NDLI: Levantamento de doenças na cultura da soja, Glycine max (L.) Merrill, em municípios da região Oeste do Estado do Paraná

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Levantamento de doenças na cultura da soja, Glycine max (L.) Merrill, em municípios da região Oeste do Estado do Paraná

Content Provider	Semantic Scholar
Author	Roese, Alexandre Dinnys Romani, Ricardo David Furlanetto, Cleber Tangarlin, José Renato Portz, Roberto Luis
Copyright Year	2008
Abstract	A survey was carried out in the western region of Parana, Brazil, to assess the occurrence and to identify diseases afflicting soybean, Glycine max (Leguminosae-Faboideae), particularly those of economic importance. Plant samples were collected from 126 commercial soybean crops growing in nine administrative areas: Marechal Cândido Rondon, Quatro Pontes, Toledo, Pato Bragado, Santa Helena, Nova Santa Rosa, Mercedes, Palotina and Terra Roxa. Samples were taken from plants showing symptoms of diseases proper to the crop. Disease symptomatology was recorded, and standard laboratory procedures, including preparation of permanent microscope slides with fungi, nematodes and fungus culture, on media culture PDA, were done to determine the causal agent of the diseases recorded. Perinneal pattern and analysis of esterase phenotype were compared for the identification of Meloidogyne spp. nematodes recovered during the survey. Twenty-one causal agents of diseases in soybean were identified during this survey. They consisted of fifteen fungi, one bacterium, one virus and four nematode species. The most widespread were Downy Mildew, Powdery Mildew, Bacterial Blight and the root-knot nematodes M. javanica and M. incognita nematosis. In a complementary study samples were collected from commercial seed lots of 16 soybean cultivars. Some lots were found to be contaminated by Fusarium sp., Colletotrichum dematium var. truncate and Phomopsis sp
Starting Page	1293
Ending Page	1297
Page Count	5
File Format	PDF HTM / HTML
DOI	10.4025/actasciagron.v23i0.2599
Volume Number	23
Alternate Webpage(s)	http://www.periodicos.uem.br/ojs/index.php/ActaSciAgron/article/download/2599/2074
Alternate Webpage(s)	https://doi.org/10.4025/actasciagron.v23i0.2599
Language	English
Access Restriction	Open
Content Type	Text
Resource Type	Article

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