Relevant bibliographies by topics / Pasture plants Physiology

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  1. Journal articles
  2. Dissertations / Theses
  3. Book chapters

Academic literature on the topic 'Pasture plants Physiology'

Author: Grafiati
Published: 4 June 2021
Last updated: 1 February 2022

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Journal articles on the topic "Pasture plants Physiology"

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Hewitt, George B., and Jerome A. Onsager. "EFFECTS OF SAGEBRUSH REMOVAL AND LEGUME INTERSEEDING ON RANGELAND GRASSHOPPER POPULATIONS (ORTHOPTERA: ACRIDIDAE)." Canadian Entomologist 120, no. 8-9 (September 1988): 753–58. http://dx.doi.org/10.4039/ent120753-8.

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AbstractGrasshopper density and species composition were determined from 1982 to 1985 in four 75-ha pastures in the northern mixed prairie region near Miles City, MT. Treatment in two pastures consisted of sagebrush removal and interseeding alfalfa and cicer milkvetch. Two pastures were not treated. The treated pastures were grazed only half as long as the untreated pastures but with twice the number of steers. Forage yield decreased in all pastures from 1983 to 1985 because of below-average precipitation and grasshopper density increases. In one pasture, 10% of the legume seedlings were destr
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García-Favre, Javier, Ignacio F. López, Lydia M. Cranston, Daniel J. Donaghy, and Peter D. Kemp. "The Growth Response of Pasture Brome (Bromus valdivianus Phil.) to Defoliation Frequency under Two Soil-Water Restriction Levels." Agronomy 11, no. 2 (February 8, 2021): 300. http://dx.doi.org/10.3390/agronomy11020300.

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Pasture brome (Bromus valdivianus Phil.) has the potential to increase current levels of herbage production and pasture persistence in New Zealand dryland, well-drained soils. However, there is little literature on the effect of defoliation management on growth of this grass under contrasting soil-water restriction levels. The growth physiology and performance of pasture brome were evaluated in pots in a glasshouse. Defoliation frequency (DF) treatments were applied based on three different accumulated growing degree-days (AGDD): 250, 500 and 1000 AGDD (high, medium, and low DF). At end of the
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Moro, Adriana L., Ana Claudia Pacheco, and Edemar Moro. "Physiological and Biochemical Alterations of Urocholoa brizantha Submitted to Water Deficit and Silicate Fertilization." Journal of Agricultural Science 10, no. 8 (July 10, 2018): 166. http://dx.doi.org/10.5539/jas.v10n8p166.

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The correction of soil acidity and the evaluation of the effects of correctives used are not frequent practices in pasture areas. The benefits of silicon on the physiology and biochemistry of pastures is a subject that has not been explored in great detail. The objective of this study was to evaluate the performance of Urochloa brizantha plants (cultivar Xaraés) submited to condictions of water deficity and silicate fertilization through physiological and biochemical parameters. The experiment was carried out in pots under greenhouse conditions..The experimental design was randomized blocks, i
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Premazzi, Linda Monica, Francisco Antonio Monteiro, and José Eduardo Corrente. "Tillering of Tifton 85 bermudagrass in response to nitrogen rates and time of application after cutting." Scientia Agricola 60, no. 3 (2003): 565–71. http://dx.doi.org/10.1590/s0103-90162003000300023.

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Nitrogen fertilization is determinant for pasture productivity, as it results in increasing forage yield and is associated with the growth physiology of forage plants. An experiment was carried out in a greenhouse to evaluate the effects of nitrogen rates and times of application after cutting on Tifton 85 Bermuda grass (Cynodon spp.) tillering. Plants were grown in a Typic Quartzipsamment soil and nitrogen rates were 0, 80, 160 and 240 mg kg-1 of soil; times of application were immediately after and seven days after cutting. A 4 x 2 factorial experiment was set in a completely randomized bloc
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Perera, Cullen, and Eckard. "Growth and Physiological Responses of Temperate Pasture Species to Consecutive Heat and Drought Stresses." Plants 8, no. 7 (July 16, 2019): 227. http://dx.doi.org/10.3390/plants8070227.

