Bioactivities of Allium longicuspis Regel against anthracnose of mango caused by Colletotrichum gloeosporioides (Penz.)

College

College of Science

Department/Unit

Center for Natural Sciences and Environment Research

Document Type

Article

Source Title

Scientific Reports

Volume

10

Issue

1

Publication Date

12-1-2020

Abstract

The present study focused on the effect of Allium longicuspis extracts (ALE) against anthracnose of mango fruit. In vitro tests (mycelial growth and conidial germination) showed that, ALE concentrated from 0.75 to 2.5 g L−1 completely inhibited the growth of Colletotrichum gloesporioides. Cytoplasmic discharge, mycelial and conidial blasts were clearly observed when applied with ALE. The minimum effective concentration (MEC) of ALE at 0.75 g L1 can be applied as protective, curative and simultaneous treatment in mango fruit to inhibit the anthracnose infection. Efficacy of garlic extract was relatively superior to synthetic fungicide based on protective, curative and simultaneous treatments. Twenty chemical components were detected in ALE based on GCMS analysis (Table 1). The six major components were the following: oleyl alcohol, methyl ether (42.04%), γ-sitosterol (15.85%), , 24-norursa-3.12-diene (5.62%), 1-octadecanol methyl ether (4.23%), n-pentadecanol (3.95%) and 2-vinyl-4h-1 3-dithiine (3.76%). The findings support the potential use of ALE as an alternative to synthetic fungicide. © 2020, The Author(s).

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Digitial Object Identifier (DOI)

10.1038/s41598-020-68399-z

Disciplines

Biology

Keywords

Garlic; Anthracnose; Colletotrichum gloeosporioides; Mango—Diseases and pests

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