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Mostrando 1 - 50 de 1.186 resultados.


Characterization and selection Brazilian native grasses for use as turfgrass. The objective of this study was to characterize eight accessions of Brazilian native grasses, namely Axonopus parodii (AP 01), Paspalum notatum (PN 01, PN 02, PN 03, PN 04, PN 05 and PN 06) and P. lep... ... Repositório: BDPA Ano de publicação: 2017
Elephant grass response to amino-acid synthesis inhibitor herbicides. Abstract Elephant grass (Pennisetum purpureum Schum.) fodder productivity and quality are directly affected by weed interference. The difficulty in controlling weed species is one of the major limitat... ... Repositório: BDPA Ano de publicação: 2017
Preemergence herbicides on weed control in elephant grass pasture. Elephant grass (Pennisetum purpureum Schum.) is an important forage crop that has been proposed as a potential feedstock for bioenergy production. However, weed interference is a major factor limiting... ... Repositório: BDPA Ano de publicação: 2016
Nitrogen recovery efficiency for corn intercropped with palisade grass. Intercropping corn and palisade grass is a technique to increase straw production, soil C contents, nutrient cycling and crop yield. However, concerns arise from nitrogen (N) uptake by the intercroppi... ... Repositório: BDPA Ano de publicação: 2018
A joint learning approach for genomic prediction in polyploid grasses. Poaceae, among the most abundant plant families, includes many economically important polyploid species, such as forage grasses and sugarcane (Saccharum spp.). These species have elevated genomic comp... ... Repositório: BDPA Ano de publicação: 2022
Influence of flood areas on the number of diazotrophic bacteria from pasture grasses. Floodplain areas are driven by flood pulse and with consequence, flood gradient are formed, such as, lakes, wetlands and dry areas. And this gradient is one of the most important forcing functions for... ... Repositório: BDPA Ano de publicação: 2016
Buffel grass morphoagronomic characterization from cenchrus germplasm active bank. This study aimed to characterize buffel grass accessions of the Cenchrus Germplasm Active Bank (CGAB) from Embrapa Semi-Arid in a morphoagronomic way, checking the descriptors variability and efficien... ... Repositório: BDPA Ano de publicação: 2017
Potencial production yield and biomass quality attributes of elephant grass (pennisetum purpureum) for energy purposes. Several of the perennial grasses include elephant grass (Pennisetum purpurem), energy cane (Saccharum sp.), giant reed (Arundo donax), sorghum and Miscanthus sp. are used for bioenergy production purp... ... Repositório: BDPA Ano de publicação: 2015
In situ degradation kinetic of Andropogon gayanus grass silages harvested at three stages of maturity. ABSTRACT - Maturity is considered the primary factor affecting the nutritive value of forages. The aim of this study was to evaluate and compare dry matter (DM), crude protein (CP) and neutral deterge... ... Repositório: BDPA Ano de publicação: 2014
Morphophysiology of tropical grasses under different water supply in two growing seasons: II. BRS Massai and BRS Tamani grasses. Abstract: This study aimed to evaluate the physiological parameters and the biomass flow and structural characteristics of BRS Massai and BRS Tamani grasses under different irrigation conditions. The... ... Repositório: BDPA Ano de publicação: 2021
Maximum contact Ttime of "Piatã Grass" Brachiaria brizantha (Poaceae) seeds with fertilizer for germination. Data regarding the mixing of palisade grass seeds with fertilizers are scarce and contradictory. The aim of this study was to evaluate the maximum contact time without significant damage on physiologi... ... Repositório: BDPA Ano de publicação: 2019
Estimates of heterosis parameters in elephant grass (Pennisetum purpureum Schumach.) for bioenergy production. With a high growth rate and a DM yield of up to 80 t ha-1 yr-1, elephant grass (Pennisetum purpureum Schumach.) has been utilized as an alternative source of energy. However, genotypes adapted to and... ... Repositório: BDPA Ano de publicação: 2015
