Abstract
Alternaria panax (sect. Panax) is reported to be the main causal agent of alternaria blight on ginseng (Panax ginseng) in Asia. However, the species distribution causing ginseng alternaria blight in China has not been examined since 1964. Two hundred fifty-seven Alternaria isolates were obtained from 2015 to 2019 from 13 ginseng-producing areas in Jilin province, China. Based on morphological characteristics and sequence analysis of the internal transcribed spacer (ITS) regions of the ribosomal DNA (rDNA), glyceraldehyde-3-phosphate dehydrogenase (GAPDH), RNA polymerase second largest subunit (RPB2), translation elongation factor (TEF), and Alternaria major allergen (Alt a 1) genes, 248 (96.5%) of the isolates were identified as A. alternata and A. tenuissima (sect. Alternaria) and nine (3.5%) isolates were classified as A. panax (sect. Panax). To our knowledge, this is the first report of A. alternata (sect. Alternaria) as the primary cause of alternaria blight on ginseng in Jilin province of China.
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Claims 3
Claim · model-written summary
Most Alternaria isolates from ginseng areas were A. alternata and A. tenuissima.
- Taxon
- ginseng
Panax ginsenge1 - Interactor
- A. alternata and A. tenuissima
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Alternaria alternataAlternaria tenuissimae0pathogen - Outcome
- isolates were identified as A. alternata and A. tenuissimae0
- Value
- 248 (96.5%)e0
Organisms pictured · Representative pictures of the matched species, not figures from the paper.
.jpg?width=500)
Verbatim
e0“248 (96.5%) of the isolates were identified as A. alternata and A. tenuissima (sect. Alternaria)”
e1“ginseng-producing areas in Jilin province, China”
Claim · model-written summary
Nine Alternaria isolates were A. panax.
- Taxon
- ginsengPanax ginsenge1
- Interactor
- A. panaxAlternaria panaxe0pathogen
- Outcome
- isolates were classified as A. panaxe0
- Value
- nine (3.5%)e0
Organisms pictured · Representative pictures of the matched species, not figures from the paper.
Verbatim
e0“nine (3.5%) isolates were classified as A. panax (sect. Panax)”
e1“ginseng-producing areas in Jilin province, China”
Claim · model-written summary
The authors report A. alternata as the primary cause of ginseng alternaria blight in Jilin.
- Taxon
- ginsengPanax ginsenge0
- Interactor
- A. alternataAlternaria alternatae0pathogen
- Outcome
- primary cause of alternaria blighte0
- Setting
- Jilin province of Chinae0
Organisms pictured · Representative pictures of the matched species, not figures from the paper.
Verbatim
e0“first report of A. alternata (sect. Alternaria) as the primary cause of alternaria blight on ginseng in Jilin province of China”