Bibliographies: 'Mulato II'

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Pereira, Diego de Sousa, Maria Laene Moreira de Carvalho, Renato Mendes Guimarães, Ariadne Santos Oliveira, and Gabriel Abreu Reis. "Physiological changes in hybrid Brachiaria cv. Mulato II after accelerated aging to overcome dormancy." Journal of Seed Science 39, no. 3 (2017): 244–53. http://dx.doi.org/10.1590/2317-1545v39n3171313.

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Abstract: To evaluate the effect of accelerated aging to overcome dormancy of hybrid Brachiaria cv. Mulato II (U. brizantha x U. decumbens x U. ruziziensis), seeds were collected from two lots with and without scarification, submitted to 42 °C and high humidity (98%) for different periods (0, 24, 48, 72 and 96 h) and then dried at 30 °C to the humidity of 9.1%. The physiological changes were evaluated by tetrazolium, germination, electrical conductivity, respiratory activity and enzymatic evaluation. The exposure of the hybrid Brachiaria cv. Mulato II to accelerated aging at 42 °C and 98% relative air humidity for up to 96 hours does not alter its viability by the tetrazolium test. Accelerated aging at 42 °C and 98% of humidity for up to 48 hours favors the germination of the scarified seeds of hybrid Brachiaria cv. Mulato II, with increased expression of α-amylase enzyme and reduction of electrical conductivity values. Loss of vigor occurs in scarified seeds of hybrid Brachiaria cv. Mulato II when exposed to accelerated aging at 42 °C and 98% of humidity from 96 hours with consequent changes in enzymatic systems and increased of the respiratory rate.

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Cabral, Carlos Eduardo Avelino, Lilian Chambó Rondena Pesqueira-Silva, Lívia Vieira de Barros, et al. "Defoliation height and potassium fertilization of Mulato II grass." Semina: Ciências Agrárias 38, no. 4Supl1 (2017): 2719. http://dx.doi.org/10.5433/1679-0359.2017v38n4supl1p2719.

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A pot trial in greenhouse conditions was carried out to identify at which defoliation height Mulato II grass (Urochloa hibrida cv. Mulato II) should be managed and to determine whether potassium fertilization is necessary in soil with high potassium content. The experiment was carried out in a greenhouse in a randomized block design with six treatments and five replications. Treatments consisted of a 3 × 2 factorial arrangement, with three defoliation heights (50, 65, and 80 cm) and with or without potassium maintenance fertilization. The production characteristics and chemical composition of the forage plant were evaluated. There was no interaction effect between defoliation height and fertilization with or without potassium on any of the analyzed variables, except for mineral content in Mulato II grass. The tillers and leaves number, shoot dry matter, leaf+sheath, root system, and residue were influenced by defoliation heights and potassium fertilization, except for the leaf blades and root dry matter, leaf blade/stem+sheath ratio, and leaves number, which were not influenced by potassium fertilization. Higher shoot dry matter was observed at the heights of 65 and 80 cm; however, comparing these two heights, leaf + sheath dry matter was lower at 65 cm. Regarding the grass’s chemical composition, there was an increase in neutral and acid detergent fiber and indigestible neutral detergent fiber contents as the defoliation height increased, which resulted in lower production of potentially digestible dry matter, which can compromise the potential use of the forage by animals. Among evaluated treatments, Mulato II grass defoliation is recommended for a maximum height of 65 cm. Potassium fertilization increases the yield and the potentially digestible dry matter content of Mulato II grass, even when cultivated in soil with high potassium content.

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Cabral, Carlos Eduardo Avelino, Lilian Chambó Rondena Pesqueira-Silva, Lívia Vieira de Barros, et al. "Defoliation height and potassium fertilization of Mulato II grass." Semina: Ciências Agrárias 38, no. 4Supl1 (2017): 2719. http://dx.doi.org/10.5433/1679-0359.2017v38n4suplp2719.

