Abstract
The present study was conducted during the period of 2015-16 (June-September) to characterize morphological profiles of Meloidogyne javanica from Papaya and Pumpkin in Himachal Pradesh, India. Affected plants displayed poor growth and significant galling on roots. Serious infections resulted in formation of large numbers of galls, wilted leaves, root rot, and then plant death. Morphological as well as morphological studies were carried out for confirmation of referred species. The present specimens have greater body length (550-789 vs. 541-804 µm), body width (320-550 µm vs. 311-581 µm) and longer spear length (16-22 vs. 14-20 µm) as compared to the earlier described populations by several authors. Morphometrics and female perineal pattern of the isolates fit within the ranges for M. javanica. Perineal patterns were oval to squarish in shape, usually with coarse, broken striae and with conspicuous lateral lines. Females had robust stylet with a dorsally curved cone and large transversely ovoid knobs that are offset from the shaft. This species of root-knot nematode was reported for first time from the state.
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Claims 10
Claim · model-written summary
Affected papaya had poor growth and significant root galling.
- Taxon
- Papaya
_-_DPLA_-_55200ec009622d7d42349f3583df310e.jpg?width=60)
Carica papayae7 - Interactor
- Meloidogyne javanicaMeloidogyne javanicat0pathogen
- Outcome
- poor growth and significant galling on rootse0
Organisms pictured · Representative pictures of the matched species, not figures from the paper.
_-_DPLA_-_55200ec009622d7d42349f3583df310e.jpg?width=500)
Verbatim
e0“Affected plants displayed poor growth and significant galling on roots.”
t0“Meloidogyne javanica from Una district of Himachal Pradesh”
e7“Meloidogyne javanica from Papaya and Pumpkin”
Claim · model-written summary
Affected pumpkin had poor growth and significant root galling.
- Taxon
- Pumpkine7
- Interactor
- Meloidogyne javanicaMeloidogyne javanicat0pathogen
- Outcome
- poor growth and significant galling on rootse0
Verbatim
e0“Affected plants displayed poor growth and significant galling on roots.”
t0“Meloidogyne javanica from Una district of Himachal Pradesh”
e7“Meloidogyne javanica from Papaya and Pumpkin”
Claim · model-written summary
Severe infections caused many galls, wilted leaves, root rot and plant death.
- Taxon
- PapayaCarica papayae7
- Interactor
- Meloidogyne javanicaMeloidogyne javanicat0pathogen
- Outcome
- large numbers of galls, wilted leaves, root rot, and then plant deathe0
Organisms pictured · Representative pictures of the matched species, not figures from the paper.
Verbatim
e0“Serious infections resulted in formation of large numbers of galls, wilted leaves, root rot, and then plant death.”
t0“Meloidogyne javanica from Una district of Himachal Pradesh”
e7“Meloidogyne javanica from Papaya and Pumpkin”
Claim · model-written summary
Specimen body length was 550-789 µm.
- Taxon
- PapayaCarica papayae7
- Interactor
- Meloidogyne javanicaMeloidogyne javanicat0pathogen
- Outcome
- body lengthe0
- Value
- 550-789 vs. 541-804 µme0
Organisms pictured · Representative pictures of the matched species, not figures from the paper.
Verbatim
e0“greater body length (550-789 vs. 541-804 µm)”
t0“Meloidogyne javanica from Una district of Himachal Pradesh”
e7“Meloidogyne javanica from Papaya and Pumpkin”
Claim · model-written summary
Specimen body width was 320-550 µm.
- Taxon
- PapayaCarica papayae7
- Interactor
- Meloidogyne javanicaMeloidogyne javanicat0pathogen
- Outcome
- body widthe0
- Value
- 320-550 µme0
Organisms pictured · Representative pictures of the matched species, not figures from the paper.
Verbatim
e0“body width (320-550 µm vs. 311-581 µm)”
t0“Meloidogyne javanica from Una district of Himachal Pradesh”
e7“Meloidogyne javanica from Papaya and Pumpkin”
Claim · model-written summary
Specimen spear length was 16-22 µm.
- Taxon
- PapayaCarica papayae7
- Interactor
- Meloidogyne javanicaMeloidogyne javanicat0pathogen
- Outcome
- spear lengthe0
- Value
- 16-22 vs. 14-20 µme0
Organisms pictured · Representative pictures of the matched species, not figures from the paper.
Verbatim
e0“longer spear length (16-22 vs. 14-20 µm)”
t0“Meloidogyne javanica from Una district of Himachal Pradesh”
e7“Meloidogyne javanica from Papaya and Pumpkin”
Claim · model-written summary
Morphometrics and female perineal pattern fit M. javanica.
- Taxon
- PapayaCarica papayae7
- Interactor
- M. javanicaMeloidogyne javanicae0pathogen
- Outcome
- fit within the ranges for M. javanicae0
Organisms pictured · Representative pictures of the matched species, not figures from the paper.
Verbatim
e0“Morphometrics and female perineal pattern of the isolates fit within the ranges for M. javanica.”
t0“Meloidogyne javanica from Una district of Himachal Pradesh”
e7“Meloidogyne javanica from Papaya and Pumpkin”
Claim · model-written summary
Perineal patterns were oval to squarish with broken striae and lateral lines.
- Taxon
- PapayaCarica papayae7
- Interactor
- Meloidogyne javanicaMeloidogyne javanicat0pathogen
- Outcome
- oval to squarish in shape, usually with coarse, broken striae and with conspicuous lateral linese0
Organisms pictured · Representative pictures of the matched species, not figures from the paper.
Verbatim
e0“Perineal patterns were oval to squarish in shape, usually with coarse, broken striae and with conspicuous lateral lines.”
t0“Meloidogyne javanica from Una district of Himachal Pradesh”
e7“Meloidogyne javanica from Papaya and Pumpkin”
Claim · model-written summary
Females had robust stylets with curved cones and ovoid knobs.
- Taxon
- PapayaCarica papayae7
- Interactor
- Meloidogyne javanicaMeloidogyne javanicat0pathogen
- Outcome
- robust stylet with a dorsally curved cone and large transversely ovoid knobs that are offset from the shafte0
Organisms pictured · Representative pictures of the matched species, not figures from the paper.
Verbatim
e0“Females had robust stylet with a dorsally curved cone and large transversely ovoid knobs that are offset from the shaft.”
t0“Meloidogyne javanica from Una district of Himachal Pradesh”
e7“Meloidogyne javanica from Papaya and Pumpkin”
Claim · model-written summary
The nematode was reported for the first time from the state.
- Taxon
- PapayaCarica papayae7
- Interactor
- Meloidogyne javanicaMeloidogyne javanicat0pathogen
- Outcome
- reported for first time from the statee0
Organisms pictured · Representative pictures of the matched species, not figures from the paper.
Verbatim
e0“This species of root-knot nematode was reported for first time from the state.”
t0“Meloidogyne javanica from Una district of Himachal Pradesh”
e7“Meloidogyne javanica from Papaya and Pumpkin”