Abstract
A serious Juniperus rigida rust disease was found in Gansu Province, China. The disease incidence is approximately 80–90%. We also found rust disease on both Cotoneaster multiflorus and Sorbus in the same location. Two novel Gymnosporangium species were identified from the infected plants. Based on morphological observations and phylogenetic analyses, we describe the two new taxa as G. gansuense and G. granulatosporum. We also determined their life cycles. Moreover, this study documented a novel aeciospore surface structure with two different surface types on one aeciospore. We describe it here as “granular.”
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Claims 6
Claim · model-written summary
A serious rust disease on Juniperus rigida in Gansu Province, China had an incidence of approximately 80–90%.
- Taxon
- Juniperus rigida
Juniperus rigidae0 - Interactor
- Gymnosporangium
.jpg?width=60)
Gymnosporangiume3pathogen - Outcome
- disease incidencee1
- Value
- 80–90%e1
- Setting
- Gansu Province, Chinae0
Organisms pictured · Representative pictures of the matched species, not figures from the paper.
.jpg?width=500)
Verbatim
e0“A serious Juniperus rigida rust disease was found in Gansu Province, China”
e1“The disease incidence is approximately 80–90%”
e3“Two novel Gymnosporangium species were identified from the infected plants”
Claim · model-written summary
Rust disease was found on Cotoneaster multiflorus in the same location.
- Taxon
- Cotoneaster multiflorus
Cotoneaster multifloruse2 - Outcome
- rust diseasee2
Organisms pictured · Representative pictures of the matched species, not figures from the paper.
Verbatim
e2“We also found rust disease on both Cotoneaster multiflorus and Sorbus in the same location”
Claim · model-written summary
Rust disease was found on Sorbus in the same location.
- Outcome
- rust diseasee2
_29-03-2026._(d.j.b).jpg?width=60){kind=small}
SorbusOrganisms pictured · Representative pictures of the matched species, not figures from the paper.
_29-03-2026._(d.j.b).jpg?width=500)
Verbatim
e2“We also found rust disease on both Cotoneaster multiflorus and Sorbus in the same location”
Claim · model-written summary
Two new Gymnosporangium species were identified from infected Juniperus rigida and are described as G. gansuense and G. granulatosporum.
- Taxon
- Juniperus rigidaJuniperus rigidae0
- Interactor
- GymnosporangiumGymnosporangiume3pathogen
- Outcome
- Two novel Gymnosporangium speciese3
- Qualifier
- G. gansuense and G. granulatosporume7
Organisms pictured · Representative pictures of the matched species, not figures from the paper.
Verbatim
e0“A serious Juniperus rigida rust disease was found in Gansu Province, China”
e3“Two novel Gymnosporangium species were identified from the infected plants”
e7“we describe the two new taxa as G. gansuense and G. granulatosporum”
Claim · model-written summary
The life cycles of the two Gymnosporangium species were determined.
- Taxon
- Juniperus rigidaJuniperus rigidae0
- Interactor
- GymnosporangiumGymnosporangiume3pathogen
- Outcome
- life cyclese4
Organisms pictured · Representative pictures of the matched species, not figures from the paper.
Verbatim
e0“A serious Juniperus rigida rust disease was found in Gansu Province, China”
e3“Two novel Gymnosporangium species were identified from the infected plants”
e4“We also determined their life cycles”
Claim · model-written summary
The aeciospores of the Gymnosporangium rust show a novel granular surface structure with two surface types on one aeciospore.
- Taxon
- Juniperus rigidaJuniperus rigidae0
- Organ / stage
- aeciosporee5
- Interactor
- GymnosporangiumGymnosporangiume3pathogen
- Outcome
- novel aeciospore surface structuree5
Organisms pictured · Representative pictures of the matched species, not figures from the paper.
Verbatim
e0“A serious Juniperus rigida rust disease was found in Gansu Province, China”
e3“Two novel Gymnosporangium species were identified from the infected plants”
e5“this study documented a novel aeciospore surface structure with two different surface types on one aeciospore”