Abstract
The distribution, aetiology and symptomatology of a new disease on asparagus ferns, which we have termed brown spot, is described. Descriptions of and a key to identification of the causal organisms, Curvularia brachyspora, C. eragrostidis, C. lunata and C. pallescens, are also presented. Pathogenicity tests showed that C. lunata was the dominant and most virulent of the four species. Inoculation with conidial suspensions or mycelial transfers through wounded ferns were more effective in inducing the disease than inoculations on unwounded ferns. This is the first record of C. brachyspora in Malaysia and the first report of this disease on asparagus Key words: Malaysia/Plant diseases/Brown spotJCurvularia brachyspora/Curvularia eragrostidts/Curvularialunata/Curvularia pallescens/Asparagus.
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Claims 6
Claim · model-written summary
Four Curvularia species were identified as causal organisms of asparagus brown spot.
- Interactor
- Curvularia brachyspora, C. eragrostidis, C. lunata and C. pallescens
Curvularia lunataCurvularia brachysporaCurvularia pallescensCurvularia eragrostidise0pathogen - Outcome
- causal organismse0
AsparagusOrganisms pictured · Representative pictures of the matched species, not figures from the paper.
Verbatim
e0“causal organisms, Curvularia brachyspora, C. eragrostidis, C. lunata and C. pallescens”
t0“ASPARAGUS”
Claim · model-written summary
C. lunata was the dominant and most virulent brown spot pathogen.
- Interactor
- C. lunataCurvularia lunatae0pathogen
- Outcome
- dominant and most virulente0
Organisms pictured · Representative pictures of the matched species, not figures from the paper.
Verbatim
e0“Pathogenicity tests showed that C. lunata was the dominant and most virulent of the four species.”
t0“ASPARAGUS”
Claim · model-written summary
Conidial-suspension inoculation of wounded ferns induced disease more effectively than inoculation of unwounded ferns.
- Organ / stage
- fernse0
- Treatment
- Inoculation with conidial suspensionse0
- Outcome
- inducing the diseasee0
- Direction
- more effectivee0
- Comparator
- inoculations on unwounded fernse0
Organisms pictured · Representative pictures of the matched species, not figures from the paper.
Verbatim
e0“Inoculation with conidial suspensions or mycelial transfers through wounded ferns were more effective in inducing the disease than inoculations on unwounded ferns.”
t0“ASPARAGUS”
Claim · model-written summary
Mycelial transfer through wounded ferns induced disease more effectively than inoculation of unwounded ferns.
- Treatment
- mycelial transfers through wounded fernse0
- Outcome
- inducing the diseasee0
- Direction
- more effectivee0
- Comparator
- inoculations on unwounded fernse0
Organisms pictured · Representative pictures of the matched species, not figures from the paper.
Verbatim
e0“Inoculation with conidial suspensions or mycelial transfers through wounded ferns were more effective in inducing the disease than inoculations on unwounded ferns.”
t0“ASPARAGUS”
Claim · model-written summary
The disease was reported on asparagus for the first time.
- Outcome
- first report of this diseasee0
Organisms pictured · Representative pictures of the matched species, not figures from the paper.
Verbatim
e0“the first report of this disease on asparagus”
Claim · model-written summary
C. brachyspora was recorded in Malaysia for the first time.
- Interactor
- C. brachysporaCurvularia brachysporae0pathogen
- Outcome
- first recorde0
- Setting
- Malaysiae0
Organisms pictured · Representative pictures of the matched species, not figures from the paper.
Verbatim
e0“first record of C. brachyspora in Malaysia”
t0“ASPARAGUS”