Avaliação de Diferentes Híbridos de Sorgo (Sorghum bicolor, L. Moench) quanto aos Componentes da Planta e Silagens Produzidas

Neumann, Mikael; Restle, João; Filho, Dari Celestino Alves; Bernardes, Régis Augusto Carvalho; Arboite, Miguelangelo Ziegler; Cerdótes, Liliane; Peixoto, Luiz Antero de Oliveira

doi:10.1590/s1516-35982002000200003

Cited by 30 publications

(44 citation statements)

References 11 publications

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“…These results are superior to those found by Neumann et al (2002) , who found variations ranging from 22,707 to 39,563 kg/ha evaluating four sorghum hybrids (AGX-213, AG-2002, AGX-217, andAG-2005E). However, Rodrigues Filho et al (2006), assessing the potential yield of four sorghum hybrids (BRS 610, CMSXS 762, BR 506, and BR 700), observed higher response than the one found in this study, with TNMP ranging from 45,870 to 67,560, probably due to the environmental conditions of each study.…”

Section: Resultscontrasting

confidence: 91%

“…These results may highlight the high yield potential of hybrids, with TDMP similar to those found in other studies (Neumann et al 2002;Rodrigues Filho et al, 2006).…”

Section: Resultssupporting

confidence: 90%

“…Given this, the hybrids are characterized as of dual purpose, since they have high productivity and high percentage of panicle. In a study conducted by Neumann et al (2002), these authors found much lower percentages of stem for the dual-purpose hybrid AG2005E (33.4%).…”

Section: Resultsmentioning

confidence: 92%

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Agronomic divergence of sorghum hybrids for silage yield in the semiarid region of Paraiba

et al. 2011

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-The objective of this study was to evaluate the agronomic divergence of 25 sorghum hybrids (Sorghum bicolor L. Moench) in the semiarid region of Paraiba. A randomized block design with three replications was used for evaluation of plant height (PH), total natural matter production (TNMP) and total dry matter production (TDMP) and the percentage of components of DM (panicle, leaf blade, stem and dead matter) of the following hybrids: 866005, 866019, 866033, 866034, 866035, 866036, 866037, 866040, 866041, 866042, 866043, 866044, 870025, 870031, 870035, 870041, 870051, 870067, 870081, 870085, 870095, 1F305, BRS 610, Volumax, and XBS60329. Hybrid 1F305, followed by hybrid 866034, presented the highest average PH. There was a range from 7.679 to 20.948 kg/ha (average of 13,799 kg/ha) for TDMP. Hybrids 1F305, BRS 610 and Volumax presented less potential, and hybrids 866,041 and 866,042 were the most productive. Based on cluster analysis and subjective cut in 50% of dissimilarity, it was possible to establish four hierarchical groups, from which two stood out concerning productive characteristics. The group formed by hybrids Volumax, BRS 610, and XBS60329 presented lower averages for yield and lower percentage of panicle. Hybrids 866041 and 866042 show a higher total dry matter production, with values around 20,000 kg/ha.

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Section: Resultscontrasting

confidence: 91%

“…These results may highlight the high yield potential of hybrids, with TDMP similar to those found in other studies (Neumann et al 2002;Rodrigues Filho et al, 2006).…”

Section: Resultssupporting

confidence: 90%

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Agronomic divergence of sorghum hybrids for silage yield in the semiarid region of Paraiba

et al. 2011

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“…The higher values of DM in the silages may be associated with a high percentage of panicle, as observed by Silva et al (2011). Neumann et al (2002a) N-NH 3 -ammonia nitrogen; LA -lactic acid; AA -acetic acid; PA -propionic acid; BA -butyric acid; TN -total nitrogen; DM -dry matter; CV -coefficient of variation. Pedreira et al (2003), which was 3.4 dag/kg DM.…”

Section: Resultsmentioning

confidence: 71%

Divergence of the fermentative and bromatological characteristics of 25 sorghum hybrid silages

et al. 2012

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-The objective of this study was to evaluate the divergence of bromatological and fermentative characteristics of silages of 25 sorghum (Sorghum bicolor L. Moench) hybrids. The experimental design was completely randomized with 25 treatments and four replications. The mean values of pH differed with variation from 3.45 to 3.87 for hybrids 866005 and 870051, respectively, and the mean pH value was 3.66. The average percentage of lactic acid ranged from 2.90 to 7.43 dag/kg of dry matter (DM) in hybrids 870035 and 866005, respectively, with an average of 4.65 dag/kg DM.Through cluster analysis by the Tocher method and average Euclidean distance based on the fermentative characteristics, five groups were formed: one with 18 hybrids, another with four and three groups with one hybrid in each. In group three, there were the hybrids that showed the highest values of lactic acid. Hybrids 870025, 870035, 870081, 870095, 866034, and 870031 showed higher DM content and the hybrid BRS 610 had the lowest average compared with the others. Hybrids 1F305, BRS 610, Volumax, and XBS60329 had the lowest levels of non-fiber carbohydrates and higher neutral detergent fiber corrected for ash and protein. Despite the fermentative and bromatological divergences between hybrids, they are not a limiting factor to silage production.

