Abstract
In February of 2008, wilt and collapse of sweet basil (Ocimum basilicum L.) was observed on approximately 20% of the plants in a commercial greenhouse in Demre, Antalya, Turkey. Crown and stems of infected plants were necrotic; leaves turned brown and wilted. Profuse, white mycelia and occasionally black sclerotia were found inside and outside of affected stems. Sclerotinia sclerotiorum (Lib). de Bary, identified based on morphological characteristics was isolated from sclerotia and symptomatic stems on potato dextrose agar amended with tetracycline. To conduct pathogenicity tests, sclerotia produced on carrot discs were surface disinfested in 70% ethanol and dried on sterilized filter papers. Ten sclerotia were placed in 9-cm-diameter glass petri plates containing 15 ml of sterilized distilled water. Plates were wrapped with Parafilm and incubated at 4°C for 5 to 6 weeks in the dark. Plates were then incubated at 15°C in 12 h of dark and 12 h of light. Apothecia developed after 2 weeks. Ascospores were harvested from apothecia with distilled water by crushing and shaking the apothecia in centrifuge tubes. Thirty basil plants sprayed with ascospores (10 6 spores per ml) were maintained in a growth chamber at 22°C and 90% humidity. After 2 weeks, necrotic leaves and stems were observed on all inoculated plants. S. sclerotiorum was recovered from symptomatic tissues. No symptoms developed on the 30 basil plants sprayed with sterile distilled water. The pathogenicity test was repeated with similar results. S. sclerotiorum on basil has been reported in Canada (4), the United States, (2,3), and Italy (1). To our knowledge, this is the first report of S. sclerotiorum on basil in Turkey. References: (1) A. Garibaldi et al. Plant Dis. 81:124, 1997. (2) G. E. Holcomb and M. J. Reed. Plant Dis. 78:924, 1994. (3) S. T. Koike. Plant Dis. 84:1342, 2000. (4) T. C. Paulitz. Plant Dis. 81:229, 1997.
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Claims 6
Claim · model-written summary
Wilt and collapse affected approximately 20% of basil plants in a Demre greenhouse.
- Taxon
- sweet basil
Ocimum basilicume0 - Interactor
- Sclerotinia sclerotiorum
Sclerotinia sclerotiorumt0pathogen - Outcome
- wilt and collapsee0
- Value
- 20%e0
- Setting
- Demre, Antalya, Turkeye0
Organisms pictured · Representative pictures of the matched species, not figures from the paper.
Verbatim
e0“wilt and collapse of sweet basil (Ocimum basilicum L.) was observed on approximately 20% of the plants in a commercial greenhouse in Demre, Antalya, Turkey.”
t0“Sclerotinia sclerotiorum on Sweet Basil”
Claim · model-written summary
Infected basil had necrotic crowns and stems and brown wilted leaves.
- Taxon
- sweet basilOcimum basilicumt0
- Organ / stage
- Crown and stemse0
- Outcome
- necrotic; leaves turned brown and wiltede0
Not reportedDirection
Organisms pictured · Representative pictures of the matched species, not figures from the paper.
Verbatim
e0“Crown and stems of infected plants were necrotic; leaves turned brown and wilted.”
t0“Sweet Basil”
Claim · model-written summary
S. sclerotiorum was isolated from sclerotia and symptomatic basil stems.
- Taxon
- Sweet BasilOcimum basilicumt0
- Interactor
- Sclerotinia sclerotiorumSclerotinia sclerotiorume0pathogen
- Outcome
- isolated from sclerotia and symptomatic stemse0
Not reportedDirection
Organisms pictured · Representative pictures of the matched species, not figures from the paper.
Verbatim
e0“Sclerotinia sclerotiorum (Lib). de Bary, identified based on morphological characteristics was isolated from sclerotia and symptomatic stems”
t0“Sweet Basil”
Claim · model-written summary
No symptoms developed on water-sprayed basil controls.
- Taxon
- basilOcimum basilicume0
- Treatment
- sprayed with sterile distilled watere0
- Outcome
- symptomse0
- Direction
- No symptomse0
- Value
- 30 basil plantse0
Not reportedComparator
Organisms pictured · Representative pictures of the matched species, not figures from the paper.
Verbatim
e0“No symptoms developed on the 30 basil plants sprayed with sterile distilled water.”
Claim · model-written summary
S. sclerotiorum was recovered from symptomatic basil tissue after inoculation.
- Taxon
- basilOcimum basilicumt0
- Interactor
- S. sclerotiorumSclerotinia sclerotiorume0pathogen
- Outcome
- recovered from symptomatic tissuese0
Not reportedDirection
Organisms pictured · Representative pictures of the matched species, not figures from the paper.
Verbatim
e0“S. sclerotiorum was recovered from symptomatic tissues.”
t0“basil”
Claim · model-written summary
The authors reported the first S. sclerotiorum occurrence on basil in Turkey.
- Taxon
- basilOcimum basilicume0
- Interactor
- S. sclerotiorumSclerotinia sclerotiorume0pathogen
- Outcome
- first report of S. sclerotiorum on basil in Turkeye0
- Setting
- Turkeye0
Not reportedDirection
Organisms pictured · Representative pictures of the matched species, not figures from the paper.
Verbatim
e0“To our knowledge, this is the first report of S. sclerotiorum on basil in Turkey.”
The same questions in other papers
application · disease · Ocimum basilicum (basil)Results agree
6 papers in the same direction as this paper
- positive
- positive
- positive
3 papers more in this group
See all 7 papers →Claims are grouped by organism, treatment and what was measured or targeted. A paper counts as positive when any of its claims in the group is positive.