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A pot trial in greenhouse conditions was carried out to identify at which defoliation height Mulato II grass (Urochloa hibrida cv. Mulato II) should be managed and to determine whether potassium fertilization is necessary in soil with high potassium content. The experiment was carried out in a greenhouse in a randomized block design with six treatments and five replications. Treatments consisted of a 3 × 2 factorial arrangement, with three defoliation heights (50, 65, and 80 cm) and with or without potassium maintenance fertilization. The production characteristics and chemical composition of the forage plant were evaluated. There was no interaction effect between defoliation height and fertilization with or without potassium on any of the analyzed variables, except for mineral content in Mulato II grass. The tillers and leaves number, shoot dry matter, leaf+sheath, root system, and residue were influenced by defoliation heights and potassium fertilization, except for the leaf blades and root dry matter, leaf blade/stem+sheath ratio, and leaves number, which were not influenced by potassium fertilization. Higher shoot dry matter was observed at the heights of 65 and 80 cm; however, comparing these two heights, leaf + sheath dry matter was lower at 65 cm. Regarding the grass’s chemical composition, there was an increase in neutral and acid detergent fiber and indigestible neutral detergent fiber contents as the defoliation height increased, which resulted in lower production of potentially digestible dry matter, which can compromise the potential use of the forage by animals. Among evaluated treatments, Mulato II grass defoliation is recommended for a maximum height of 65 cm. Potassium fertilization increases the yield and the potentially digestible dry matter content of Mulato II grass, even when cultivated in soil with high potassium content.

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Ojo, V. O., T. A. Adeyemi, A. I. Adewuyi, T. R. Akinyemi, G. A. Akinade, and J. T. Amodu. "Response of two Brachiaria species to swine manure application rates: effect on biomass yield, nutritive quality and acceptability by WAD sheep." Nigerian Journal of Animal Production 45, no. 5 (2020): 158–68. http://dx.doi.org/10.51791/njap.v45i5.305.

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Rising inorganic fertilizer prices have led to return to the use of organic nutrient sources to reduce cost and improve pasture productivity. The present study determined the response of Brachiaria ruziziensis and Brachiaria mulato II to swine manure application rates: effect on biomass yield, nutritive quality and acceptability by WAD sheep. The experiment was a 3 × 2 factorial arrangement laid out as a split-plot design with three swine manure application -1rates (0, 5, 10 t ha ) as the main plot and two Brachiaria species (B. ruziziensis and B. mulato II) as the sub-plot replicated three times. Growth parameters were determined at 2, 4, 6 and 8 weeks after sowing, while dry matter yield was determined at 8 weeks after sowing. Chemical composition and in vitro gas production of the harvested grass samples were conducted and the acceptability of the forage material by WAD sheep was also determined. Results showed that B. ruziziensis was morphologically taller than B. mulato II at all weeks of growth. The heights of the plants significantly (P < 0.05) increased with increasing manure application rate at all weeks of growth. A significantly (P < 0.05) higher dry matter yield was recorded for -1B. ruziziensis than in B. mulato (6.24 vs. 4.16 t ha ). Dry matter yield of the plants increased as the rate of manure application increased. The crude protein content of both grasses increased significantly (P<0.05) as the level of manure inclusion increased. The highest significant (P<0.05) (14.00 ml/200mg DM) gas volume produced was recorded for B. -1ruziziensis fertilized with 10 t ha of manure while the least gas volume (7.50 ml/200mg DM) was recorded for B. mulato unfertilized at 24 hours of incubation. Brachiaria ruziziensis -1fertilized with 5 t ha of swine manure was most preferred by the sheep. In conclusion, herbage yield increased as the swine manure application rate increased, also chemical composition and acceptability by sheep was higher in B. ruzuziensis than with B. mulato II.

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Ferreira, Valquíria De Fátima, Thaís Francielle Ferreira, Rafaela Aparecida de Carvalho, Denilson Paulo da Rosa Mavaieie, Diego Souza Pereira, and João Almir Oliveira. "Qualidade fisiológica de sementes revestidas de braquiária híbrida cv. Mulato II." REVISTA AGRO@MBIENTE ON-LINE 9, no. 2 (2015): 161. http://dx.doi.org/10.18227/1982-8470ragro.v9i2.2471.

