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  • Open Access


    Factors influencing in the response of Schizolobium parahybum (Vell) Blake to Ceratocystis paradoxa and C. moniliformis

    Mora-Silva W1,3, FR Garcés-Fiallos1,2, C Suarez-Capello1,2, CE Belezaca-Pinargote1,3, P Cedeño-Loja1, E Vallejo3

    Phyton-International Journal of Experimental Botany, Vol.84, No.1, pp. 120-127, 2015, DOI:10.32604/phyton.2015.84.120

    Abstract In the Ecuadorian coast one of the most destructive diseases of the pachaco is vascular wilt or stem rot caused by Ceratocystis complex, so the aim of this study was to determine the factors that affect the efficiency of the reaction of bark pachaco to this disease. This research was conducted under laboratory conditions, using trees pachaco S38, S41, S98, AE-1, AE-2 and AE-3, and pathogenic species Ceratocystis paradoxa and C. moniliformis. The method utilized was tissue stem bark,with bark sections with 4.5 cm2, and a suspension of 3x104 units infection and remained in a humid chamber for 96… More >

  • Open Access


    Changes in Anatomical Features and Protein Pattern of Sunflower Partially Resistant and Susceptible Lines During Infection By Virulence Factors of Sclerotinia Sclerotiorum

    Maryam Monazzah1, Sattar Tahmasebi Enferadi1,*, Zohre Rabiei1 and Alessandro Mattiello2

    Phyton-International Journal of Experimental Botany, Vol.88, No.2, pp. 149-159, 2019, DOI:10.32604/phyton.2019.05053

    Abstract Helianthus annuus L. as an oil seed crop is widely grown throughout the world. One of the most destructive diseases of sunflower is stem rot caused by Sclerotinia sclerotiorum. Oxalic acid is the major virulence factor of this necrotrophic pathogen. It is important to further investigate plant responses to this non-specific toxin. Therefore, in the present study, we compared the patterns of total soluble proteins and xylem morphology of partially resistant and susceptible sunflower lines after treatment with Sclerotinia culture filtrate. The basal stems of both lines were treated with 40 mM oxalic acid (pH… More >

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