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Morphological attributes and production components of potato cv. Baronesa and its transformed genotype - doi: 10.4025/actasciagron.v33i4.10918 Agronomy
Pohl, Simone; Universidade Federal de Pelotas; Lopes, Nei Fernandes; Universidade Federal de Pelotas; Braga, Eugenia Jacira; Universidade Federal de Pelotas; Danielowski, Rodrigo; Universidade Federal de Pelotas; Silva, Ilda Mariclei de Castro da; Universidade Federal de Pelotas; Peters, Jose Antonio; Universidade Federal de Pelotas.
The aim of this paper was to compare the morphological attributes and production components of the wild-type Baronesa cultivar potato with those of Baronesa potato plants that have been genetically modified using the potato virus Y coat protein (CP) gene. The experiment was conducted under greenhouse conditions (Biosecurity Quality Certificate no. 081/98 issued by the National Biosecurity Technical Committee) at the Federal University of Pelotas (UFPel), Pelotas-RS. The shoot and root lengths and the mean leaf number were determined six times at 14-day intervals after sowing; the length, width and fresh weight of the tubers were measured during the last harvest, which occurred 84 days after sowing. There were no statistical differences between the two...
Tipo: Pesquisa em casa de vegetação Palavras-chave: 5.01.03.00-8 Solanum tuberosum; Genetic modification; Virus resistance Fitotecnia Solanum tuberosum; Genetic modification; Virus resistance.
Ano: 2011 URL: http://periodicos.uem.br/ojs/index.php/ActaSciAgron/article/view/10918
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Cowpea nodulation, biomass yield and nutrient uptake, as affected by biofertilizers and rhizobia, in a sodic soil amended with Acidithiobacillus - doi: 10.4025/actasciagron.v35i4.16994 Agronomy
Stamford, Newton Pereira; Universidade Federal Rural de Pernambuco; Silva Junior, Sebastião da; Universidade Federal Rural de Pernambuco; Santos, Carolina Etienne de Rosália e Silva; Universidade Federal Rural de Pernambuco; Freitas, Ana Dolores Santiago de; Universidade Federal Rural de Pernambuco; Lira junior, Mário de Andrade; Universidade Federal Rural de Pernambuco; Barros, Maria de Fátima Cavalcanti; Universidade Federal Rural de Pernambuco.
Sodic soils require application of amendments as gypsum and organic matter. Many types of compost have been tested in sodic soils reclamation; however, these materials often do not provide satisfactory pH reduction. A recent study reported effective effects applying mixture of gypsum and sulfur inoculated with Acidithiobacillus in sodic soils with high pH and exchangeable sodium, though the effects on plant parameters were not evaluated. The present study was conducted to verify the effects of BPK rock biofertilizers on nodulation, biomass yield and nutrient uptake in cowpea compared with mineral fertilizer after sodic soil amendment. The BPK biofertilizers and PK mineral fertilizer were applied at different rates, and plants were inoculated with effective...
Tipo: Pesquisa em casa de vegetação Palavras-chave: Soil salinity Sodic soil Nitrogen fixation Vigna unguiculata; Soil amendment; Sulfur-gypsum interaction; Sulfur oxidation; Sulfur oxidizing bacteria.
Ano: 2013 URL: http://periodicos.uem.br/ojs/index.php/ActaSciAgron/article/view/16994
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