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Heat and drought are two major limiting factors for perennial pasture production in south eastern Australia. Although previous studies have focused on the effects of prolonged heat and drought stresses on pasture growth and physiology, the effects of short term recurring combined heat and drought stresses and the recovery from them have not been studied in detail. A controlled environment experiment was conducted to investigate the growth and physiological responses of perennial ryegrass (Lolium perenne L.), cocksfoot (Dactylis glomerata L.), tall fescue (Festuca arundinacea Schreb.) and chico
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Chapman, D. F., J. M. Lee, and G. C. Waghorn. "Interaction between plant physiology and pasture feeding value: a review." Crop and Pasture Science 65, no. 8 (2014): 721. http://dx.doi.org/10.1071/cp13379.

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Plant–animal interactions impact on all elements of pasture and animal performance in grazing systems. The quality of pastures for animals can be described in terms of feeding value (FV), which is a combination of feed nutritive value (NV) and voluntary intake. There are numerous complex interactions between plant physiology and pasture FV and NV. This review focuses on these interactions in four key areas (plant growth strategies, phenological development, pasture regrowth, and response to environmental stress), extracting key principles and illustrating how plant breeding or management may b
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Casal, Jorge J., and Sureshkumar Balasubramanian. "Thermomorphogenesis." Annual Review of Plant Biology 70, no. 1 (April 29, 2019): 321–46. http://dx.doi.org/10.1146/annurev-arplant-050718-095919.

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When exposed to warmer, nonstressful average temperatures, some plant organs grow and develop at a faster rate without affecting their final dimensions. Other plant organs show specific changes in morphology or development in a response termed thermomorphogenesis. Selected coding and noncoding RNA, chromatin features, alternative splicing variants, and signaling proteins change their abundance, localization, and/or intrinsic activity to mediate thermomorphogenesis. Temperature, light, and circadian clock cues are integrated to impinge on the level or signaling of hormones such as auxin, brassi
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Martinez, Carlos Alberto, Eduardo Augusto Dias de Oliveira, Tathyana Rachel Palo Mello, and Ana Lilia Alzate-Marin. "Respostas das plantas ao incremento atmosférico de dióxido de carbono e da temperatura (Plants responses to increase in atmospheric carbon dioxide and temperature)." Revista Brasileira de Geografia Física 8 (December 15, 2015): 635. http://dx.doi.org/10.26848/rbgf.v8.0.p635-650.

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Existem fortes evidencias da ocorrência de mudanças climáticas globais por causa do aumento de gases de efeito estufa, as quais provavelmente serão cada vez mais severas no futuro. Para enfrentar esse problema, as plantas, serão confrontadas com opções limitadas para evitar a perda de seu hábitat ou extinção: adaptar-se, migrar ou morrer. Em geral, o aumento da concentração atmosférica do CO2 atuando como “fertilizante” para a fotossíntese poderia aumentar o crescimento e a produção de biomassa das plantas. No entanto, o aumento da temperatura global poderia afetar negativamente a fisiologia e
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Kemp, PD, and GJ Blair. "Phosphorus efficiency in pasture species. VIII. Ontogeny, growth, P acquisition and P utilization of Italian ryegrass and phalaris under P deficient and P sufficient conditions." Australian Journal of Agricultural Research 45, no. 3 (1994): 669. http://dx.doi.org/10.1071/ar9940669.

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The P efficiency of Italian ryegrass (Lolium multiflorum Lamk. cv Grasslands Tama) and phalaris (Phalaris aquatica L. cv Sirosa) was compared on both a temporal and ontogenetic basis. As ontogeny and growth are interrelated, such a comparison allowed the growth and physiological responses to P level of the two species to be separated from responses due to the species being at different ontogenetic stages at the time of comparison. Plants were grown from seed through to anthesis under P deficient and P sufficient conditions in soil in a glasshouse. The ontogenies of Italian ryegrass and phalari
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Silveira Júnior, Otacilio, Antonio Clementino dos Santos, Marcos Odilon Dias Rodrigues, Márcio Odilon Dias Rodrigues, and Nayara Martins Alencar. "Productive efficiency of mombasa grass in silvopastoral system under pasture deferment and nitrogen fertilizer." Semina: Ciências Agrárias 38, no. 5 (October 3, 2017): 3307. http://dx.doi.org/10.5433/1679-0359.2017v38n5p3307.

