Competitive Aspects of the Grass-Legume Association

Haynes, R. J.

doi:10.1016/s0065-2113(08)60168-6

Cited by 329 publications

(242 citation statements)

References 104 publications

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“…The higher N yield and lower enrichment of mycorrhizal than non-mycorrhizal clover can be explained by AMF enhancing N 2 -®xation (Hayman, Total 328 273 281 415 757 5 358 610 387 777 1360 15 420 468 471 840 1258 60 368 392 269 497 1035 None 505 448 469 622 1310 Grass Total 1478 463 705 268 737 5 518 540 456 168 448 15 723 463 705 268 737 60 930 447 534 285 715 None 888 448 713 297 1987). The higher infection rate of white clover roots than those of grass supports the proposition that clover roots are more mycotrophic than grass roots (Haynes, 1980). Taking the 5 lm barrier as a base on which to judge transfer of N in other treatments, about 30% more N was transferred in the 60 lm than the 5 lm treatment.…”

Section: Discussionsupporting

confidence: 56%

The role of arbuscular mycorrhizal fungi in the transfer of nutrients between white clover and perennial ryegrass

2001

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(2001). The role of arbuscular mycorrhizal fungi in the transfer of nutrients between white clover and perennial ryegrass. Chemosphere, 42, 153-159. Published in: ChemosphereQueen's University Belfast -Research Portal: Link to publication record in Queen's University Belfast Research Portal General rights Copyright for the publications made accessible via the Queen's University Belfast Research Portal is retained by the author(s) and / or other copyright owners and it is a condition of accessing these publications that users recognise and abide by the legal requirements associated with these rights. AbstractA glasshouse experiment was conducted in which 15 N was used as a tracer applied as ( 15 NH 4 ) 2 SO 4 to donor plants of white clover and perennial ryegrass. Nitrogen transfer via hyphae of arbuscular mycorrhizal fungi (AMF) or by other routes was studied by separating the root systems of the two plant species, as donors and receivers, when growing in the same pot, with selective mesh barriers of varying pore sizes in the presence and absence of AMF. Inoculation with AMF increased DM production and nitrogen (N) yield of clover plants. Transfer of 15 N occurred between white clover and grass plants but was independent of AMF. Pore size of the mesh barriers controlled the degree of 15 N enrichment in the grass, suggesting that transfer was mediated by mass¯ow and/or di usion. Additional experiments showed that grass roots could pass through pores of 60-lm diameter, and hyphal links could not be detected by autoradiography, thus supporting the conclusions of the tracer experiment. Ó

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Section: Discussionsupporting

confidence: 56%

The role of arbuscular mycorrhizal fungi in the transfer of nutrients between white clover and perennial ryegrass

2001

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“…The competitive abilities of component crops can be defined in terms of aggressivity, relative crowding coefficient (K) and competitive ratio (Bhatti et al 2006;Wahla et al 2009). In general, non-legume crop is considered a suppressing crop in annual legume/non-legume intercrop system (Haynes 1980;Wahla et al 2009), for example, soybean/ wheat (Li et al 2001), peanut/maize (Inal et al 2007) and faba bean/barley (Strydhorst et al 2008).…”

Section: Aggressivitymentioning

confidence: 99%

Intercropping patterns and different farming systems affect the yield and yield components of safflower and bitter vetch

Jalilian

Najafabadi

Zardashti

2017

Journal of Plant Interactions

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This factorial field experiment was done based on a randomized complete block design in Urmia University, Iran, in 2013 and was repeated in 2014. Treatments included two farming systems (high input and organic) and different intercropping patterns that alternated bitter vetch (Vicia ervilia L.) and safflower (Carthamus tinctorius L.) with row ratios of 2:2, 3:2, 4:2 and 5:2. Sole cropping of bitter vetch and safflower was used as the control. In both years, the 2:2 intercropping pattern had biomass yield advantages compared to sole cropping and the other intercropping ratios, based on greater land equivalent ratio values. Safflower had higher relative crowding coefficients, competitive ratio (CR) and aggressivity (A) values than bitter vetch. High-input farming was more effective than the organic system in both years. Safflower was the superior competitor when grown with bitter vetch, and its productivity dominated the total biomass yields. Thus, intercropping of safflower with bitter vetch has the potential to improve performance with high land-use efficiency.ARTICLE HISTORY

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“…A maior área foliar encontrada nas plantas oriundas do tratamento de 45 g L -1 concorda com os resultados encontrados por Riquelme et al (1991), na Argentina, em plântulas de morangueiro. O índice de área foliar também é uma caracterís-tica, entre outras, utilizado para caracterizar a cobertura vegetal formada por uma população de plantas (Thomas, 1980) e para o estudo da penetração da luz na planta (Haynes, 1980). Cerca de 90% da matéria seca acumulada pelas plantas, ao longo do seu crescimento, resultam da atividade fotossintética e o restante depende da absorção de minerais do meio (Benincasa, 1988).…”

Section: Resultsunclassified

Avaliação do crescimento de plantas de morangueiro, durante a aclimatização ex vitro

et al. 2000

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A fim de otimizar a micropropagação de morangueiro cv Campinas, reduzindo as perdas durante a aclimatização, foi realizado este trabalho na Universidade Federal do Rio Grande do Sul. O objetivo foi correlacionar a presença de sacarose no tecido vegetal com a produção de biomassa, na aclimatização. As plântulas desenvolvidas in vitro, após permanecerem três semanas na etapa de enraizamento, em quatro concentrações de sacarose (15, 30, 45 e 60 g L-1), foram transplantadas para bandejas de isopor de 72 células. O delineamento experimental utilizado foi o de blocos casualizados com cinco repetições. Cada parcela constituiu-se de 36 mudas, totalizando 720 plantas. Foram avaliadas as taxas de sobreviventes (%) e de crescimento (mg semana-1), área foliar (cm²), massa seca da parte aérea (mg), área foliar específica (cm² mg-1), razão de massa foliar (mg mg-1) e razão da área foliar (cm² mg mg-1). Estabeleceu - se a dosagem de 45g L-1 de sacarose em meio MS para o cultivo de morangueiro cv Campinas, como a melhor concentração para a produção de biomassa ex vitro. Também foi verificado que essas mudas necessitaram de três a quatro semanas para se adaptarem às novas condições ambientais, e somente após, retomaram o crescimento.

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Competitive Aspects of the Grass-Legume Association

Cited by 329 publications

References 104 publications

The role of arbuscular mycorrhizal fungi in the transfer of nutrients between white clover and perennial ryegrass

The role of arbuscular mycorrhizal fungi in the transfer of nutrients between white clover and perennial ryegrass

Intercropping patterns and different farming systems affect the yield and yield components of safflower and bitter vetch

Avaliação do crescimento de plantas de morangueiro, durante a aclimatização ex vitro

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