HPPD-Inhibiting herbicides alone or in tank-mix with Atrazine in elephant grass. The interference imposed by weeds is one of the most important factors limiting elephant grass forage yield. Two experiments were carried out in 2015/2016 and 2017 to evaluate the selectivity and weed... ... Repositório: BDPA Ano de publicação: 2017
Grass and forage research indexed by the Web of Science from 2005 to 2015. Beef and milk production in Brazil is mainly pasture-based (Assis et al., 2005; ABIEC, 2018; FERRAZ; FELÍCIO, 2010). There is around 160 million ha of pasturelands in Brazil, which represents 45% of t... ... Repositório: BDPA Ano de publicação: 2019
Development of microsatellite panels for molecular fingerprinting of Napier grass (Cenchrus purpureus) cultivars. Napier grass is a perennial tropical forage that is used in beef and dairy production systems. Despite its significance in animal nutrition, molecular information available, such as microsatellite or... ... Repositório: BDPA Ano de publicação: 2022
Modeling the regrowth of forage grasses: simulating growth, partitioning, and carbon and nitrogen metabolism. Reserves play an important role in plants undergoing stress. Plants adapted to defoliation use reserve compounds to regrow leaf area. Modeling grass regrowth should account for these processes. A fiel... ... Repositório: BDPA Ano de publicação: 2016
Identification of descriptors for morphological characterization of vegetative tillers of native grass Mesosetum chaseae Luces. Mesosetum chaseae Luces is a tropical forage native to America, found in regions of the Pantanal with poor sandy soil. Germplasm accessions has been maintained in genebanks in the Nhumirim ranch of th... ... Repositório: BDPA Ano de publicação: 2018
Degradability of Piatã grass silage (Urochloa brizantha cv. BRS Piatã) with additives. With a seasonality of forage production there is a decrease in forage production in the dry season. In contrast, production in the rainy season is excessive and the management of the areas should be c... ... Repositório: BDPA Ano de publicação: 2017
The impact of temperature on biological aspects and life table of Rhopalosiphum padi(hemiptera: aphididae) fed with signal grass. The impact of temperature was evaluated on Rhopalosiphum padi (L.) (Hemiptera: Aphididae). Nymphs, 12-h-old, were placed individually in cylindrical plastic dishes (2.5 × 2.5 cm), with a layer of 1% a... ... Repositório: BDPA Ano de publicação: 2009
Genomic selection in tropical forage grasses: current status and future applications. The world population is expected to be larger and wealthier over the next few decades and will require more animal products, such as milk and beef. Tropical regions have great potential to meet this g... ... Repositório: BDPA Ano de publicação: 2021
Forage production and preservation of species by enriching caatinga with grasses and thinning areas into strips. Abstract: The objective of this study was to evaluate the thinning into strips and the enrichment with exotic grasses in a Caatinga area in order to maintain and increase the biodiversity of native ve... ... Repositório: BDPA Ano de publicação: 2019
Unraveling candidate genes underlying biomass digestibility in elephant grass (Cenchrus purpureus). Background: Elephant grass [Cenchrus purpureus (Schumach.) Morrone] is used for bioenergy and animal feed. In order to identify candidate genes that could be exploited for marker-assisted selection in... ... Repositório: BDPA Ano de publicação: 2019
Morphogenetic and structural traits of Ipyporã grass subjected to nitrogen fertilization rates under intermittent grazing. ABSTRACT- This study examined the effects of annual nitrogen (N) rates of 100 and 200 kg ha-¹ on the morphogenetic and structural traits of Ipyporã grass (Brachiaria brizantha × Brachiaria ruziziensis... ... Repositório: BDPA Ano de publicação: 2022
Biological and economic responses to increasing nitrogen rates in Mombaça guinea grass pastures. Nitrogen fertilization has been recognized as an essential tool towards the establishment of sustainable intensification of pasture-based livestock systems using tropical perennial grasses if, for a g... ... Repositório: BDPA Ano de publicação: 2022
Molecular markers as a tool for germplasm acquisition to enhance the genetic diversity of a Napier grass (Cenchrus purpureus syn. Pennisetum purpureum) collection. Abstract At the International Livestock Research Institute (ILRI), Addis Ababa, Ethiopia, 171 germplasm accessions of Napier grass were studied using 20 SSR markers with the objective of assessing the... ... Repositório: BDPA Ano de publicação: 2018
