Seedborne Fungi
Mostrando 1-9 de 9 artigos, teses e dissertações.
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1. Rapid PCR-based assay for Sclerotinia sclerotiorum detection on soybean seeds
Caused by Sclerotinia sclerotiorum, white mold is an important seed-transmitted disease of soybean (Glycine max). Incubation-based methods available for the detection and quantification of seed-borne inoculum such as the blotter test, paper roll and Neon-S assay are time-consuming, laborious, and not always sensitive. In this study, we developed and evaluate
Sci. agric. (Piracicaba, Braz.). Publicado em: 2015-02
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2. Seed-borne pathogens and electrical conductivity of soybean seeds
Adequate procedures to evaluate seed vigor are important. Regarding the electrical conductivity test (EC), the interference in the test results caused by seed-borne pathogens has not been clarified. This research was carried out to study the influence of Phomopsis sojae (Leh.) and Colletotrichum dematium (Pers. ex Fr.) Grove var. truncata (Schw.) Arx. fungi
Scientia Agricola. Publicado em: 2012-02
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3. Microbiolização das sementes: uma comparação com o tratamento químico no controle dos principais patógenos das sementes de trigo.
1998
Pesquisa Agropecuária Brasileira. Publicado em: 2011
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4. Microbiolizacao das sementes: uma comparacao com o tratamento quimico no controle dos principais patogenos das sementes de trigo.
Resultados de dez experimentos, realizados em laboratorio com a microbiolizacao, sao comparados com o controle quimico iprodione + tiram, no tratamento de sementes de trigo, contra os seguintes patogenos: Bipolaris sorokiniana (indutor da mancha marrom, da podridao comum das raizes e da ponta preta dos graos). Pyricularia oryzae (indutor da brusone), Drechsl
Pesquisa Agropecuaria Brasileira. Publicado em: 2011
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5. Sugarcane seedborne (caryopses) fungi in Brazil: identification, pathogenicity and control / Fungos associados às sementes de cana-de-açúcar (cariopses) no Brasil: identificação, patogenicidade e controle
Este estudo teve como objetivos: investigar o método mais adequado para detecção de fungos associados às sementes de cana-de-açúcar; fazer o levantamento dos fungos associados às sementes e incidência; correlacionar a incidência fúngica nessas sementes e o ambiente onde foram produzidas; efeitos que fungos associados às sementes têm em sementes e
Publicado em: 2007
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6. Effects of some phenolic compounds on soybean seed germination and on seed-borne fungi
Os compostos fenólicos são metabólitos secundários importantes na ecologia vegetal, especialmente em relações alelopáticas e interações com microorganismos, sendo sintetizados principalmente através da via do ácido chiquímico. Neste trabalho, os efeitos de cumarina, ácido ferúlico e naringenina sobre a germinação de sementes de soja e sobre o
Brazilian Archives of Biology and Technology. Publicado em: 2003-03
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7. Hot Acidified Cupric Acetate Soaks for Eradication of Xanthomonas campestris from Crucifer Seeds
Acidified cupric acetate soaks were tested for eradication of Xanthomonas campestris from naturally infected crucifer seeds. The pathogen was eradicated from seeds by soaking in 0.5% cupric acetate dissolved in 0.005 N acetic acid for 20 min at 35, 40, 45, and 50°C but not 25°C. Moreover, normal bacterial flora of crucifer seeds and the seed-borne Phoma li
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8. Origin of a Fungal Symbiont of Perennial Ryegrass by Interspecific Hybridization of a Mutualist with the Ryegrass Choke Pathogen, Epichloe Typhina
Seed-borne fungal symbionts (endophytes) provide many cool-season grass species with biological protection from biotic and abiotic stresses. The endophytes are asexual, whereas closely related sexual species of genus Epichloe (Clavicipitales) cause grass choke disease. Perennial ryegrass (Lolium perenne) is a host of two endophyte taxa, LpTG-1 (L. perenne en
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9. Evolutionary diversification of fungal endophytes of tall fescue grass by hybridization with Epichloë species.
The mutualistic associations of tall fescue (Festuca arundinacea) with seed-borne fungal symbionts (endophytes) are important for fitness of the grass host and its survival under biotic and abiotic stress. The tall fescue endophytes are asexual relatives of biological species (mating populations) of genus Epichloë (Clavicipitaceae), sexual fungi that cause