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This study aimed to evaluate the efficiency of Mombasa grass in a silvopastoral system and submitted to different nitrogen fertilization rates and pasture management strategies. Treatments consisted of four nitrogen fertilizer doses (0.0, 125.0, 187.5, and 250.0 kg N ha-1 year-1) and three cutting heights (70, 90, and 105 cm). Plant agronomic and physiologic efficiencies, as well as nitrogen use and accumulation by plants, forage production, and increments of forage production, were verified for the application of nitrogen fertilizer. Nitrogen fertilization was only efficient for grasses cut a
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Dissertations / Theses on the topic "Pasture plants Physiology"

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Mello, Alexandre Carneiro Leão de. "Respostas morfofisiológicas do capim Tanzânia (Panicum maximum Jacq. cv. Tanzânia) irrigado à intensidade de desfolha sob lotação rotacionada." Universidade de São Paulo, 2002. http://www.teses.usp.br/teses/disponiveis/11/11139/tde-25102002-095854/.

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Os trabalhos de pesquisa não têm dado ênfase à importância das características morfológicas e fisiológicas relacionadas com a produtividade das plantas forrageiras tropicais sob pastejo. Existe a necessidade de se saber como o dossel forrageiro responde a regimes de desfolha, em termos de morfologia de plantas, estrutura do pasto, arquitetura do dossel e de processos fisiológicos como a fotossíntese, para que estratégias ótimas de colheita via pastejo sejam identificadas. O objetivo deste trabalho foi quantificar respostas morfológicas e fisiológicas de dosséis de capim Tanzânia (Panicum maxim
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Faria, Ana Flávia Gouvéia de. "Morfogênese e análise de crescimento de três capins tropicais em resposta à frequência de desfolhação." Universidade de São Paulo, 2014. http://www.teses.usp.br/teses/disponiveis/11/11139/tde-03122014-143934/.

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Para que o potencial de cultivares comumente usados como o Marandu {Brachiaria brizantha (Hochst. ex A. Rich.) RD Webster [syn. Urochloa brizantha (A. Rich.) Stapf]; CIAT 6297}, com alta produção como o Tifton 85 (Cynodon spp.), e recentemente lançados como o Mulato II (Convert HD 364®) (Brachiaria híbrida CIAT 36061) possa ser racionalmente e intensivamente explorado é necessário entender como as frequências de corte afetam as respostas produtivas, por meio de inferências fisiológicas. O objetivo foi avaliar e descrever o efeito de duas frequências (28 e 42 dias) sobre as características de a
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Gonçalves, Alexandre de Campos. "Características morfogênicas e padrões de desfolhação em pastos de capim marandu submetidos a regimes de lotação contínua." Universidade de São Paulo, 2003. http://www.teses.usp.br/teses/disponiveis/11/11139/tde-08082003-140411/.

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A carência de conhecimentos específicos sobre a ecofisiologia das plantas forrageiras de clima tropical limita a adequação de estratégias de manejo do pastejo que possibilitem o melhor aproveitamento possível do seu potencial de produção de forragem. Nesse contexto, o presente experimento, conduzido no Departamento de Zootecnia da USP/ESALQ, em Piracicaba, SP, de novembro de 2001 a fevereiro de 2002, teve como objetivo avaliar as características morfogênicas e os padrões de desfolhação em pastagens de Brachiaria brizantha (Hochst ex A. Rich) cultivar Marandu. Os tratamentos corresponder
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Detomini, Euro Roberto. "Modelagem da produtividade potencial de Brachiaria brizantha (variedades cultivadas Marandu e Xaraés." Universidade de São Paulo, 2004. http://www.teses.usp.br/teses/disponiveis/11/11136/tde-30082004-172539/.

