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Disease reports and disease diagnostics/Rapports des maladies

Characterization of Pestalotiopsis chamaeropis causing gray blight disease on tea leaves (Camellia sinensis) in Chongqing, China

ORCID Icon, , , , &
Pages 413-420 | Accepted 24 Aug 2020, Published online: 09 Sep 2020

Figures & data

Table 1. Fungal species isolated from tea plants and the reference isolates used for phylogenetic analyses

Fig. 1 The morphological characteristics of Pestalotiopsis-like species isolated from tea plants. (a) Symptoms caused by gray blight disease on tea plants; (b) Cultural traits of Pestalotiopsis isolates on potato dextrose agar (PDA) medium at 25 ± 2°C for six days; (c) Conidial morphology of Pestalotiopsis isolates on PDA medium after 8 days incubation (scale bar = 10 um)

Fig. 1 The morphological characteristics of Pestalotiopsis-like species isolated from tea plants. (a) Symptoms caused by gray blight disease on tea plants; (b) Cultural traits of Pestalotiopsis isolates on potato dextrose agar (PDA) medium at 25 ± 2°C for six days; (c) Conidial morphology of Pestalotiopsis isolates on PDA medium after 8 days incubation (scale bar = 10 um)

Fig. 2 Phylogenetic tree obtained using the MP method on the basis of combined ITS, β-tubulin and TEF gene sequence data from distinctive Pestalotiopsis species in this study (bold font) and published sequences. Neopestalotiopsis clavispora CBS 447.73 served as the outgroup. The numbers in the bootstrap test (1,000 replicates) are indicated above the branches and only values > 50% are shown

Fig. 2 Phylogenetic tree obtained using the MP method on the basis of combined ITS, β-tubulin and TEF gene sequence data from distinctive Pestalotiopsis species in this study (bold font) and published sequences. Neopestalotiopsis clavispora CBS 447.73 served as the outgroup. The numbers in the bootstrap test (1,000 replicates) are indicated above the branches and only values > 50% are shown

Table 2. Pathogenicity of the isolates of P. chamaeropis on the tea cv. Fudingdabai six days after inoculation

Fig. 3 Typical symptoms caused by Pestalotiopsis chamaeropis on tea leaves

Fig. 3 Typical symptoms caused by Pestalotiopsis chamaeropis on tea leaves

Fig. 4 The antifungal activity of difenoconazole on mycelial growth rates of Pestalotiopsis chamaeropis.

Fig. 4 The antifungal activity of difenoconazole on mycelial growth rates of Pestalotiopsis chamaeropis.
Supplemental material

Supplementary_table_1.doc

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