Produção da goiabeira (Psidium guajava L.) em sistema convencional e orgânico

Malta, Altamiro Oliveira de; Araújo, Raunira da Costa; Medeiros, José George Ferreira; Costa, Nídia Raquel; Silva, Samuel Inocêncio Alves da

doi:10.12661/pap.2017.016

Cited by 4 publications

(5 citation statements)

References 11 publications

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“…These authors concluded that the use of soil remineralizers promotes increased productivity, in addition to reducing the environmental impacts caused by the overuse of soluble sources of fertilization. These results are consistent with those observed by Malta et al (2018) in guava culture, in which the use of rock powder promoted an increase in fruit pulp and firmness, when compared to the other forms of fertilization tested. Li et al ( 2021) observed an increase in the diversity of microorganisms present in the soil, an increase in apple fruit yield, and a reduction in disease symptoms and fruit fall.…”

Section: Resultssupporting

confidence: 91%

“…Aguilera et al (2022) concluded that it is advantageous to use basalt rock powder in maize crops. Malta et al (2018) who used rock powder in guava culture, found an increase in fruit pulp and firmness, when compared to cultivation only with chemical fertilizers. Li et al (2021) using rock dust from the mining and quarrying industry verified a significant increase in the amount of nutrients such as Ca, Mg, Fe, Mn, Zn, B and Al, compared to the compound without the rock dust, however, without causing phytotoxicity.…”

Section: Introductionmentioning

confidence: 99%

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BRS platinum banana trees grown with macaxisto rock powder

Silva,

Campos,

Santos

et al. 2023

Uniting Knowledge Integrated Scientific Research for Global Development

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The banana (Musa spp.) is one of the fruits most consumed by the population and has great importance in fruit growing. It is a very nutritionally demanding crop and depends on an adequate ratio of nutrients for its development. The objective of the research was to evaluate the development and productivity of the banana tree "BRS Platina" with the use of micaxiste rock powder (soil remineralizer) in the first cultivation cycle. The experiment was conducted at the Federal Institute of Goiano – Campus Morrinhos (-17◦48'50.4" S, 49◦12'16.5'' W, altitude of 902 meters) in a randomized block design. The treatments consisted of fertilization with and without micaxiste rock powder, with seven plants per plot and 12 replications. The plants of the first cycle (mother) were evaluated at 230, 275 and 320 days after transplanting the seedlings. Plant height, pseudostem circumference and number of leaves were measured. When they entered the productive phase and reached the point of harvest, the mass of the bunch, the number of feathers and bananas were evaluated, performing manual counting. The fertilization with micaxiste rock powder favored the vegetative development of the plants, but did not significantly influence the productivity of banana trees "BRS Platina".

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Section: Resultssupporting

confidence: 91%

Section: Introductionmentioning

confidence: 99%

BRS platinum banana trees grown with macaxisto rock powder

Silva,

Campos,

Santos

et al. 2023

Uniting Knowledge Integrated Scientific Research for Global Development

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show abstract

“…Esses autores concluíram que a utilização de remineralizadores de solo promovem aumento de produtividade, além de reduzir os impactos ambientais causados pelo excesso de utilização de fontes solúveis de adubação. Resultados estes condizentes aos observados por Malta et al (2018) na cultura da goiaba, em queo uso de pó de rocha promoveu incremento de polpa dos frutos e firmeza, quando comparado as demais formas de…”

Section: Resultados E Discussõesunclassified

“…(2022)concluíram ser vantajoso a utilização do pó de rocha de basalto na cultura do milho. Malta et al (2018) que utilizando pó de rocha na cultura da goiaba, constataram aumento da polpa dos frutos e firmeza dos mesmos, quando comparado ao cultivo somente com as adubações químicas. Li et al (2021) utilizando pó de rocha proveniente de indústria de mineração e pedreira verificaram incremento significativo na quantidade de nutrientes como Ca, Mg, Fe, Mn, Zn, B e Al, comparado ao composto sem o pó de rocha, no entanto, sem causar fitotoxicidade.…”

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Cultivo de Bananeiras BRS platina adubadas com pó de micaxisto

Silva¹,

Campos²,

Santos³

et al. 2023

Braz. J. Develop.

