Abstract
ABSTRACT Astragalus membranaceus var. mongholicus (Mongolian milkvetch) is one of the most important traditional Chinese medicinal plants. In July 2021, root rot of A . membranaceus var. mongholicus was found in a field in Tongren City, Huangnan Tibetan Autonomous Prefecture, Qinghai Province, China. The aboveground part of the plants exhibited yellowing, wilting and defoliation in severe cases. Seven fungal isolates were obtained, and their pathogenicity, morphology and phylogeny were analysed. A pathogenicity test was performed using the scratch and root irrigation methods, and the results showed that all seven isolates caused root rot on inoculated plants. Based on morphological characteristics and phylogenetic analysis of multi‐locus sequences (ITS, translation elongation factor [ TEF‐1α ], and RNA polymerase II beta subunit [ RPB2 ] genes), two isolates were identified as Fusarium avenaceum , and five isolates were identified as F . flocciferum . To the best of our knowledge, this is the first report of F . avenaceum and F . flocciferum causing root rot of A . membranaceus var. mongholicus in China.
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Claims 6
Claim · model-written summary
Root rot of Astragalus membranaceus var. mongholicus was found in a field in Tongren City, Qinghai Province, China.
- Taxon
- A . membranaceus var. mongholicus
Astragalus mongholicuse0 - Outcome
- root rote0
- Setting
- a field in Tongren City, Huangnan Tibetan Autonomous Prefecture, Qinghai Province, Chinae0
Organisms pictured · Representative pictures of the matched species, not figures from the paper.
Verbatim
e0“root rot of A . membranaceus var. mongholicus was found in a field in Tongren City, Huangnan Tibetan Autonomous Prefecture, Qinghai Province, China”
t0“Astragalus membranaceus var. mongholicus”
Claim · model-written summary
Aboveground parts of the plants showed yellowing, wilting and defoliation in severe cases.
- Taxon
- Astragalus membranaceus var. mongholicusAstragalus mongholicust0
- Organ / stage
- aboveground parte0
- Outcome
- yellowing, wilting and defoliatione0
Organisms pictured · Representative pictures of the matched species, not figures from the paper.
Verbatim
e0“The aboveground part of the plants exhibited yellowing, wilting and defoliation in severe cases”
t0“Astragalus membranaceus var. mongholicus”
Claim · model-written summary
All seven fungal isolates caused root rot on inoculated plants in the pathogenicity test.
- Taxon
- Astragalus membranaceus var. mongholicusAstragalus mongholicust0
- Treatment
- inoculatede0
- Interactor
- isolatese0pathogen
- Outcome
- root rote0
- Direction
- causede0
Not reportedComparator
Organisms pictured · Representative pictures of the matched species, not figures from the paper.
Verbatim
e0“all seven isolates caused root rot on inoculated plants”
t0“Astragalus membranaceus var. mongholicus”
Claim · model-written summary
Two isolates were identified as Fusarium avenaceum.
- Taxon
- Astragalus membranaceus var. mongholicusAstragalus mongholicust0
- Interactor
- Fusarium avenaceum
Fusarium avenaceume0pathogen - Outcome
- two isolates were identified as Fusarium avenaceume0
Organisms pictured · Representative pictures of the matched species, not figures from the paper.
Verbatim
e0“two isolates were identified as Fusarium avenaceum”
t0“Astragalus membranaceus var. mongholicus”
Claim · model-written summary
Five isolates were identified as F. flocciferum.
- Taxon
- Astragalus membranaceus var. mongholicusAstragalus mongholicust0
- Interactor
- F . flocciferumFusarium flocciferume0pathogen
- Outcome
- five isolates were identified as F . flocciferume0
Organisms pictured · Representative pictures of the matched species, not figures from the paper.
Verbatim
e0“five isolates were identified as F . flocciferum”
t0“Astragalus membranaceus var. mongholicus”
Claim · model-written summary
This is the first report of F. avenaceum and F. flocciferum causing root rot of A. membranaceus var. mongholicus in China.
- Taxon
- A . membranaceus var. mongholicusAstragalus mongholicuse0
- Interactor
- F . avenaceumFusarium avenaceume0pathogen
- Second interactor
- F . flocciferumFusarium flocciferume0pathogen
- Outcome
- first reporte0
- Setting
- Chinae0
Organisms pictured · Representative pictures of the matched species, not figures from the paper.
Verbatim
e0“this is the first report of F . avenaceum and F . flocciferum causing root rot of A . membranaceus var. mongholicus in China”
t0“Astragalus membranaceus var. mongholicus”