Abstract
An experiment was conducted to characterize Okra Yellow Vein Mosaic Virus infecting Okra in south Gujarat region. Incidence of Yellow vein mosaic disease (YMD) of the okra ranging from 10-50 per cent in the different field of NAU as well as the adjoining area was observed during the survey in 2015 in late winter to summer. Total seven different fields of Okra in the villages around the Navsari Agricultural University, viz., Allu, Vankaner, Sejvad, Hathuka, Bhatlav, shiker and Delvada were surveyed. The crop grown in the Vegetable Research Farm of NAU, Navsari in open fields was also surveyed. The disease appeared with the appearance of true leaves and was seen at all the stages of the growth. YMD in okra appeared with the appearance of true leaves and was seen at all the stages of the growth. The initial symptoms on young leaves were diffuse and mottled in appearance. Clearing of the small veins starts near the leaf margins, at various points however, were more pronounced towards the petiole end as compared towards the expanded margins of the leaf. Gradually the yellowing increases covering the interveinal area and entire leaf appeared yellow. In few cases the leaf tissue necrosis has also been reported. Fruit, stem and other above ground parts of the infected plants also turned yellow in color. Early infected plant remains dwarf. Market acceptability of the yellow colored fruits reduced severely causing enormous economic loss. In some of the plants no green colour symptoms were seen, however, had another type of symptoms principally characterized by the vein thickening. Plant if seen from the top or side, appeared rough, rugose, dark green and dwarfed. In case of severe infection the entire leaf crumpled, curled inside, petiole bend and even cannot hold leaf up. Swelling of the vein and enation can also be seen on the backside of the leaf. In graft transmission also the similar symptoms were observed, however, the vein thickenings were not observed.
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Claims 12
Claim · model-written summary
Yellow vein mosaic disease incidence ranged from 10-50 per cent.
- Taxon
- okra
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Abelmoschus esculentuse0 - Interactor
- Yellow vein mosaic diseasee0pathogen
- Outcome
- Incidence of Yellow vein mosaic diseasee0
- Value
- 10-50 per cente0
Organisms pictured · Representative pictures of the matched species, not figures from the paper.
.jpg?width=500)
Verbatim
e0“Incidence of Yellow vein mosaic disease (YMD) of the okra ranging from 10-50 per cent”
Claim · model-written summary
Disease appeared with true leaves and persisted through growth stages.
- Taxon
- OkraAbelmoschus esculentust0
- Organ / stage
- true leavese0
- Outcome
- appeared with the appearance of true leaves and was seen at all the stages of the growthe0
Organisms pictured · Representative pictures of the matched species, not figures from the paper.
Verbatim
e0“The disease appeared with the appearance of true leaves and was seen at all the stages of the growth.”
t0“Okra Yellow Vein Mosaic Virus (OYVMV) Infecting Okra”
Claim · model-written summary
Young leaves initially showed diffuse mottling and vein clearing.
- Taxon
- OkraAbelmoschus esculentust0
- Organ / stage
- young leavese0
- Outcome
- diffuse and mottled in appearance. Clearing of the small veinse0
Organisms pictured · Representative pictures of the matched species, not figures from the paper.
Verbatim
e0“The initial symptoms on young leaves were diffuse and mottled in appearance. Clearing of the small veins starts near the leaf margins”
t0“Okra Yellow Vein Mosaic Virus (OYVMV) Infecting Okra”
Claim · model-written summary
Leaf yellowing later covered interveinal areas and entire leaves.
- Taxon
- OkraAbelmoschus esculentust0
- Organ / stage
- leafe0
- Outcome
- yellowing increases covering the interveinal area and entire leaf appeared yellowe0
Organisms pictured · Representative pictures of the matched species, not figures from the paper.
Verbatim
e0“Gradually the yellowing increases covering the interveinal area and entire leaf appeared yellow.”
t0“Okra Yellow Vein Mosaic Virus (OYVMV) Infecting Okra”
Claim · model-written summary
Leaf tissue necrosis was reported in a few cases.