Fiber fractions, multielemental and isotopic composition of a tropical C4 grass grown under elevated atmospheric carbon dioxide. Abstract: Brazil has the largest commercial herd of ruminants with approximately 211 million head, representing 15% of world?s beef production, in an area of 170 million hectares of grasslands, mostly... ... Repositório: BDPA Ano de publicação: 2019
Morphophysiology of buffel grass grown under different water supplies in the dry and dry-rainy seasons. Abstract: The lack of information on the growth of forage grasses in semi-arid environment, especially from the perspective of irrigation, is one of the obstacles to regular forage supply, as well as... ... Repositório: BDPA Ano de publicação: 2019
Effect of long-term storage on viability of buffel grass (Cenchrus ciliaris L.) seeds. Prolonged storage of seeds may lead to decreases in seed quality, negatively affecting germination and vigor and preventing the obtaining of a promising stand. Seed quality is a critical factor, and t... ... Repositório: BDPA Ano de publicação: 2022
Photosynthesis and growth of young grapevines intercropped with native grasses in soils contaminated with copper. High copper (Cu) contents in vineyard soils due to long-term foliage-defense program based on Cu-containing fungicides may cause physiological and nutritional disorders in young grapevines, limiting p... ... Repositório: BDPA Ano de publicação: 2018
Yield, nutritional status and soil chemical properties as response to cattle manure, reactive natural rock phosphate and biotite schist in Massai grass. In animal production, grasses planted in the pasture lands have especial value to improve aggregate value of products. This paper evaluates the effects of applying cattle manure, reactive natural phos... ... Repositório: BDPA Ano de publicação: 2009
Levantamento de insetos-praga associados aos capins tanner-grass, tangola e estrela-africana no Acre. O presente estudo teve o objetivo de realizar um levantamento de insetos-praga em pastagens formadas com os capins tanner-grass (Brachiaria arrecta), tangola (B. arrecta x B. mutica) e estrelaafricana... ... Repositório: BDPA Ano de publicação: 2009
Gas exchange in Massai grass fertilized with nitrogen and grazed by sheep. The knowledge of gas exchanges in forage plants is essential for a better understanding of the process of forage biomass production in pasture. This study evaluated the gas exchange in massai grass fe... ... Repositório: BDPA Ano de publicação: 2020
Morphogenetic and structural comparative characterization of tropical forage grass cultivars under free growth. ABSTRACT - Understanding of the morphogenetic characteristics allows comprehension of aspects related to the form and function of forage plants, providing opportunities to identify potentially high pr... ... Repositório: BDPA Ano de publicação: 2010
Valor nutritivo e fatores antinutricionais nos capins estrela-africana, tangola e tanner-grass nas condições ambientais do Acre. Este estudo teve o objetivo de avaliar o valor nutritivo e os teores de nitrato e ácido cianídrico (HCN) na forragem dos capins estrela-africana (Cynodon nlemfuensis), tanner-grass (Brachiaria arrecta... ... Repositório: BDPA Ano de publicação: 2009
Associative diazotrophic bacteria from forage grasses in theBrazilian semi-arid region are effective plant growth promoters. The study of plant growth-promoting bacteria (PGPB) can identify outstanding bacteria for crops. For forage grasses adapted to drylands, the selection of PGPB can increase the field performance of pas... ... Repositório: BDPA Ano de publicação: 2019
Intercropping of young grapevines with native grasses for phytoremediation of Cu-contaminated soils. Intercropping may be a strategy for phytoremediation of vineyard soils with high copper (Cu) content. The study aimed to evaluate the contribution of South American native grasses in limiting Cu avail... ... Repositório: BDPA Ano de publicação: 2018
Tillering dynamics in massai grass fertilized with nitrogen and grazed by sheep. To evaluate the tillering dynamics of massai grass under rotational sheep stocking and fertilized with nitrogen (control - 0; 400; 800 and 1200 kg ha-1 year-1), this study was carried out, in a comple... ... Repositório: BDPA Ano de publicação: 2016
