Controlling plant form through husbandry to minimise lodging in wheat

Berry, Pete; Griffin, J M; Sylvester‐Bradley, R.; Scott, R. K.; Spink, John; Baker, Chris; Clare, R. W.

doi:10.1016/s0378-4290(00)00084-8

Cited by 170 publications

(197 citation statements)

References 27 publications

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“…The major factor associated with lodging sensitivity is stem length (Pinthus 1973, Crook and Ennos 1994, Berry et al 2000. Lodging is often associated with quantity and quality losses in grain yield and evidently increased harvesting and drying expenses (Pinthus 1973).…”

Section: Lodging -Stem Lengthmentioning

confidence: 99%

“…Lodging is often associated with quantity and quality losses in grain yield and evidently increased harvesting and drying expenses (Pinthus 1973). Abundant nitrogen fertilization, in conjunction with high precipitation, favours stem elongation and hence, results in increased risk of lodging (Pinthus 1973, Berry et al 2000. At high latitudes long days and a low angle of incident radiation further promote stem elongation (Smith 1982, Salisbury 1985.…”

Section: Lodging -Stem Lengthmentioning

confidence: 99%

“…Plant height reduction is associated with the reduced elongation of internodes (Stanca et al 1979, Crook and Ennos 1994, Sanvicente et al 1999. The uppermost internodes and peduncle in particular are shortened, resulting in reduced shoot leverage and hence reduced lodging susceptibility (Berry et al 2000).…”

Section: Lodging -Stem Lengthmentioning

confidence: 99%

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Plant growth regulators to manipulate oat stands

Rajala¹

2008

AFSci

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Plant growth regulators (PGRs) are exogenously applied chemicals that alter plant metabolism, cell division, cell enlargement, growth and development by regulating plant hormones or other biological signals. For example, some PGRs regulate stem elongation by inhibiting biosynthesis of gibberellins or through releasing ethylene. PGR effects are widely studied and reported on barley (Hordeum vulgare L.) and wheat (Triticum aestivum L.), whereas there are only a few reports addressing oat (Avena sativa L.). This is likely to be a result of smaller acreage and lower intensity of oat management and production and hence a reduced need for stem shortening by PGRs. However, this is not the case for all cereal producing regions and there exists a need to understand the potential application of PGRs to oat production. This paper represents a review of the potential of PGRs to regulate stem elongation and other biological traits governing plant stand structure and yield components, with special emphasis on oat and its responses to PGRs. Yield improvement requires more heads per unit land area, more grains per head or heavier grains. Of these yield-determining parameters, the number of head bearing tillers and grain numbers per head, compared with grain weight, are more likely to be improved by PGR application. In the absence of lodging, PGR may reduce grain yield due to potential reduction in mean grain weight and/or grain number. Cultivation systems aiming at extensive yields with intensive use of inputs likely benefit from PGR applications more often compared with low or moderate input cultivation, for which cost effectiveness of PGRs is not frequently reached.

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Section: Lodging -Stem Lengthmentioning

confidence: 99%

Section: Lodging -Stem Lengthmentioning

confidence: 99%

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Plant growth regulators to manipulate oat stands

Rajala¹

2008

AFSci

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“…Com o incremento de N, as plantas tendem a apresentar maior desenvolvimento vegetativo e aumento do comprimento dos entrenós. Nessas condições, ocorre maior sombreamento entre plantas, as quais recebem menor quantidade de radiação, o que resulta na modificação das propriedades biofísicas dos colmos e, consequentemente, numa menor resistência ao acamamento (Berry et al, 2000).…”

Section: Introductionunclassified

Redução do acamamento em aveia-branca com uso do regulador de crescimento etil-trinexapac

Hawerroth

Silva

Souza

et al. 2015

Pesq. agropec. bras.

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O objetivo deste trabalho foi avaliar os efeitos da aplicação de concentrações do regulador de crescimento etil-trinexapac na altura de planta, no acamamento e na produtividade de grãos da cultivar de aveia-branca Barbarasul, em diferentes ambientes de cultivo e doses de nitrogênio. Os experimentos foram conduzidos nas safras 2010 e 2011 nos municípios de Capão do Leão e Augusto Pestana, no Estado do Rio Grande do Sul, e nas safras 2010 e 2012 no Município de Lages, no Estado de Santa Catarina. Utilizou-se o delineamento de blocos ao acaso, em arranjo fatorial 4x2x6 (dose de etil-trinexapac, estádio de desenvolvimento da planta e ambiente), com quatro repetições constituídas por parcelas úteis de 3,0 m2. Em cada ambiente, realizou-se adubação nitrogenada com 30 e 90 kg ha-1 de N. Foram avaliados os caracteres altura de planta, percentagem de acamamento e produtividade de grãos. A aplicação do regulador de crescimento etil-trinexapac nas doses de 100 a 150 g i.a. ha-1 em plantas de aveia-branca 'Barbarasul', nos estádios E31 e E32, reduz a altura das plantas e a percentagem de acamamento, sem prejuízos à produtividade de grãos. A intensidade da redução do acamamento depende das características do ambiente de cultivo.

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“…In the present study, important stand structure parameters were determined, their dependence on experimental factors ascertained, and their relationships with lodging examined. The morphological, physical, and chemical characteristics of stems have been studied by a number of authors in connection with wheat and barley varieties' lodging resistance (Zuber et al, 1999;Berry et al, 2000;Jeżowski et al, 2000). Various methods have been used to artificially induce lodging, such as dragging weights across the land (Navabi et al, 2006) and using an aerodynamic tunnel .…”

Section: Resultsmentioning

confidence: 99%

Spring barley stand structure as an indicator of lodging risk

Matušinsky¹,

Svobodová²,

Míša³

2015

Zemdirbyste-Agriculture

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Field experiments were performed in Kroměříž, Czech Republic in 2012-2014 and evaluated for spring barley comprising treatments which different sowing rates and nitrogen fertilization rates. The objective of this study was to determine parameters of stand structure in early (BBCH 39) growth stages of barley that would enable evaluation of lodging risk. Lodging was significantly affected by both year and nitrogen fertilization rate. Increased nitrogen fertilization rates demonstrably increased lodging. Higher fertilization rates manifested in increased tiller biomass weight, greater plant height, and smaller roots. Similarly, the protein content of harvested grain was strongly affected by year and nitrogen application rate. Higher fertilization rates also resulted in grain with higher protein content. Sowing density did not affect either lodging level or protein content. Yields were affected only by year. Increased tiller biomass weight and increased plant height during early growth stages are significant indicators of lodging risk. Correlation between lodging and tiller biomass and plant height was higher than 0.5 and statistically significant (P = 0.000).

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Controlling plant form through husbandry to minimise lodging in wheat

Cited by 170 publications

References 27 publications

Plant growth regulators to manipulate oat stands

Plant growth regulators to manipulate oat stands

Redução do acamamento em aveia-branca com uso do regulador de crescimento etil-trinexapac

Spring barley stand structure as an indicator of lodging risk

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