Análise energética do novo sistema de produção de maracujá amarelo na região de Marília-SP

Furlaneto, Fernanda de Paiva Badiz; Esperancini, Maura Seiko Tsutsui; Martins, Adriana Novais; Okamoto, Fumiko; Vidal, Alexandre Campane; Bueno, Osmar de Carvalho

doi:10.1590/s0103-84782014000200007

Cited by 14 publications

(10 citation statements)

References 8 publications

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“…A polinização é um fator indispensável para a produção do maracujá, podendo melhorar consideravelmente a qualidade dos frutos quando realizada a polinização manual ou artificial (MARTINS et al, 2014;PARÉS et al, 2014 Cavichioli et al (2014), em plantios adensados, observa-se menor número de frutos por planta. Isto pode estar relacionado à menor fecundação de flores, diminuição da eficiência da polinização devido ao alto sombreamento dos ramos e, também, podendo causar a diminuição da taxa fotossintética líquida.…”

Section: Resultsunclassified

“…O maracujazeiro pode ser considerado uma alternativa agrícola às pequenas propriedades (três a cinco hectares), considerando que o pequeno produtor atenderá satisfatoriamente às necessidades dos tratos culturais, insumos e exigência de mão de obra, principalmente nas fases da instalação do pomar, polinização manual e colheita do maracujá (MELETTI, 2011;FURLANETO et al, 2014).…”

Section: Introductionunclassified

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Densidade De Plantio E Produção Do Maracujazeiro-Azedo No Sul Do Brasil

Weber

2016

Rev. Bras. Frutic.

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Section: Resultsunclassified

Section: Introductionunclassified

Densidade De Plantio E Produção Do Maracujazeiro-Azedo No Sul Do Brasil

Weber

2016

Rev. Bras. Frutic.

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“…In both soil types, the cost increase is represented by a quadratic function as the volume of organic compost was increased, varying from R$12,736.00 ha -1 with 6.3 liters of compost per hole to R$ 26,249.63 ha -1 with 156.9 liters of compost per hole ( Figure 1B). represents the highest costs (Hafle et al, 2010;Furlaneto et al, 2014). Therefore, there is a need to increment the yield in order to reduce the mean costs and increase economic profitability.…”

Section: Resultsmentioning

confidence: 99%

Organic compost as a conditioner of soils cultivated with yellow passion fruit

et al. 2020

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This research aimed to evaluate the effect of doses of organic compost on the yield and economic profitability of organic yellow passion fruit grown in sandy-loam and clay-loam soils. Two experiments were installed in the field, in different soil types and municipalities in the state of Acre. The experimental design was in randomized blocks with five treatments, four replications, and four plants per experimental unit. The treatments consisted of adding the compost as a replacement for 1/3 of the volume of cylindrical planting holes with 40 cm, 80 cm, 120 cm, 160 cm, and 200 cm, corresponding to the addition of 6.3; 25.1; 56.5; 100.4, and 156.9 liters per planting hole, respectively. The mean fruit mass and the yield of the yellow passion fruit were higher in sandy-loam soil. The total revenue was R$ 4,311.6 ha-1 in the clayey soil and R$ 5,841.9 ha-1 in the sandy soil. The total cost was higher in the clayey soil than in sandy soil. Both soils responded in quadratic function with an increase in the cost as the volume of organic compost was increased, ranging from R$ 12,736.00 ha-1 with 6.3 liters of compost per hole up to R$ 26,249.63 ha-1 with 156.9 liters of compost per hole. Net income was negative for all compost volumes in both types of soil, responding linearly, with a reduction in revenue of R$ 80.82 ha-1 with the addition of each liter of compost in the pit due to the low yield caused by period long drought.

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“…Brazil stands out as the leading passion fruit producer and consumer in the world (Passiflora spp. ), with a production of 593,429 tons obtained in 41,584 hectares (Ibge, 2019), mainly cultivated by smallholder farmers in small and medium-sized properties (Furlaneto et al, 2014;Santos et al, 2016). Passion fruit yield, however, is still low (14.10 t ha -1 ) due to the use of seeds of unknown genetic origin, coming from fruits produced in commercial orchards, in addition to the use of inappropriate crop management technologies associated with the occurrence of phytosanitary problems that have accentuated with crop expansion, especially the occurrence of soil fungi (Faleiro & Junqueira, 2016;Ibge, 2019;Flora Do Brasil, 2020).…”

Section: Introductionmentioning

confidence: 99%

Initial growth of clonal seedlings of Passiflora mucronata genotypes in response to paclobutrazol concentrations

Oliveira

Teixeira

Canal

et al. 2020

RSD

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Paclobutrazol (PBZ) is a plant growth regulator of the triazole group that can block the biosynthesis of gibberellic acid, resulting in reduced plant height and increased stem diameter. This study aimed to evaluate the effect of different paclobutrazol concentrations on seedling quality of Passiflora mucronata Lam. Two Passiflora mucronata genotypes were used, one resistant (G5) and one tolerant (G7) to fusariosis, prepared as cuttings treated with PBZ. The experimental design was completely randomized, in a 2 x 4 factorial arrangement corresponding to two genotypes (G5 and G7) and four PBZ concentrations (0, 5, 10, and 15 mg plant-1), with three replications of four plants. Data were subjected to analysis of variance, regression analysis, and the F-test, followed by Pearson’s correlation test between variables. PBZ promoted an increase in the plagiotropic shoot diameter and the leaf area index of genotypes G5 and G7, in addition to increased shoot length in genotype G5 and increased number of leaves in genotype G7. PBZ also resulted in increased photosynthesis and stomatal conductance. There was a positive correlation for genotype G5, between the plagiotropic shoot diameter and the leaf transpiration rate, and for genotype G7, between the plagiotropic shoot diameter and the number of leaves. Genotypes G5 and G7 showed different phenotypic responses when subjected to PBZ doses, highlighting the intraspecific divergence of the species.

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Análise energética do novo sistema de produção de maracujá amarelo na região de Marília-SP

Abstract: RESUMO Objetivou-se avaliar indicadores energéticos de um novo sistema de produção do maracujá amarelo na região de Marília-SP. Foram analisadas as "entradas" de energia de

Cited by 14 publications

References 8 publications

Densidade De Plantio E Produção Do Maracujazeiro-Azedo No Sul Do Brasil

Densidade De Plantio E Produção Do Maracujazeiro-Azedo No Sul Do Brasil

Organic compost as a conditioner of soils cultivated with yellow passion fruit

Initial growth of clonal seedlings of Passiflora mucronata genotypes in response to paclobutrazol concentrations

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