Abstract
Symptoms suggestive of virus infection in lentil (Lens culinaris Medik.) fields in Dara'a in southern Syria have been observed, in epidemic proportions, almost annually since 1994. A similar epidemic was observed on many lentil genotypes at the ICARDA farm, near Aleppo, as well as in other locations in northern Syria during 1998. Symptoms included growth reduction and rolling of leaves, accompanied by mottling with tip wilting or necrosis. Field symptoms were reproduced on lentil cv. Syrian Local upon mechanical inoculation of plants with inoculum from symptomatic field plants. Transmission tests showed that the disease agent can be transmitted from lentil to lentil, pea (Pisum sativum L.), and faba bean (Vicia faba L.) plants by the pea aphid (Acyrthosiphon pisum Harris) in a persistent manner. More than 500 symptomatic lentil plants were collected and tested for the presence of 14 different viruses by the tissue-blot immunoassay (TBIA) (2). Around 80% of the samples reacted only with antiserum to pea enation mosaic virus (PEMV), a Dutch isolate (E1540) provided by L. Bos, Wageningen, The Netherlands (1). Surveys conducted during the 1997/1998 growing season showed that PEMV was widely distributed in the major lentil-growing areas of Syria: some lentil fields had more than 50% virus incidence. This is the first record of PEMV naturally infecting lentil in Syria. References: (1) K. Mahmood and D. Peters. Neth. J. Plant Pathol. 79:138, 1973. (2) K. M. Makkouk and A. Comeau. Eur. J. Plant Pathol. 100:71, 1994.
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Claims 8
Claim · model-written summary
Lentil fields in southern Syria had nearly annual epidemic virus-like symptoms since 1994.
- Taxon
- lentil
Lens culinarise0 - Outcome
- Symptoms suggestive of virus infectione0
- Qualifier
- almost annually since 1994e0
- Setting
- Dara'a in southern Syriae0
Organisms pictured · Representative pictures of the matched species, not figures from the paper.
Verbatim
e0“Symptoms suggestive of virus infection in lentil (Lens culinaris Medik.) fields in Dara'a in southern Syria have been observed, in epidemic proportions, almost annually since 1994.”
Claim · model-written summary
A similar epidemic occurred on many lentil genotypes in northern Syria in 1998.
- Taxon
- lentilLens culinarise0
- Outcome
- epidemice0
- Setting
- northern Syriae0
Organisms pictured · Representative pictures of the matched species, not figures from the paper.
Verbatim
e0“A similar epidemic was observed on many lentil genotypes at the ICARDA farm, near Aleppo, as well as in other locations in northern Syria during 1998.”
Claim · model-written summary
Affected lentil showed reduced growth, leaf rolling, mottling, tip wilting or necrosis.
- Taxon
- LentilLens culinarist0
- Organ / stage
- leavese0
- Outcome
- growth reduction and rolling of leaves, accompanied by mottling with tip wilting or necrosise0
Organisms pictured · Representative pictures of the matched species, not figures from the paper.
Verbatim
e0“Symptoms included growth reduction and rolling of leaves, accompanied by mottling with tip wilting or necrosis.”
t0“Lentil”
Claim · model-written summary
Mechanical inoculation reproduced field symptoms on Syrian Local lentil.
- Taxon
- lentilLens culinarise0
- Material
- Syrian Locale0
- Treatment
- mechanical inoculation of plants with inoculum from symptomatic field plantse0
- Outcome
- Field symptomse0
Not reportedComparatorDirection
Organisms pictured · Representative pictures of the matched species, not figures from the paper.
Verbatim
e0“Field symptoms were reproduced on lentil cv. Syrian Local upon mechanical inoculation of plants with inoculum from symptomatic field plants.”
Claim · model-written summary
Pea aphids transmitted the disease agent from lentil to lentil, pea, and faba bean persistently.
- Taxon
- lentilLens culinarise0
- Interactor
- pea aphid
-PLoS.jpg?width=60)
Acyrthosiphon pisume0pest - Outcome
- disease agent can be transmittede0
- Qualifier
- in a persistent mannere0
Organisms pictured · Representative pictures of the matched species, not figures from the paper.
-PLoS.jpg?width=500)
Verbatim
e0“Transmission tests showed that the disease agent can be transmitted from lentil to lentil, pea (Pisum sativum L.), and faba bean (Vicia faba L.) plants by the pea aphid (Acyrthosiphon pisum Harris) in a persistent manner.”
Claim · model-written summary
About 80% of symptomatic lentil samples reacted only with antiserum to PEMV.
- Taxon
- LentilLens culinarist0
- Interactor
- pea enation mosaic virus
Pea enation mosaic virus 1e0pathogen - Outcome
- samples reacted only with antiserum to pea enation mosaic viruse0
- Value
- 80%e0
Organisms pictured · Representative pictures of the matched species, not figures from the paper.
Verbatim
e0“Around 80% of the samples reacted only with antiserum to pea enation mosaic virus (PEMV), a Dutch isolate (E1540)”
t0“Lentil”
Claim · model-written summary
PEMV was widespread in major lentil areas of Syria and incidence exceeded 50% in some fields.
- Taxon
- lentilLens culinarise0
- Interactor
- PEMVe0pathogen
- Outcome
- virus incidencee0
- Value
- more than 50%e0
- Setting
- Syriae0
Organisms pictured · Representative pictures of the matched species, not figures from the paper.
Verbatim
e0“Surveys conducted during the 1997/1998 growing season showed that PEMV was widely distributed in the major lentil-growing areas of Syria: some lentil fields had more than 50% virus incidence.”
Claim · model-written summary
This was the first record of natural PEMV infection of lentil in Syria.
- Taxon
- lentilLens culinarise0
- Interactor
- PEMVe0pathogen
- Outcome
- PEMV naturally infecting lentile0
- Setting
- Syriae0
Organisms pictured · Representative pictures of the matched species, not figures from the paper.
Verbatim
e0“This is the first record of PEMV naturally infecting lentil in Syria.”
The same questions in other papers
inoculation · disease · Lens culinaris (lentil)Positive and negative results
7 papers in the same direction as this paper · 10 in the opposite direction
- positive
- positive
- positive
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See all 18 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.