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A banana (Musa spp.) é uma das frutas mais consumidaspela população e apresenta grande importânciana fruticultura. É uma cultura bastante exigente nutricionalmente e depende de uma relação adequada de nutrientes para o seu desenvolvimento. O objetivo da pesquisa foi avaliar o desenvolvimento e a produtividade da bananeira "BRS Platina" com o uso de pó de rocha de micaxisto (remineralizador de solo) no primeiro ciclo de cultivo. O experimento foi conduzido no Instituto Federal Goiano – Campus Morrinhos (-17◦48'50,4" S, 49◦12'16,5'' W, altitude de 902 metros) no delineamento experimental em blocos ao acaso. Os tratamentos consistiram da adubação com e sem pó de rocha de micaxisto, com sete plantas por parcela e 12 repetições. As plantas de primeiro ciclo (mãe), foram avaliadas aos 230, 275 e 320 dias após o transplante das mudas.Foram mensurados a altura de planta, circunferência do pseudocaule e número de folhas. Quando entraram na fase produtiva e atingiram o ponto de colheita, avaliou-se a massa do cacho, o número de pencas e bananas,realizando contagem manual. A adubação com pó de rocha de micaxisto favoreceu o desenvolvimento vegetativo das plantas, mas não influenciou significativamente a produtividade de bananeiras "BRS Platina".

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“…The highest water potential values are observed in the morning (7:00 to 8:00 am), while the lowest are verified in the early afternoon (12:00 to 15:00 pm), with sub-sequent rehydration of the plant [2,46,54]. Loss of cellular turgor is one of the first characteristics to appear when the plant is under water deficit, which, among other effects, limits stomatal opening, directly impacting plant gas exchange and causing an increase in leaf temperature [55][56][57].…”

Section: Discussion Fruit Pruning and Thinning Improves Gas Exchange ...mentioning

confidence: 99%

Photosynthetic Assimilation of the Guava (Psidium guajava) cv. Paluma under Different Pruning and Fruit Thinning Intensities

Santos,

Pereira,

Fonseca

et al. 2023

Agronomy

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In guava plants, production pruning can be performed twice a year, and the return of growth is dependent on the physiological responses that are altered by the different cultivation environments and adopted management. From this perspective, this study aimed to characterize the photosynthetic dynamics of guava plants influenced by different pruning and fruit thinning intensities during two growing seasons in the region of Currais, Piauí, Brazil. The plants were distributed in a randomized block design with a factorial arrangement (3 × 3 × 2) consisting of three pruning intensities (short, medium, and long) and three fruit thinning intensities (0, 10, and 20%) during two growing seasons. The data were subjected to a cluster analysis and canonical discriminant analysis to discriminate treatment groups based on the variables. Through a cluster analysis for the evaluated treatments, it was possible to split the two pruning seasons into five different groups clustered for the first pruning season and the second pruning season. The highest assimilation values were observed in the first pruning season and especially in plants that received short pruning with 0% fruit thinning, medium pruning with 10% and 20% fruit thinning, and long pruning with 10% fruit thinning. Through the graphic representation of the canonical discriminant analysis, the first two variables explained 93.40% of the total variance contained in the nine original variables. The highest means of ambient PAR, transpiration, leaf temperature, internal carbon, and ambient temperature were observed in the second pruning season and in plants that received short pruning with 10% and 20% fruit thinning, medium pruning with 0% and 20% fruit thinning, and long pruning with 0%, 10%, and 20% fruit thinning favors a higher photosynthetic accumulation in guava plants. We observed a multiplicity of responses; however, short pruning with 10% thinning should be considered for both seasons.

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Produção da goiabeira (Psidium guajava L.) em sistema convencional e orgânico

Abstract: AgronomiA-FitotecniA Produção da goiabeira (Psidium guajava L.) em sistema convencional e orgânico Guava production (Psidium guajava L.

Cited by 4 publications

References 11 publications

BRS platinum banana trees grown with macaxisto rock powder

BRS platinum banana trees grown with macaxisto rock powder

Cultivo de Bananeiras BRS platina adubadas com pó de micaxisto

Photosynthetic Assimilation of the Guava (Psidium guajava) cv. Paluma under Different Pruning and Fruit Thinning Intensities

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