Corn production for silage intercropped with forage in the farming-cattle breeding integration

Mendonça, Veridiana Zocoler de; Mello, Luiz Malcolm Mano de; Pereira, Francisco Cézar Belchor Lages; Silva, José Oscar da Rocha; Yano, Élcio Hiroyoshi

doi:10.1590/s0100-69162014000400013

Cited by 12 publications

(16 citation statements)

References 16 publications

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“…cv. Mombaça é uma gramínea forrageira utilizada para a formação de pastagens em regiões tropicais do Brasil e outros países da América e África devido à alta capacidade de produção de matéria seca, qualidade de forragem, facilidade de estabelecimento, aceitabilidade pelos animais, capacidade de emissão de perfilhos vigorosos e tolerância à seca (MENDONÇA et al, 2014;MÜLLER et al, 2002;REYNOSO et al, 2009). Esta última característica tem motivado uma demanda expressiva por sementes desta cultivar (CANTO et al, 2012).…”

Section: Introductionunclassified

Processing on the physical and physiological quality of seeds of Guinea grass

Melo

Martins

Silva

et al. 2016

Revista Ciência Agronômica

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RESUMO -A semente recebida pelas empresas de gramíneas forrageiras, após a colheita, contém impurezas cuja remoção é realizada por máquinas de beneficiamento. Este procedimento é necessário para a obtenção de sementes dentro dos padrões de qualidade para a comercialização e a semeadura. O objetivo deste trabalho foi avaliar o efeito das etapas de beneficiamento na qualidade física e fisiológica de sementes de Panicum maximum cv. Mombaça, visando à comercialização. As sementes foram amostradas antes do processamento e após a saída da máquina de ventilador e peneiras (descarga das peneiras superior, intermediária e fundo), primeira mesa gravitacional (deriva, descarga superior e intermediária), máquina tratadora e segunda mesa gravitacional (descarga superior, intermediária e inferior). As sementes foram avaliadas quanto ao teor de água, qualidade física (pureza e peso de mil sementes) e fisiológica (germinação, primeira contagem, classificação do vigor de plântulas, envelhecimento acelerado, comprimento de plântulas, emergência de plântulas em campo e índice de velocidade de emergência). O beneficiamento de sementes, na máquina de ar e peneiras e mesa gravitacional é eficiente para o aprimoramento da qualidade física e fisiológica do lote de sementes de P. maximum cv. Mombaça. Para esta espécie o beneficiamento é necessário para atender os requisitos de pureza e germinação estabelecidos pelos padrões de comercialização nacional de sementes.Palavras-chave: Panicum maximum. Germinação. Vigor. Processamento. Pureza. Gramíneas forrageiras.ABSTRACT -Seeds received by forage-grass companies after harvesting contain impurities which are removed by processing machines. This procedure is necessary to obtain seeds which are within the standards of quality for marketing and sowing. The aim of this work was to evaluate the effects of the processing stages on the physical and physiological quality of seeds of guinea grass cv. Mombasa (Panicum maximum), with a view to marketing. Seeds were sampled before processing and after leaving the air screen machine (output from the upper, intermediate and bottom screens), first gravity table (drift, upper and intermediate output), treating machine, and second gravity table (upper, intermediate, and lower output). The seeds were evaluated for water content, physical quality (purity and thousand-seed weight) and physiological quality (germination, first count, classification of seedling vigour, accelerated ageing, seedling length, seedling emergence in the field, and speed of emergence index). Seed processing in the air and screen machine and the gravity table is efficient in improving the physical and physiological quality of the lots of P. maximum cv. Mombasa seed. For this species, processing is necessary to meet the demands for purity and germination established by the Brazilian standards for seed marketing.

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Section: Introductionunclassified

Processing on the physical and physiological quality of seeds of Guinea grass

Melo

Martins

Silva

et al. 2016

Revista Ciência Agronômica

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“…Panicum maximum (Jacq.) stands out among forage grasses, being used to form pastures in tropical regions of Brazil and other countries of America and Africa, because it is tolerant to drought, and as a result, the demand for seeds of the cultivar 'Mombaça' has been so expressive (Reynoso et al, 2009;Canto et al, 2012;Mendonça et al, 2014;Melo et al, 2016a).…”

Section: Introductionmentioning

confidence: 99%

Harvesting methods on physical and physiological quality of Panicum maximum seeds

Machado

Cruz

Silva

et al. 2019

Rev. bras. eng. agríc. ambient.

