Efecto de brasinoesteroides en híbridos de maíz androestériles y fértiles

Torres-Ruiz, Baltazar Leovigildo; Espinosa-Calderón, Alejandro; Mendoza-Rodríguez, Moisés; O, José Luis Rodríguez de la; Garza, Martha Blanca Irízar; Ruiz, Jaime Sahagún-Castellanos

doi:10.15517/am.v18i2.5045

Cited by 5 publications

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“…Relatively low number of authors have simultaneously examined the effect of exogenous application of BRs on plants of more than one genotype of the same species. These that have done so, have often found that the response of individual genotypes can be markedly different (Hnilička et al 2007;Torres-Ruiz et al 2007). This applied particularly in cases BRs were applied to plants stressed by some unfavourable environmental factor and the susceptible and tolerant genotypes were compared (Kang et al 2007;Shahbaz et al 2008;Vardhini and Rao 2003).…”

Section: Discussionmentioning

confidence: 99%

“…The length of plant exposure to BRs, the frequency of application, the application mode and the type and dose of BRs can also substantially affect the growth/yield promoting activity of these compounds (Fariduddin et al 2003(Fariduddin et al , 2008Khripach et al 2003;Núñez et al 2003;Ramraj et al 1997;Sasse 2003;Vlašánková et al 2009). The degree of BRs influence on plants depends also on plant species and genotype (Ali et al 2008b;Hnilička et al 2007; Kang et al 2007;Khripach et al 2003;Núñez et al 2003;Ramraj et al 1997;Sairam 1994b;Shahbaz et al 2008;Torres-Ruiz et al 2007;Vardhini and Rao 2003;Vlašánková et al 2009;Zhao and Chen 2003).…”

Section: Introductionmentioning

confidence: 99%

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The effect of brassinosteroids on the morphology, development and yield of field-grown maize

et al. 2010

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The response of two field-grown inbred lines of maize (Zea mays L.) and their F1 hybrid to the application of 10 -8 -10 -14 M solutions of 24-epibrassinolide or synthetic androstane analogue of castasterone in V3/4 and V6/ 7 developmental stages was followed during the vegetative and early reproductive phases of plant development. Brassinosteroids (BRs) significantly affected (either positively or negatively, depending on the genotype and the developmental stage they were applied) the height of plants during the early weeks after their application, but not the final plant height nor the number of leaves. Spraying of plants with BRs in V3/4 developmental stage usually also increased the length of the 7th to 10th leaf, whereas the application in V6/7 developmental stage had the opposite effect. The beginning of the reproductive phase of plant development and the course of flowering was strongly influenced by the application of BRs. Treatment of plants in V3/4 stage delayed and treatment of plants in V6/7 stage advanced the dates of anthesis and silking, regardless of the type of BR used, its concentration or plant genotype. The influence of BRs on the development of the secondary ear was the least pronounced in the F1 hybrid; in both inbred lines it strongly depended on the concentrations of BRs used. Various yield parameters were also affected by treatment of plants with BRs, but this effect depended on the developmental stage during which the application of BRs occured, the plant genotype, the type of BR and its concentration.

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Section: Discussionmentioning

confidence: 99%

Section: Introductionmentioning

confidence: 99%

The effect of brassinosteroids on the morphology, development and yield of field-grown maize

et al. 2010

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“…The highest values were achieved in this indicator of 8.083 t ha -1 , relative to the control (3.858 t ha -1 ) and the effective dose was 30 g ha -1 . [20]. Recent genetic studies have identified some of the molecular components located in the signaling cascade of brassinosteroids.…”

Section: Resultsmentioning

confidence: 99%

Synergistic Effect of Low Doses of X-rays and Biobras-16 on Yield and Its Components in Tomato (<i>Solanum lycopersicum</i> L.) Plants

