Desenvolvimento e validação de método de análise de glifosato em grãos de soja

Abreu, Adley Bergson Gonçalves de; Matta, Marcia Helena de Rizzo da; Montagner, Émerson

doi:10.1590/s0100-40422008000100002

Cited by 14 publications

(7 citation statements)

References 9 publications

(11 reference statements)

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“…and makes the plants resistant to the action of glyphosate (ABREU; MATTA; MONTAGNER, 2008). According to Lima et al (2011) the technology that has provided the greatest impact on weed management in the last 10 years has been the introduction of varieties which are resistant to herbicides.…”

Section: Introductionmentioning

confidence: 99%

Multivariate approach in the selection of superior soybean progeny which carry the RR gene

Dallastra¹,

Unêda-Trevisoli²,

Ferraudo³

et al. 2014

Rev. Ciênc. Agron.

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-Efficiency in the use of genetic variability, whether existing or created, increases when properly explored and analysed. Incorporation of biotechnology into breeding programs has been the general practice. The challenge for the researcher is the constant development of new and improved cultivars. The aim of this experiment was to select progenies with superior characteristics, whether or not carriers of the RR gene, derived from bi-parental crosses in the soybean, with the help of multivariate techniques. The experiment was carried out in a family-type experimental design, including controls, during the agricultural year 2010/2011 and 2011/2012 in Jaboticabal in the Brazilian State of São Paulo. From the F 3 generation, phenotypically superior plants were selected, which were evaluated for the following traits: number of days to flowering; number of days to maturity; height of first pod insertion; plant height at maturity; lodging; agronomic value; number of branches; number of pods per plant; 100-seed weight; number of seeds per plant; grain yield per plant. Given the results, it appears possible to select superior progeny by principal component analysis. Cluster analysis using the K-means method links progeny according to the most important characteristics in each group and identifies, by the Ward method and by means of a dendrogram, the structure of similarity and divergence between selected progeny. Both methods are effective in aiding progeny selection.

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Section: Introductionmentioning

confidence: 99%

Multivariate approach in the selection of superior soybean progeny which carry the RR gene

Dallastra¹,

Unêda-Trevisoli²,

Ferraudo³

et al. 2014

Rev. Ciênc. Agron.

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“…Malatesta et al [31] observed, by ultrastructural analysis and immunocytochemistry, changes in the pancreas, testicules and liver of rats subjected to RR soy intake and there is a possibility that such effects related to the accumulation of herbicide present in the resistant soybean [32]. This demonstrates a possible health risk that uninformed CF users may be vulnerable.…”

Section: Resultsmentioning

confidence: 99%

The likely impact of genetically modified soybeans in the Brazilian collective feeding service

Couto¹,

Coelho²,

Ferreira³

et al. 2013

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Objective: To expose the likely impact of genetically modified foods in Collective Feeding. Methods: This was a case study conducted on a steel company (SC) in Rio de Janeiro State. The likely impact recognition began with the preparation of a soy food products' list. Then, we verified these products' frequency on the Food and Nutrition Unit (FNU) menu from the SC, outlining the offer profile. We calculated odds ratios and binomial distribution probability for assessing exposure to soy that may be transgenic. Food frequency questionnaire (FFQ) regarding soy products was applied. The convergence of daily products' relative frequency of this population and the population from a reference study about FFQ validation in Rio de Janeiro was verified. Confrontation took place between the classification of foods by the consumers' likely exposure to soy and the percentage deviation between observed relative frequency of products' intake offered on the FNU and on the reference study. Results: A list of 51 products were created and 16 of them integrated the menu, e.g. flour, chicken, sausage, maize, instant pudding, bologna, hot dogs and peanuts. Food usually consumed by FNU users and concomitantly consumed in reference study were cookies, flour, spaghetti, bread, cake, instant pudding, sausage and hot dogs. By the classification and percentage deviations results, cookies, breads and pasta were the "villains" of soy's susceptibility. Conclusion: It was possible to show the likely impact of genetically modified foods in Collective Feeding, confirming that these consumers were exposed to soybeans that may be transgenic.

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“…Ao final do experimento foi determinada a concentração de glyphosate e seu metabólito AMPA na solução hidropônica, segundo método descrito por Abreu et al (2008), empregando GC-MS. O ensaio foi realizado sob o delineamento inteiramente casualizado com três repetições, com as médias comparadas pelo teste t de Student a 5% de probabilidade.…”

Section: Methodsunclassified

Avaliação do uso de glyphosate em soja geneticamente modificada e sua relação com o ácido chiquímico

Franco¹,

Almeida²,

Cerdeira³

et al. 2012

Planta daninha

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-Glyphosate [N-(phosphonomethyl) glycine]-resistant crops (GRC) are the transgenic crops most extensively grown worldwide, with soybean being the major GRC. It is important to evaluate the impact of glyphosate on transgenic soybean and its relationship with shikimic acid. A field experiment was conducted at Engenheiro Coelho-SP, Brazil, during the agricultural year 2007/2008 to evaluate the effect of glyphosate on the growth, development, and seed quality of GRC soybean variety BRS Valiosa RR. A randomized block design was used with four replications. Glyphosate was applied at 720 and 960 g a.e. ha -1 (acid equivalent) and in sequence at the doses 720/720, 960/720, and 960/720/720 g a.e. ha -1 (acid equivalent). To evaluate transfer from GRC soybean to non GRC soybean cultivated in nutrient solution, a pot experiment was conducted at

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Desenvolvimento e validação de método de análise de glifosato em grãos de soja

Cited by 14 publications

References 9 publications

Multivariate approach in the selection of superior soybean progeny which carry the RR gene

Multivariate approach in the selection of superior soybean progeny which carry the RR gene

The likely impact of genetically modified soybeans in the Brazilian collective feeding service

Avaliação do uso de glyphosate em soja geneticamente modificada e sua relação com o ácido chiquímico

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