Scientific Research Publishing

Read  full  paper  at: http://www.scirp.org/journal/PaperInformation.aspx?PaperID=54081#.VO1wXizQrzE Author(s)   Purnajyoti Deka Bhuyan 1 , Phatik Tamuli 2* , Paran Boruah 1   Affiliation(s) 1 Division of Medicine, India Aromatic and Economic Plants, North East Institute of Science & Technology (CSIR), Jorhat, India . 2 Microbiology and Plant Pathology Lab, Department of Botany, Darrang College, Tezpur, India . ABSTRACT Antifungal activity of plant extracts and essential oils of six different plant species was tested against three pathogenic fungi, viz., Alternaria alternata, Colletotrichum gloeosporioides and Fusarium moniliforme isolated from Jatropha curcas L. using Poison Food Technique. All the samples tested were found effective in-vitro. More than 60% inhibition of growth of individual fungal species was observed at 100 ppm. Maximum inhibition was observed at concentration of 1000 ppm. However, among the essential oil...

Read full paper at: http://www.scirp.org/journal/PaperInformation.aspx?PaperID=52541#.VJte6cCAM4 Author(s) Gessica Andrade 1 , Fariza Abrão 1 , Patrick Silva 1 , Sérgio Ricardo Ambrósio 2 , Rodrigo Cássio Sola Veneziani 2 , Wilson Roberto Cunha 1 , Regina Helena Pires 1 , Carlos Henrique G. Martins 1* Affiliation(s) 1 Laboratory of Research in Applied Microbiology, University of Franca, Franca, Brazil . 2 Research Group on Natural Products, University of Franca, Franca, Brazil . ABSTRACT Microorganism resistance to the existing products is yet another difficulty that agriculturalists have to deal with. In this context, the search for new agricultural products that can fight phytopathogens has become inc...

Read full paper at: http://www.scirp.org/journal/PaperInformation.aspx?PaperID=51090#.VFMhPmfHRK0 Author(s) Marco A. A. Souza 1* , Marcela J. Lemos 2 , Diego M. C. Brito 1 , Manlio S. Fernandes 2 , Rosane N. Castro 1 , Sonia R. Souza 1 Affiliation(s) 1 Department of Chemistry, Universidade Federal Rural do Rio de Janeiro, Seropédica, Brazil . 2 Soil Department, Universidade Federal Rural do Rio de Janeiro, Seropédica, Brazil . ABSTRACT Agricultural products certified as organic and free of pesticides cannot use synthetic chemicals in the production process. In this context, the search for new natural products appears as an alternative to the use of conventional pesticides, aiming to combat agricultural d...