Serrano¹

2015

BIO

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Abstract:In Cuba the low tomato crop yield lead to the search for new alternatives to sustainably increase yields. Therefore, the aim of this study was to evaluate the synergistic effect of low doses of X-rays and Biobras-16 on the increased yield and its components in tomato plants as well as select the optimal combination for use in agriculture. Fresh seeds of the variety of tomato var. Vyta, were exposed to single and combined treatment with X-ray dose of 5, 10, 15, 20 and 25 Gy and Biobras-16 in concentrations of 0.5; 1.0; 1.5 and 2.0 mg.L -1 . The experiments were conducted during the months of October to January 2007-2010. The results showed that the combination of 20 and 25 Gy dose of X-rays and 1.5 and 2.0 mg.L -1 Biobras-16 caused a stimulating effect on yield and its components in tomato plants. Also, in this investigation was determined that the optimal treatment to achieve a synergistic effect on yield per plant was 30 Gy + 2.0 mg.L -1 , which induced increases in yield and its components. Our results suggested that low doses of x-rays and Biobras-16 have the potential to improve crop productivity of tomato plants through the improvement of plant yield and yield components.

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“…Whereas in the male-sterile hybrid trilinear no significant differences for the variables evaluated were presented. However, in the single cross hybrids fertile and male sterile version brassinosteroid forward male and female flowering (Torres et al, 2007).…”

Section: Importance Of Brassinosteroids In Agriculturementioning

confidence: 99%

“…En cambio en los híbridos trilineales androestériles no se presentaron diferencias significativas para las variables evaluadas. Sin embargo, en los híbridos de cruza simple en versión fértil y androestéril el brasinoesteroide adelantó la floración masculina y femenina (Torres et al, 2007).…”

Section: Importance Of Brassinosteroids In Agricultureunclassified

Brasinoesteroides en la agricultura. II

Silva¹,

García-Martínez²

2017

Remexca

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ResumenLos brasinoesteroides asumen un papel crítico durante varios procesos de crecimiento de las plantas, incluyendo el control, división y elongación celular. En esta segunda parte, se discuten diferentes usos y aplicaciones en la agricultura y desarrollo de las plantas.Palabras clave: agricultura, brasinoesteroides, reguladores del crecimiento vegetal. IntroducciónPara determinar la actividad de los brasinoesteroides se emplearon bioensayos específicos como el de la inclinación de la lámina de arroz (Oriza sativa L.) y el del segundo entrenudo del frijol (Phaseolus vulgaris L.). Existen evidencias de que estos compuestos, al igual que las giberelinas y las auxinas, están ampliamente distribuidos en el reino vegetal, en las angiospermas como en las gimnospermas. Los brasinoesteroides se han encontrado principalmente en polen, hojas, yemas, flores y semillas en proporciones y formas diferentes (Seeta et al., 2002; Bajguz y Piotrowska-Niczyporuk, 2014). Los brasinoesteroides y sus análogos son efectivos en las plantas, pero la respuesta de los cultivos depende del tipo de brasinoesteroides que se utilice, la concentración del AbstractThe brassinosteroids assume a critical role during several processes of growth of the plants, including the control, division and cell elongation. To this second part, they discuss different uses and applications in agriculture and development of the plants.

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Efecto de brasinoesteroides en híbridos de maíz androestériles y fértiles

Cited by 5 publications

References 0 publications

The effect of brassinosteroids on the morphology, development and yield of field-grown maize

The effect of brassinosteroids on the morphology, development and yield of field-grown maize

Synergistic Effect of Low Doses of X-rays and Biobras-16 on Yield and Its Components in Tomato (<i>Solanum lycopersicum</i> L.) Plants

Brasinoesteroides en la agricultura. II

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Efecto de brasinoesteroides en híbridos de maíz androestériles y fértiles

Cited by 5 publications

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The effect of brassinosteroids on the morphology, development and yield of field-grown maize

The effect of brassinosteroids on the morphology, development and yield of field-grown maize

Synergistic Effect of Low Doses of X-rays and Biobras-16 on Yield and Its Components in Tomato (&lt;i&gt;Solanum lycopersicum&lt;/i&gt; L.) Plants

Brasinoesteroides en la agricultura. II

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Synergistic Effect of Low Doses of X-rays and Biobras-16 on Yield and Its Components in Tomato (<i>Solanum lycopersicum</i> L.) Plants