Identification and Occurrence of Potential Phytopathogenic Fungi Infecting Seeds of Invasive Allelopathic Dicot Weeds

Authors

  • Simon Okwangan Hungarian University of Agriculture and Life Sciences, Institute of Plant Protection, Georgikon Campus -Keszthely, Hungary
  • Kelvin Kiprop Hungarian University of Agriculture and Life Sciences, Institute of Plant Protection, Georgikon Campus -Keszthely, Hungary https://orcid.org/0000-0003-2351-8155
  • Evans Duah Agyemang Hungarian University of Agriculture and Life Sciences, Institute of Plant Protection, Georgikon Campus -Keszthely, Hungary https://orcid.org/0000-0001-6836-3586
  • Rita Ofosu Hungarian University of Agriculture and Life Sciences, Institute of Plant Protection, Georgikon Campus -Keszthely, Hungary https://orcid.org/0009-0006-2519-0842
  • György Pásztor Hungarian University of Agriculture and Life Sciences, Institute of Plant Protection, Georgikon Campus -Keszthely, Hungary https://orcid.org/0009-0007-8241-0087
  • András Péter Takács Hungarian University of Agriculture and Life Sciences, Institute of Plant Protection, Georgikon Campus -Keszthely, Hungary https://orcid.org/0009-0000-8149-8581

Keywords:

Abutilon theophrasti, Datura stramonium, Seed-infecting fungi, morphological, pigmentation

Abstract

Datura stramonium and Abutilon theophrasti are among the dicot weeds that have invaded and become established in agricultural fields of Hungary, with strong competitive ability, strong growth and allelopathic properties against crops. However, the information about potential phytopathogenic fungi in their seeds is limited. Thus, the objective of this study was to identify the phytopathogenic fungi at genera level that may be inhabiting the seeds of Datura stramonium and Abutilon theophrasti in Hungary. Seed samples of Abutilon theophrasti and Datura stramonium were collected from arable fields of Keszthely in 2007 & 2010 and 2009 & 2010 respectively. Isolates obtained were Fusarium spp. (elongated-cylindrical whitish-yellowish macroconidia), Alternaria spp. (round brown mature macroconidia and circular, smooth, grayish-brownish immature conidia), and Aspergillus spp. (columnar pale green and bluish conidia). Alternaria spp. had the highest infection rate (43.25%), followed by Aspergillus spp. (11.75%) and least infectious was Fusarium spp. (4.25%). Based on the above morphological features, it was concluded that seeds of Datura stramonium and Abutilon theophrasti can harbour diseases of Fusarium spp., Alternaria spp. and Aspergillus spp.

Author Biography

  • Simon Okwangan, Hungarian University of Agriculture and Life Sciences, Institute of Plant Protection, Georgikon Campus -Keszthely, Hungary

    correspondence
    simonokwangan@gmail.com

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Published

2024-06-28

Issue

Vol. 28 No. Suppl. 2 (2024): 65th Georgikon Days Scientific Conference

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Articles

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Copyright (c) 2024 Simon Okwangan, Kelvin Kiprop, Evans Duah Agyemang, Rita Ofosu, György Pásztor, András Péter Takács

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