Razzaque and Hanafi, 2001 ) and fruit firmness, a proxy of the fruit shelf life (Quaggio et al, 2009 ). Spironello et al ( 2004 ) found that K has a positive effect on the pineapple yield and fruit size.…”

Section: Introductionmentioning

confidence: 99%

“…In high rates of K applications, the fertilization with K sourced from K 2 SO 4 showed better results than the fertilization with K from KCl. Quaggio et al ( 2009 ) found that the K application regardless of the source improved the pineapple fruit shelf life. Malézieux and Bartholomew ( 2003 ) found that, in the pineapple cultivation, the potassium requirement ranges from 200 to 1,000 kg.ha −1 (~8–20 g K per plant).…”

Section: Introductionmentioning

confidence: 99%

Effect of Planting Density and K2O:N Ratio on the Yield, External Quality, and Traders' Perceived Shelf Life of Pineapple Fruits in Benin

et al. 2021

View full text Add to dashboard Cite

Quality, shelf life, and yield of a pineapple fruit are the important attributes for the producers and customers in the pineapple value chain of Benin, whereas poor quality, short shelf life, and low yield are the main constraints. We quantified the effects of planting density and K2O:N fertilizer ratio on the pineapple yield, external quality, and perceived shelf life in four on-farm experiments with cv. Sugarloaf in Benin; two experiments were installed in the long rainy season and two in the short rainy season. A split-plot design was used with the planting density as the main factor at three levels: 54,000, 66,600, and 74,000 plants.ha−1. The K2O:N ratio was a subfactor with three levels: K2O:N = 0.35 (farmers' practice), K2O:N = 1, and K2O:N = 2. The results showed that both factors had no effect on the crop development variables (such as the number of functional leaves and D-leaf length) at the moment of flowering induction. The planting density had no effect on the total weight per fruit, infructescence weight, total fruit length, infructescence length, crown length, or the fruit shelf life as perceived by traders. The yield increased from 54.9–69.1 up to 90.1 t.ha−1 with an increase in the planting density. The yield increase was not at the expense of the fruit weight. Increased K2O:N ratio led to a higher fruit weight whereas the fruit length was not affected. The shelf life of fruits produced at a K2O:N ratio of 1 and as perceived by traders was 6 days longer than that of fruits produced at a ratio of 0.35 (farmers' practice). Based on these results, we suggest the fresh pineapple farmers in Benin to use a combination of 66,600 plants.ha−1 with a K-fertilization scheme based on a K2O:N ratio of 1 to meet the expectation of both producers and customers in terms of fruit yield and fruit quality.

show abstract

Post-Harvest Behaviour of Pineapple Affected by Sources and Rates of Potassium

Cited by 5 publications

References 0 publications

Potassium Fertilization on Fruits Orchards: A Study Case from Brazil

Potassium Fertilization on Fruits Orchards: A Study Case from Brazil

Nutrição mineral e qualidade do fruto do abacaxizeiro e do maracujazeiro

Effect of Planting Density and K2O:N Ratio on the Yield, External Quality, and Traders' Perceived Shelf Life of Pineapple Fruits in Benin

Contact Info

Product

Resources

About