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A crescente demanda por forrageiras tem impulsionado o desenvolvimento da indústria sementeira no Brasil que busca oferecer sementes de qualidade com valor agregado por meio de tecnologias. O cultivar Mulato II é a primeira espécie híbrida de braquiária comercializada no Brasil. Foi desenvolvido a partir do cruzamento de três espécies de Urochloa (U. brizantha x U. decumbens x U. ruziziensis). O revestimento de sementes é uma técnica de tratamento na pré-semeadura capaz de melhorar o desempenho das plantas no campo. Porém, o revestimento pode acarretar problemas com relação à qualidade das sementes. Diante do exposto, objetivou-se com esta pesquisa avaliar o efeito do revestimento de sementes sob a qualidade fisiológica de sementes de braquiária híbrida cv. Mulato II. A pesquisa foi conduzida no Laboratório de Análise de Sementes, da Universidade Federal de Lavras - MG, com delineamento inteiramente casualizado, em esquema fatorial 6x2, sendo seis lotes de sementes, sem e com incrustação. Os testes fisiológicos utilizados foram: germinação, emergência, índice de velocidade de emergência, tempo médio de emergência, tetrazólio e análise da enzima α-amilase. O revestimento das sementes de Braquiária híbrida cv. Mulato II reduz a viabilidade, a velocidade de germinação, a germinação, a velocidade de emergência de plântulas e a porcentagem de plântulas emergidas da espécie, comprovada pela redução da expressão da enzima α-amilase.

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Nguku, Susan Akinyi, Nashon K. R. Musimba, Donald N. Njarui, and Royford Murangiri Mwobobia. "THE CHEMICAL COMPOSITION AND NUTRITIVE VALUE OF Brachiaria GRASS CULTIVARS AT KATUMANI DRYLAND RESEARCH STATION IN SOUTH EASTERN KENYA." JOURNAL OF ADVANCES IN AGRICULTURE 5, no. 2 (2016): 706–17. http://dx.doi.org/10.24297/jaa.v5i2.5085.

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The study was conducted at Kenya Agricultural and Livestock Research Organisation, Katumani, Machakos to evaluate the herbage quality of Brachiaria grass cultivars in semi arid regions of Eastern Kenya. Brachiaria cultivars namely B. decumbens cv. Basilisk, Brachiaria hybrid Mulato II, four Brachiaria brizantha cultivars Marandu, Xaraes, Piata, MG4 and Brachiaria humidicola cv Llanero were assessed with reference to their chemical and nutritive composition at 22, 24 and 28 weeks post seedling emergence. Rhodes grass (Chloris gayana cv KATR3) and Napier grass (P. pupureum cv. Kakamega I) were included as controls. There were significant differences (p<0.05) among the cultivars for crude protein, crude fibre (NDF, ADF and ADL) Ash, Calcium, Phosphorus, Dry Matter Digestibilty and Metabolisable energy during the the week 22 and 24 post seedling emergence harvest. At week 28 harvest interval, however, ADL values for all the cultivars were similar and only Marandu was significantly different (p<0.05) in terms of metabolizable energy from the rest. The mean CP content of the grasses decreased from 11.1% at week 22 to 6.3% at harvest week 28 harvest intervals. MG4, Mulato II and Xaraes were the only grasses able to meet minimum CP (7.0%) requirement for rumen microbial function throughout the harvest period. Ash and phosphorus values decreased whereas Calcium content increased for all the cultivars during the harvest intervals, with Mulato II recording the highest ash (15%) content during this period. Chloris gayana KATR3 recorded highest average NDF (72.9%), ADF (48.1%) and ADL (6.1%) content during this period. Xaraes, Marandu and Mulato II were the only cultivars able to achieve the highest metabolizable energy of 7.0 MJ/kg DM recorded for the grass cultivars throughout the harvest intervals. These results indicate that Brachiaria grasses can be a good source of forage for livestock and a boost to the forage resource base in the semi arid regions of Kenya. Further research is needed to quantify their productivity in both dry and wet periods and to assess the effect of feeding on animal production performance.

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Silva, Liliane S., Valdson J. Silva, Junior I. Yasuoka, Lynn E. Sollenberger, and Carlos G. S. Pedreira. "Tillering dynamics of ‘Mulato II’ brachiariagrass under continuous stocking." Crop Science 60, no. 2 (2020): 1105–12. http://dx.doi.org/10.1002/csc2.20008.

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8

Garay-Martínez, Jonathan Raúl, Eugenia Guadalupe Cienfuegos-Rivas, José Antonio Espinosa-Marroquín, Pedro Zárate-Fortuna, and Martín Antonio Ibarra-Hinojosa. "ANÁLISIS DE CRECIMIENTO INICIAL DE CINCO GENOTIPOS DE BRACHIARIA EN TRÓPICO HÚMEDO." Tsafiqui, no. 3 (December 3, 2012): 83. http://dx.doi.org/10.29019/tsafiqui.v0i3.223.