Biomass production of Piatã grass (Brachiaria Brizantha cv. Piatã) on different degree days in Brazilian Northeast. Brachiaria brizantha cv. Piatã was released from a Brazilian breeding program of Brachiaria genus to be a new option of forage plant for use in grasslands. This cultivar has been presented interesting... ... Repositório: BDPA Ano de publicação: 2013
Nutritional value of forage peanut (Arachis Pintoi cv. BRS Mandobi) and elephant grass silages. Arachis pintoi, commonly known as forage peanut, is a leguminous plant with good forage yield and nutritional quality adapted to the Brazilian environmental conditions and used in grass/legume pasture... ... Repositório: BDPA Ano de publicação: 2019
Gas exchange, chemical composition and productive characteristics of tropical grasses deferred II: cultivars BRS Paiaguás and BRS Piatã. Abstract: This study aimed to evaluate the physiological parameters, the productive characteristics, structural and chemical composition of Urochloa Brizantha cultivars BRS and BRS Piatã submitted to... ... Repositório: BDPA Ano de publicação: 2021
Climate change and future scenarios for palisade grass production in the state of São Paulo, Brazil. The objective of this work was to analyze future scenarios for palisade grass yield subjected to climate change for the state of São Paulo, Brazil. An empirical crop model was used to estimate yields,... ... Repositório: BDPA Ano de publicação: 2014
Perspectives of grass-legume pastures for sustainable sustainable animal production in the tropics. There is an urgent need for farmers and researchers in the tropics to focus on development of cattle production systems with higher productivity of land and labor in the areas already deforested, as a... ... Repositório: BDPA Ano de publicação: 2004
Moisture control, inoculant and particle size in tropical grass silages. Repositório: BDPA Ano de publicação: 2005
Elephant grass response to amino-acid synthesis inhibitor herbicides. Repositório: BDPA Ano de publicação: 2016
Productivity and nutritional value of tropical grasses in monoculture and intercropping with interseason corn. Abstract: This study aimed to assess productivity and nutritional value of the tropical grasses Brachiaria brizantha cv. Piatã, Xaraés, and Marandu, Panicum maximum cv. Mombaça, and B. ruziziensis cv.... ... Repositório: BDPA Ano de publicação: 2018
Productivity and nutrient export in a maize and forage grasses intercropping under semiarid conditions. Abstract: The aim was to evaluate the productive performance and nutrient export of maize intercropped with drought-tolerant forage grasses. The experimental design was a randomized blocks in a 2x2x2+... ... Repositório: BDPA Ano de publicação: 2023
Gas exchanges, chemical composition and productive characteristics of tropical grasses deferred I: cultivars BRS Massai and BRS Tamani. Abstract: This study aimed to evaluate the physiological parameters, the productive characteristics, structural and chemical composition of Megathyrsus maximus (syn. Panicum maximum) cultivars BRS Mas... ... Repositório: BDPA Ano de publicação: 2022
African star grass response to postemergence herbicides. Cynodon nlemfuensis Vanderyst, commonly called African star grass, is excellent forage in pasture formation and herd feeding. However, little information is available regarding weed management in area... ... Repositório: BDPA Ano de publicação: 2019
Productivity and feed quality performance of napier grass (Cenchrus purpureus) genotypes growing under different soil moisture levels. In the semi-arid and arid environments of Sub-Sharan Africa, forage availability throughout the year is insufficient and highly limited during the dry seasons due to limited precipitation. Thus, the i... ... Repositório: BDPA Ano de publicação: 2022
Perspectives of grass-legume pastures for sustainable animal production in the tropics. Traditionally, livestock has been one of the most important activities in farming systems in the tropics and one of the main sources of income and protein for the poor in developing countries. Nitroge... ... Repositório: BDPA Ano de publicação: 2004

Mostrando 1 - 50 de 1.186 resultados.

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