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“…O desenvolvimento de técnicas de emurchecimento, o uso de inoculantes microbianos, aditivos absorventes e máquinas mais eficientes para colheita foram de fundamental importância para o aumento da utilização da silagem de capim (2) . Segundo Neumann et al (3) , a cultura do sorgo para produção de silagem no país tem-se mostrado como uma alternativa viável aos produtores, principalmente, em regiões que apresentam limitações para o cultivo ou a produção do milho. O grande potencial do sorgo para ensilagem deve-se, principalmente, por apresentar alto rendimento de matéria seca por unidade de área e características que favorecem o perfil de fermentação desejável, como teores adequados de matéria seca (30% a 35%), teor de carboidratos solúveis maior que 15% e poder tampão menor que 20 emg de NaOH/100 g de MS (4) .…”

Section: Introductionunclassified

Valor Nutritivo De Silagem De Capim-Piatã Em Monocultivo E Em Consórcio Com Sorgo De Corte E Pastejo

et al. 2016

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ResumoObjetivou-se avaliar a influência da idade de corte no valor nutritivo de silagem de capim-piatã em monocultivo e em consórcio com sorgo. Utilizou-se o delineamento em blocos casualizados com quatro repetições. Os tratamentos foram dispostos em esquema de parcelas subdivididas, como parcelas sistemas (capim-piatã; sorgo de corte e pastejo e consórcio) e como subparcelas as idades de corte (70, 90 e 110 dias após a semeadura). Os minissilos foram abertos aos 46 dias, avaliando-se na silagem os teores de proteína bruta (PB), fibra em detergente ácido (FDA), fibra em detergente neutro (FDN), nutrientes digestíveis totais (NDT), nitrogênio amoniacal, lignina e pH. Com o avanço da idade, ocorreu redução linear no teor de PB de 0,12; 0,08 e 0,16 unidades percentuais a cada dia após a semeadura nas silagens de sorgo, sorgo+capim e capim-piatã, respectivamente. Verificouse aumento linear no valor de pH da silagem de sorgo + capim, em função do avanço na idade de 0,03 unidade a cada dia após a semeadura. Nas silagens de sorgo e de capim em monocultivo, o pH apresentou valores médios de 4,63 e de 5,20, respectivamente. Os sistemas com sorgo apresentam potencial para produção de silagem de boa qualidade aos 70 dias de idade. Palavras-chave: gramíneas tropicais; idade de corte; minissilo; silagem. AbstractThe objective of this study was to evaluate the influence of the time of cutting on the nutritive value of Piatã silage grass in monocrop and intercropping with sorghum for cutting and grazing. We used a randomized block design with four replications. Treatments were arranged in a split plot design, with systems as plots (Piata grass, sorghum for cutting and grazing, and intercropping), cutting ages as sublots (70, 90, and 110 days after sowing). The minisilos were opened at 46 days to evaluate silage crude protein (CP), acid detergent fiber (ADF), neutral detergent fiber (NDF), total digestible nutrients (TDN), ammonia nitrogen, lignin, and pH. We observed significant interaction between system and age on the variables CP, ADF, NDF, lignin and pH. With the advancement of age, there was a linear reduction in crude protein content of 0.12, 0.08, and 0.16 percentage units for each day after sowing in sorghum silage, sorghum grass and grass + Piata, respectively. There was a linear

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Avaliação de Diferentes Híbridos de Sorgo (Sorghum bicolor, L. Moench) quanto aos Componentes da Planta e Silagens Produzidas

Cited by 30 publications

References 11 publications

Agronomic divergence of sorghum hybrids for silage yield in the semiarid region of Paraiba

Agronomic divergence of sorghum hybrids for silage yield in the semiarid region of Paraiba

Divergence of the fermentative and bromatological characteristics of 25 sorghum hybrid silages

Valor Nutritivo De Silagem De Capim-Piatã Em Monocultivo E Em Consórcio Com Sorgo De Corte E Pastejo

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