Capim Tanzânia (Panicum maximum) sob sombreamento e manejo de corte.

Ferreira, D. J.; Zanine, A. M.; Souto, S. M.; Dias, P. F.

doi:10.21071/az.v59i225.4894

Cited by 3 publications

(2 citation statements)

References 8 publications

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“…Significant regression at 5% of probability. Ferreira et al (2010) evaluating Panicum maximum cv. Tanzania development under shading conditions, verified at 60 days the greatest accumulation of dry mass in conditions of greater luminosity, differing from the present result.…”

Section: Resultsmentioning

confidence: 99%

Luminosity levels and substrates composition on Bermuda Grass development

Amaral¹,

Pagliarini

Haga

et al. 2019

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Turfgrass is a fundamental part in sports fields’ composition. Some aspects should be taken into account in the choosing species process, such as turfgrass use (trampling tolerance), turfgrass management, physical-chemical soil conditions and shade tolerance. With accomplishment of sporting events in Brazil, there was requirement for football arenas reform and modernization. Among architecture alterations, coverings implantation was noticed, resulting luminosity reduction affecting turfgrass development. Therefore, the objective of this work was to evaluate the influence of luminosity and substrates on Bermuda grass (Cynodon dactylon x C. transvaalensis) development. The experiment was conducted in a 5 x 4 factorial scheme (substrates x luminosities), in completely randomized design with 20 treatments and 3 replicates. The substrates were: S1 = Soil, S2 = Soil + sand (2:1), S3 = Soil + organic matter (1:1), S4 = Soil + organic matter + sand (2:1:1) and S5 = organic matter + sand (3:1), in four luminosity conditions: full sun, 30%, 50% and 80% of shading for six months. We evaluated substrates fertility composition, solar radiation, grass height and fresh and dry mass. Shading interfered on Bermuda grass development, which tolerates intermediate shading (30% and 50%). Substrates containing the highest levels of organic matter submitted to shading had impaired turfgrass performance.

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Section: Resultsmentioning

confidence: 99%

Luminosity levels and substrates composition on Bermuda Grass development

Amaral¹,

Pagliarini

Haga

et al. 2019

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“…Indeed, several reports on M. maximus as a forage plant pointed to a high tolerance to shading (DIAS et al 2016). Both Castro et al (2001) described high shade tolerance in this species, and Ferreira et al (2010) reported higher grass dry biomass under moderate shade. Thus, the lack of correlation between grass dry biomass and canopy openness in this study might be related to some degree of shade tolerance by M. maximus.…”

Section: Discussionmentioning

confidence: 69%

FACTORS AFFECTING THE ABUNDANCE OF RUDERAL SPECIES AND Megathyrsus maximus, AN INVASIVE C4 GRASS IN ATLANTIC FOREST RESTORATION SITES

Dias

Torezan

2020

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Resumo Fatores afetam a abundância de espécies ruderais de Megathyrsus maximus, uma gramínea C4 invasora em áreas de Restauração da Floresta Atlântica. A gramínea exótica invasora Megathyrsus maximus (Capim-Guiné) tem sido reportada como um filtro para a regeneração de espécies lenhosas nos primeiros anos da restauração de florestas tropicais. Objetivou-se avaliar sítios de restauração florestal, correlacionando a densidade e biomassa de M. maximus e de outras espécies ruderais com a idade das áreas, abertura de dossel, riqueza e abundância de árvores plantadas e a fertilidade do solo. Foram selecionados dezessete sítios de restauração, com plantios entre 40 e 110 meses, no Reservatório de Capivara no Sul do Brasil. Em cada área, dez parcelas de 10m² cada, com quatro subparcelas de1m² foram alocadas, onde foi verificada a fertilidade do solo, abundância (M. maximus, plantas nativas e ruderais) e a biomassa seca (M. maximus e ruderais). Todas as áreas apresentaram alta fertilidade do solo, e a abertura do dossel (21.5% a 38.5%) decresceu com o tempo. A abundância de espécies ruderais esteve relacionada com a abertura do dossel e a idade do plantio. A biomassa seca (que variou de 0 a 182g/m²) e densidade de M. maximus (que variou de 0 a 2 moitas por m²) não estiveram relacionadas com a idade ou abertura do dossel. Ainda, com exceção da concentração de magnésio no solo, nenhuma das variáveis relacionadas à fertilidade do solo, explicaram a abundância de M. maximus, indicando alta plasticidade fenotípica. É importante destacar que quase 10 anos após o plantio, os locais reflorestados não suprimiram com sucesso o Megathyrsus maximus, embora a abertura do dossel tenha diminuído. Palavras-chave: abertura de dossel, biomassa seca, fertilidade do solo, gramínea exótica, reflorestamento.

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Performance and grazing behavior of growing goats supplemented with palm tree fruit

et al. 2019

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This study aimed to evaluate the performance and ingestive behavior of growing goats grazing on Tanzania guinea grass and fed diets containing 40% carnauba or tucum fruits. Twenty-one male castrated goats were distributed into three groups, one exclusively on pasture and the other two on pasture and fed diet supplemented at the level of 1.5% body weight (BW) in a completely randomized design. The intake of the supplements was obtained by difference between the amount supplied and the leftovers, with weighing performed every seven days, while pasture intake was determined using titanium dioxide (TiO 2 ) as external indicator. Ingestive behavior was evaluated for three days. The supplement containing carnauba fruit resulted in a greater intake of neutral detergent fiber (0.137 kg NDF/day), with a reduction of 8.61% in the pasture dry matter (DM) intake of goats. Associated with the intake of pasture nutrients, the tucum fruit diet met the protein (0.103 kg CP/day) and energetic (0.547 kg TDN/day) requirements of goats with intake set at 0.124 kg CP/day and 0.572 kg TDN/day, with higher weight gain (0.111 kg/day) and larger loin eye area (12.76 cm 2 ). The supplementation with fruits influenced the grazing behavior of goats, increasing the idle time by 1 h in relation to animals not supplemented. The supplementation of growing goats grazing on Tanzania guinea grass pasture with a diet containing 40% tucum fruit, in the proportion of 1.5% BW, did not meet the nutritional requirements for gain of 150 g/day; however, it met requirements for maintenance and average gain of 111 g/day. Energy supplementation reduces the grazing time of goats; thus, it is necessary to consider the level and formulation of supplements, with the possibility of increasing the stocking rate and productivity per unit area. How to cite: Garcez, B. S.; Alves, A. A.; Araújo, D. L. C.; Oliveira, M. E.; Pompeu, R. C. F. F.; Rogério, M. C. P.; Moreira, A. L. and Lima, I. S. S. 2019. Performance and grazing behavior of growing goats supplemented with palm tree fruit. Revista Brasileira de Zootecnia 48:e20180159.

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Capim Tanzânia (Panicum maximum) sob sombreamento e manejo de corte.

Cited by 3 publications

References 8 publications

Luminosity levels and substrates composition on Bermuda Grass development

Luminosity levels and substrates composition on Bermuda Grass development

FACTORS AFFECTING THE ABUNDANCE OF RUDERAL SPECIES AND Megathyrsus maximus, AN INVASIVE C4 GRASS IN ATLANTIC FOREST RESTORATION SITES

Performance and grazing behavior of growing goats supplemented with palm tree fruit

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