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Com o objetivo de propor um modelo para estimar a produtividade potencial (pastagem manejada sob condições ótimas e de forma intensiva) de fitomassa seca total de Brachiaria brizantha, variedades cultivadas Marandu e Xaraés, em função de radiação solar e temperatura do ar, bem como: (i) obter uma curva de resposta que represente a produtividade potencial de fitomassa seca de parte aérea e do sistema radicular em relação ao desenvolvimento relativo; (ii) caracterizar a produtividade de fitomassa seca de hastes, folhas e material senescente de parte aérea; (iii) identificar o momento adequado pa
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(7371827), Miguel A. Lopez. "Developing the Yield Equation for Plant Breeding Purposes in Soybean (Glycine max L. Merr)." Thesis, 2019.

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<p>Dissecting the soybean grain yield (GY) to approach it as a sum of its associated processes seems a viable approach to explore this trait considering its complex multigenic nature. Monteith (1972, 1977) first defined potential yield as the result of three physiological efficiencies: light interception (Ei), radiation use efficiency (RUE) and harvest index (HI). Though this rationality is not recent, few works assessing these three efficiencies as strategies to improve crops have been carried out. This thesis approaches yield from the perspective of Ei, RUE, and HI to better understand yield
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Sun, Xuezhao. "Structure, composition and degradation of the cell walls of forage chicory (Cichorium intybus L.) leaves : a thesis presented in partial fulfilment of the requirements for the degree of Doctor of Philosophy in Nutritional Science at Massey University, Palmerston North, New Zealand." 2006. http://hdl.handle.net/10179/1498.

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Chicory (Cichorium intybus L.), a valuable forage for ruminant livestock in temperate regions, appears highly degradable in the rumen. Fundamental reasons for the rapid breakdown of chicory cell walls in the rumen were studied. Cell walls were isolated from laminae and midribs of chicory (cv. Grasslands Puna II) leaves. The walls, which, except for the walls of xylem tracheary elements in vascular bundles, were non-lignified, were fractionated progressively with 50 mM CDTA, 50 mM Na2CO3, 1 M KOH, 4 M KOH, 4 M KOH + 3.5% H3BO3, and hot water. The polysaccharides were similar to those in nonlign
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Burggraaf, Victoria G. "The feeding value for dairy cows and the agronomic performance of white clover (Trifolium repens L.) selected for increased floral condensed tannin : a thesis presented in partial fulfilment of the requirements for the degree of Doctor of Philosophy in Plant Science at Massey University, Palmerston North, New Zealand." 2005. http://hdl.handle.net/10179/1531.

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Content removed due to copyright restrictions: Burggraaf, V.T., Kemp, P.D., Thom, E.R., Waghorn,G.C., Woodfield, D.R. & Woodward, S.L. (2004) Performance of dairy cows grazing white clover selected for increased floral condensed tannin. Preliminary report from experiments presented in Chapter 4 published in the 2004 Proceedings of the New Zealand Grassland Association.<br>Legumes containing 20 to 40 g of condensed tannin (CT) per kg of dry matter (DM) can improve dairy cow milk production by reducing ruminal protein degradation to ammonia and preventing bloat. White clover (Triflium repens L.)
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(8797199), Blake A. Russell. "Trait Identification to Improve Yield and Nitrogen Use Efficiency in Wheat." Thesis, 2020.

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<p>Wheat is a major source of calories and protein for humans worldwide. Wheat is the most widely grown crop, with cultivation areas and production systems on every continent. The cultivated land area is vast because of its importance and adaptability to various environmental conditions. Global wheat production has not kept up with the growing population, provoking the need to develop new methods and techniques to increase genetic gains. The first research chapter of this Ph.D. dissertation involves performing genome-wide association studies (GWAS) to identify and examine transferability of ma
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Book chapters on the topic "Pasture plants Physiology"

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McCloud, Darell E. "Forage Plant Physiology in the Improvement of Pastures." In Forage Plant Physiology and Soil-Range Relationships, 121–31. Madison, WI, USA: American Society of Agronomy, 2015. http://dx.doi.org/10.2134/asaspecpub5.c8.

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