Abstract
The effects of planting date, rye (Secale cereale cv. Wren Abruzzi) and wheat (Triticura aestivum cv. Coker 797), crop destruction, fallow, and soil temperature on managing Meloidogyne incognita race 1 were determined in a 2-year study. More M. incognita juveniles (J2) and egg-producing adults were found in roots of rye planted 1 October than in roots of rye planted 1 November and wheat planted 1 November and 1 December. Numbers of M. incognita adults with and without egg masses were near or below detectable levels in roots of rye planted 1 November and wheat planted 1 November and 1 December. Meloidogyne incognita survived the mild winters in southern Georgia as J2 and eggs. The destruction of rye and wheat as a trap crop 1 March suppressed numbers of J2 in the soil temporarily but did not provide long-term benefits for susceptible crops that followed. In warmer areas where rye and wheat are grown in winter, reproduction of M. incognita may be avoided by delaying planting dates until soil temperature declines below the nematode penetration threshold (18 C), but no long-term benefits should be expected. The temperature threshold may be an important consideration in managing M. incognita population densities in areas having lower winter soil temperatures than southern Georgia.
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Claims 7
Claim · model-written summary
More M. incognita juveniles and egg-producing adults were found in rye planted 1 October than in rye planted 1 November or wheat planted 1 November or 1 December.
- Taxon
- rye
Secale cerealee0 - Treatment
- rye planted 1 Octobere0
- Interactor
- M. incognita
_penetrates_a_tomato_root_-_USDA-ARS.jpg?width=60)
Meloidogyne incognitae0pest - Outcome
- juveniles (J2) and egg-producing adultse0
- Direction
- Moree0
- Comparator
- rye planted 1 November and wheat planted 1 November and 1 Decembere0
Organisms pictured · Representative pictures of the matched species, not figures from the paper.
_penetrates_a_tomato_root_-_USDA-ARS.jpg?width=500)
Verbatim
e0“More M. incognita juveniles (J2) and egg-producing adults were found in roots of rye planted 1 October than in roots of rye planted 1 November and wheat planted 1 November and 1 December”
Claim · model-written summary
M. incognita adults with and without egg masses were near or below detectable levels in rye planted 1 November.
- Taxon
- ryeSecale cerealee1
- Treatment
- rye planted 1 Novembere1
- Interactor
- M. incognitaMeloidogyne incognitae1pest
- Outcome
- M. incognita adults with and without egg massese1
- Qualifier
- near or below detectable levelse1
Organisms pictured · Representative pictures of the matched species, not figures from the paper.
Verbatim
e1“Numbers of M. incognita adults with and without egg masses were near or below detectable levels in roots of rye planted 1 November and wheat planted 1 November and 1 December”
Claim · model-written summary
M. incognita adults with and without egg masses were near or below detectable levels in wheat planted 1 November and 1 December.
- Taxon
- wheat
Triticum aestivume1 - Treatment
- wheat planted 1 November and 1 Decembere1
- Interactor
- M. incognitaMeloidogyne incognitae1pest
- Outcome
- M. incognita adults with and without egg massese1
- Qualifier
- near or below detectable levelse1
Organisms pictured · Representative pictures of the matched species, not figures from the paper.
Verbatim
e1“Numbers of M. incognita adults with and without egg masses were near or below detectable levels in roots of rye planted 1 November and wheat planted 1 November and 1 December”
Claim · model-written summary
Meloidogyne incognita survived mild winters in southern Georgia as J2 and eggs on rye.
- Taxon
- ryeSecale cerealee0
- Interactor
- Meloidogyne incognitaMeloidogyne incognitae2pest
- Outcome
- survived the mild winterse2
- Qualifier
- as J2 and eggse2
- Setting
- southern Georgiae2
Organisms pictured · Representative pictures of the matched species, not figures from the paper.
Verbatim
e0“More M. incognita juveniles (J2) and egg-producing adults were found in roots of rye planted 1 October than in roots of rye planted 1 November and wheat planted 1 November and 1 December”
e2“Meloidogyne incognita survived the mild winters in southern Georgia as J2 and eggs”
Claim · model-written summary
Destruction of rye and wheat as a trap crop on 1 March suppressed J2 numbers in the soil temporarily.
- Taxon
- rye and wheatSecale cerealeTriticum aestivume3
- Treatment
- destruction of rye and wheat as a trap crop 1 Marche3
- Outcome
- numbers of J2 in the soile3
- Direction
- suppressede3
- Qualifier
- temporarilye3
Not reportedComparator
Organisms pictured · Representative pictures of the matched species, not figures from the paper.
Verbatim
e3“The destruction of rye and wheat as a trap crop 1 March suppressed numbers of J2 in the soil temporarily but did not provide long-term benefits for susceptible crops that followed”
Claim · model-written summary
Destruction of rye and wheat as a trap crop gave no long-term benefit for susceptible crops that followed.
- Taxon
- rye and wheatSecale cerealeTriticum aestivume3
- Treatment
- destruction of rye and wheat as a trap crope3
- Outcome
- long-term benefits for susceptible cropse3
- Direction
- did not providee3
Not reportedComparator
Organisms pictured · Representative pictures of the matched species, not figures from the paper.
Verbatim
e3“The destruction of rye and wheat as a trap crop 1 March suppressed numbers of J2 in the soil temporarily but did not provide long-term benefits for susceptible crops that followed”
Claim · model-written summary
Delaying planting dates until soil temperature falls below the nematode penetration threshold may avoid M. incognita reproduction on rye and wheat, but no long-term benefits should be expected.
- Taxon
- rye and wheatSecale cerealeTriticum aestivume4
- Treatment
- delaying planting dates until soil temperature declines below the nematode penetration threshold (18 C)e4
- Interactor
- M. incognitaMeloidogyne incognitae4pest
- Outcome
- reproduction of M. incognitae4
- Qualifier
- no long-term benefits should be expectede4
Organisms pictured · Representative pictures of the matched species, not figures from the paper.
Verbatim
e4“In warmer areas where rye and wheat are grown in winter, reproduction of M. incognita may be avoided by delaying planting dates until soil temperature declines below the nematode penetration threshold (18 C), but no long-term benefits should be expected”
The same questions in other papers
trap barrier · pest · Triticum aestivum (wheat)Results agree
1 paper in the same direction as this paper
- positive
trap barrier · disease · Triticum aestivum (wheat)Results agree
2 papers in the same direction as this paper
- negative
- 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.