Identification, pathogenicity and effects of plant extracts on Neopestalotiopsis and Pseudopestalotiopsis causing fruit diseases

Autor:	Wiphawee Leesutthiphonchai, Onuma Piasai, Nattawut Boonyuen, Angwara Darapanit, Salilaporn Nuankaew
Jazyk:	angličtina
Rok vydání:	2021
Předmět:	Rambutan Molecular biology Science Biological pest control Microbiology Pseudopestalotiopsis Article Ascomycota Species Specificity Rose-apple Pestalotiopsis Phylogeny Plant Diseases Likelihood Functions Multidisciplinary biology Plant Extracts fungi food and beverages Sequence Analysis DNA biology.organism_classification Pathogenicity Thailand Molecular analysis Plant Leaves Horticulture Fruit Medicine Neopestalotiopsis Plant sciences
Zdroj:	Scientific Reports, Vol 11, Iss 1, Pp 1-11 (2021) Scientific Reports
ISSN:	2045-2322
Popis:	Pestalotiopsis and related genera, including Neopestalotiopsis and Pseudopestalotiopsis have damaged many plants for many decades; however, there is little available information about the fungi on tropical fruit in Thailand. This study isolated and characterized pestalotioid fungi on tropical fruit, investigated host specificity, and screened whether plant extracts could control the fungi. In total, 53 diseased fruit samples were sampled from eight types of fruit trees (jackfruit, rose apple, mangosteen, plum, snake fruit, rambutan, strawberry, and avocado). Based on morphological characteristics, 44 isolates were classified as belonging to pestalotioid taxa. Of these isolates, seven with distinct characteristics were selected for identification using molecular analysis, and six isolates were identified as Neopestalotiopsis and one as Pseudopestalotiopsis. In the cross-inoculation experiment, the isolates exhibited nonhost specificity and could infect at least two host plants. The isolates were used to screen for a potential biocontrol resource using six crude plant extracts (clove, ginger, lemongrass, mangosteen, roselle, and turmeric). All crude extracts except mangosteen could inhibit the growth of Neopestalotiopsis and Pseudopestalotiopsis. Application of crude plant extracts could be a potential treatment to control these diseases on tropical fruit.
Databáze:	OpenAIRE
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