- Taxon
- OkraAbelmoschus esculentust0
- Organ / stage
- leafe0
- Outcome
- leaf tissue necrosise0
Organisms pictured · Representative pictures of the matched species, not figures from the paper.
Verbatim
e0“In few cases the leaf tissue necrosis has also been reported.”
t0“Okra Yellow Vein Mosaic Virus (OYVMV) Infecting Okra”
Claim · model-written summary
Infected fruit, stems and other aboveground parts turned yellow.
- Taxon
- OkraAbelmoschus esculentust0
- Organ / stage
- Fruit, stem and other above ground partse0
- Outcome
- turned yellow in colore0
Organisms pictured · Representative pictures of the matched species, not figures from the paper.
Verbatim
e0“Fruit, stem and other above ground parts of the infected plants also turned yellow in color.”
t0“Okra Yellow Vein Mosaic Virus (OYVMV) Infecting Okra”
Claim · model-written summary
Early infected plants remained dwarf.
- Taxon
- OkraAbelmoschus esculentust0
- Outcome
- remains dwarfe0
Organisms pictured · Representative pictures of the matched species, not figures from the paper.
Verbatim
e0“Early infected plant remains dwarf.”
t0“Okra Yellow Vein Mosaic Virus (OYVMV) Infecting Okra”
Claim · model-written summary
Yellow fruit had severely reduced market acceptability.
- Taxon
- OkraAbelmoschus esculentust0
- Organ / stage
- yellow colored fruitse0
- Outcome
- Market acceptabilitye0
- Direction
- reducede0
Organisms pictured · Representative pictures of the matched species, not figures from the paper.
Verbatim
e0“Market acceptability of the yellow colored fruits reduced severely”
t0“Okra Yellow Vein Mosaic Virus (OYVMV) Infecting Okra”
Claim · model-written summary
Some infected plants showed vein thickening and rough, rugose, dark green dwarf appearance.
- Taxon
- OkraAbelmoschus esculentust0
- Outcome
- vein thickeninge0
Organisms pictured · Representative pictures of the matched species, not figures from the paper.
Verbatim
e0“symptoms principally characterized by the vein thickening. Plant if seen from the top or side, appeared rough, rugose, dark green and dwarfed.”
t0“Okra Yellow Vein Mosaic Virus (OYVMV) Infecting Okra”
Claim · model-written summary
Severe infection caused leaf crumpling and curling with bent petioles.
- Taxon
- OkraAbelmoschus esculentust0
- Outcome
- entire leaf crumpled, curled inside, petiole bend and even cannot hold leaf upe0
Organisms pictured · Representative pictures of the matched species, not figures from the paper.
Verbatim
e0“In case of severe infection the entire leaf crumpled, curled inside, petiole bend and even cannot hold leaf up.”
t0“Okra Yellow Vein Mosaic Virus (OYVMV) Infecting Okra”
Claim · model-written summary
Vein swelling and enation occurred on leaf backs.
- Taxon
- OkraAbelmoschus esculentust0
- Outcome
- Swelling of the vein and enatione0
Organisms pictured · Representative pictures of the matched species, not figures from the paper.
Verbatim
e0“Swelling of the vein and enation can also be seen on the backside of the leaf.”
t0“Okra Yellow Vein Mosaic Virus (OYVMV) Infecting Okra”
Claim · model-written summary
Graft transmission produced similar symptoms without vein thickening.
- Taxon
- OkraAbelmoschus esculentust0
- Treatment
- graft transmissione0
- Outcome
- similar symptomse0
Not reportedComparatorDirection
Organisms pictured · Representative pictures of the matched species, not figures from the paper.
Verbatim
e0“In graft transmission also the similar symptoms were observed, however, the vein thickenings were not observed.”
t0“Okra Yellow Vein Mosaic Virus (OYVMV) Infecting Okra”
The same questions in other papers
grafting · disease · Abelmoschus esculentus (okra)Results agree
1 paper in the same direction as this paper
- negative
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.