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Se condujo un estudio para evaluar el crecimiento inicial de cinco variedades de Brachiaria en la época de lluvia característica del clima tropical húmedo de la provincia de Santo Domingo de los Tásachilas, Ecuador. Los materiales genéticos evaluados fueron variedades mejoradas de Brachiaria brizantha (Piatá, Xaraés y Marandú), Brachiaria híbrido (Mulato II) y la variedad Brachiaria decumbens, considerada como testigo por ser la que prevalece en la zona en estudio. Las variedades fueron sembradas por semilla en fundas de plástico y colocadas a la intemperie para evaluar el crecimiento durante las doce semanas posteriores a la emergencia. Los resultados indican que el híbrido Mulato II tiene mayor potencial de establecimiento (P<0.05) que B. decumbens; sin embargo, cuando se estimó la tasa de crecimiento, la variedad Marandú fue superior (P<0.05) desde el inicio de la evaluación, ex presado por una mayor acumulación de biomasa por unidad de área. La tasa de asimilación neta (TAN) y la tasa relativa de crecimiento (TRC) mostraron un comportamiento descendente en todas las variedades (P>0.05) a lo largo del tiempo, siendo el hibrido Mulato II el que presentó la menor TAN, debido probablemente a la menor altura y mayor área foliar. Los resultados obtenidos demuestran la importancia de determinar la eficiencia fisiológica de las plantas forrajeras en el ambiente donde se van a cultivar, para garantizar la eficiencia durante el establecimiento de las praderas.

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Torres Salado, Nicolás, Miguel Moctezuma Villar, Adelaido Rafael Rojas García, María De los Ángeles Maldonado Peralta, Armando Gómez Vázquez, and Paulino Sánchez Santillán. "Comportamiento productivo y calidad de pastos híbridos de Urochloa y estrella pastoreados con bovinos." Revista Mexicana de Ciencias Agrícolas, no. 24 (April 21, 2020): 35–46. http://dx.doi.org/10.29312/remexca.v0i24.2356.

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En las zonas tropicales, las gramíneas son la principal fuente de alimentación para los rumiantes, sin embargo, las condiciones ambientales y el manejo de las praderas inciden directamente en el rendimiento y calidad de las mismas. El objetivo fue estudiar el efecto del rendimiento de los pastos híbridos de Urochloa y pasto Estrella (Cynodon plectostachyus) a diferentes frecuencias e intensidades de pastoreo, con bovinos en el trópico seco. Se evaluaron los pastos Cobra, Mulato II y Cayman (Urochloa) y pasto estrella en frecuencias de corte de 28 y 35 d, e intensidades severo y ligero de 10 y 15 cm, respectivamente, que se distribuyeron de forma aleatoria en un diseño de bloques al azar con arreglo factorial 2 x 2 con tres repeticiones. Se observó efecto del manejo en la acumulación de MS, siendo mayor la acumulación a menor frecuencia e intensidad ligera de pastoreo independientemente del pasto evaluado. El pasto Cobra, Cayman y Mulato II obtuvieron el mayor rendimiento en la frecuencia a 35 d e intensidad ligera con un promedio de 6 679 kg MS ha-1 mientras que, en ese manejo el pasto estrella obtuvo el menor rendimiento con 4 028 kg MS ha-1. La mayor proteína cruda en hoja, en todos los pastos se encontró en el pastoreo severo e intensidad a 28 d con 20, 20, 18 y 10% en Cobra, Mulato II, Cayman y Estrella, respectivamente (p< 0.05). Se concluye que la mayor producción del forraje se obtuvo al cosechar a una intensidad ligera de 15 cm, cada 35 d y el mayor contenido de proteína se alcanzó cuando el forraje se cosecho a intensidad de 10 cm y una frecuencia de 28 d.

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Vendramini, Joao M. B., Lynn E. Sollenberger, Graham C. Lamb, and Maria L. Silveira. "Herbage accumulation, nutritive value and persistence of Mulato II in Florida." Tropical Grasslands - Forrajes Tropicales 1, no. 1 (2013): 123. http://dx.doi.org/10.17138/tgft(1)123-124.

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Academic literature on the topic 'Mulato II'

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