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The quality of seeds of forage species can be influenced by the different harvesting methods used. The aim of this study was to evaluate the physical and physiological quality of seeds of Panicum maximum, cultivars 'Massai' and 'Mombaça' , obtained by the methods of ground sweeping and direct heading (cutting of the panicles) of different farmers in the year 2014. The test consisted of three lots of each cultivar from seed farmers in the state of Goiás, Brazil. The experimental design was completely randomized, in 3 x 2 factorial scheme (farmer x harvesting methods) with four replicates. The following variables were analyzed: physical purity, 1000-seed weight; germination and first count of germination. At the end of the germination the percentage of dormancy and dead seeds were evaluated by the tetrazolium test of the remaining seeds, in addition to the abnormal seedlings. The data were submitted to analysis of variance and the means of the treatments were compared by Tukey test at 0.05 probability level. Seeds of P. maximum 'Massai' and 'Mombaça' collected by ground sweeping have superior physiological quality despite the low level of purity of the lots, compared to direct heading method.Métodos de colheita na qualidade física e fisiológica de sementes de Panicum maximum RESUMO: A qualidade de sementes de espécies forrageiras pode ser influenciada pelos diferentes métodos de colheita utilizados. Nesta pesquisa objetivou-se avaliar a qualidade física e fisiológica de sementes de Panicum maximum cultivares Massai e Mombaça, obtidas pelos métodos de colheita no cacho (corte das panículas) e varredura do solo, de diferentes produtores no ano de 2014. O ensaio constituiu-se de três lotes de cada cultivar oriundas de produtores de sementes do Estado de Goiás, Brasil. O delineamento experimental utilizado foi o inteiramente casualizado em esquema fatorial 3 x 2 (produtor x método de colheita) com quatro repetições. Foram avaliadas: pureza física, massa de mil sementes; germinação e primeira contagem de germinação. Ao final do teste foram avaliadas as porcentagens de sementes dormentes e mortas, pelo teste de tetrazólio das sementes remanescentes, além das plântulas anormais. Após a obtenção dos dados, os mesmos foram submetidos à análise de variância e as médias dos tratamentos foram comparadas pelo teste de Tukey, a 0,05 de probabilidade. As sementes de P. maximum cultivares Massai e Mombaça colhidas por varredura do solo tem melhor qualidade fisiológica, apesar do baixo nível de pureza dos lotes quando comparadas à colheita no cacho.

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“…Despite the benefits resulting from de presence crop residues on the soil, in the region of Campos Gerais, in Paraná state, Brazil (one of the most important dairy basins and the most productive one in Brazil (Paraná, 2016), cattle farmers remove the plants from the soil in the vegetative phase for the production of silage. In these regions, corn (Zea mays) cultivated during the summer is the most used crop for the production of silage (Mendonça et al, 2014). However, in order to keep the soil covered and to obtain extra income during the corn off-season (winter), it is common to sow forage, from which brachiaria (Urochloa spp.…”

Section: Introductionmentioning

confidence: 99%

“…Brachiaria spp.) is the most used one in tropical climates (Mendonça et al, 2014), and ryegrass (Lolium multiflorum Lam. ), the most common one in soils of temperate regions (Petean et al, 2010;Auler et al, 2014).…”

Section: Introductionmentioning

confidence: 99%

Influence of ryegrass managements on the physical properties of a Haplohumox

Vizioli

Cavalieri-Polizeli

Barth

2018

Pesq. agropec. bras.

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The objective of this work was to evaluate the influence of ryegrass (Lolium multiflorum) managements on the physical properties of a Haplohumox, and on the yields of corn and of ryegrass cultivated in succession to corn. The experiment was carried out in a randomized complete block design, with three treatments and three replicates, in which treatments were the different managements of ryegrass under no-tillage for silage, soil cover, and grazing. After nine years of management, samples were collected at 0.00-0.05, 0.05-0.10, 0.10-0.20, and 0.20-0.30-m soil depths, to determine the following soil properties: texture, total organic carbon, soil bulk density, macroporosity, microporosity, total porosity, and resistance to root penetration. The index of structural stability was estimated from texture and total organic carbon data. Maximum soil bulk density and permanent wilting point were also estimated from pedotransfer functions. Corn and ryegrass dry matter yields were determined from plants harvested inside the plot area. Total organic carbon content increased as depth increased. The ryegrass managements in no-tillage system, in succession to corn, does not influence the soil physical properties of a Haplohumox, and maintains high corn and ryegrass yields.

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Corn production for silage intercropped with forage in the farming-cattle breeding integration

Cited by 12 publications

References 16 publications

Processing on the physical and physiological quality of seeds of Guinea grass

Processing on the physical and physiological quality of seeds of Guinea grass

Harvesting methods on physical and physiological quality of Panicum maximum seeds

Influence of ryegrass managements on the physical properties of a Haplohumox

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