Abstract
Crops with resistance or tolerance to the root-knot nematode, Meloidogyne incognita race 4, were evaluated for management of plant-parasitic nematodes in organic cotton production for five consecutive seasons. During the first two summers, Sesamum indicum L. (sesame), Tagetes erecta L. (marigold), Crotalaria juncea L. (sunn hemp), Avena sativa L. (oat), and Gossypium hirsutum L. (cotton) were grown. During the winter, oat followed sesame, marigold, sunn hemp, and one of the cotton regimes, while the summer oat was followed by Crambe abyssinica Hochst. ex R.E. Fries (Abyssinian crambe) during spring. The other cotton regime was left fallow during the winter. During the third summer, cotton was grown in all the rotations. The results showed that rotations such as sesame/oat, marigold/oat, and sunn hemp/oat can be beneficial in reducing M. incognita race 4 population densities. Pratylenchus zeae population densities increased following sunn hemp in summer. Cotton is not a good host for this lesion nematode species. Cotton in the sesame/oat rotation gave a higher yield than in the other rotations. Development of effective crop rotation systems becomes difficult when crop choices increase and fields are infested with multiple plant-parasitic nematode species
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Claims 7
Claim · model-written summary
Sesame/oat rotation reduced M. incognita race 4 density.
- Taxon
- cotton
Gossypium hirsutumt0 - Treatment
- sesame/oate0
- Interactor
- M. incognita race 4
_penetrates_a_tomato_root_-_USDA-ARS.jpg?width=60)
Meloidogyne incognitae0pathogen - Outcome
- M. incognita race 4 population densitiese0
- Direction
- reducinge0
Not reportedComparator
Organisms pictured · Representative pictures of the matched species, not figures from the paper.
_penetrates_a_tomato_root_-_USDA-ARS.jpg?width=500)
Verbatim
e0“The results showed that rotations such as sesame/oat, marigold/oat, and sunn hemp/oat can be beneficial in reducing M. incognita race 4 population densities.”
t0“COTTON”
Claim · model-written summary
Marigold/oat rotation reduced M. incognita race 4 density.
- Taxon
- cottonGossypium hirsutumt0
- Treatment
- marigold/oate0
- Interactor
- M. incognita race 4Meloidogyne incognitae0pathogen
- Outcome
- M. incognita race 4 population densitiese0
- Direction
- reducinge0
Not reportedComparator
Organisms pictured · Representative pictures of the matched species, not figures from the paper.
Verbatim
e0“The results showed that rotations such as sesame/oat, marigold/oat, and sunn hemp/oat can be beneficial in reducing M. incognita race 4 population densities.”
t0“COTTON”
Claim · model-written summary
Sunn hemp/oat rotation reduced M. incognita race 4 density.
- Taxon
- cottonGossypium hirsutumt0
- Treatment
- sunn hemp/oate0
- Interactor
- M. incognita race 4Meloidogyne incognitae0pathogen
- Outcome
- M. incognita race 4 population densitiese0
- Direction
- reducinge0
Not reportedComparator
Organisms pictured · Representative pictures of the matched species, not figures from the paper.
Verbatim
e0“The results showed that rotations such as sesame/oat, marigold/oat, and sunn hemp/oat can be beneficial in reducing M. incognita race 4 population densities.”
t0“COTTON”
Claim · model-written summary
Pratylenchus zeae density increased following sunn hemp.
- Taxon
- cottonGossypium hirsutumt0
- Treatment
- sunn hempe0
- Interactor
- Pratylenchus zeae
Pratylenchus zeaee0pathogen - Outcome
- Pratylenchus zeae population densitiese0
- Direction
- increasede0
Not reportedComparator
Organisms pictured · Representative pictures of the matched species, not figures from the paper.
Verbatim
e0“Pratylenchus zeae population densities increased following sunn hemp in summer.”
t0“COTTON”
Claim · model-written summary
Cotton was a poor host for the lesion nematode.
- Taxon
- cottonGossypium hirsutumt0
- Outcome
- not a good hoste0
Organisms pictured · Representative pictures of the matched species, not figures from the paper.
Verbatim
e0“Cotton is not a good host for this lesion nematode species.”
t0“COTTON”
Claim · model-written summary
Cotton yield was higher after sesame/oat than after other rotations.
- Taxon
- cottonGossypium hirsutumt0
- Treatment
- sesame/oat rotatione0
- Outcome
- yielde0
- Direction
- highere0
- Comparator
- the other rotationse0
Organisms pictured · Representative pictures of the matched species, not figures from the paper.
Verbatim
e0“Cotton in the sesame/oat rotation gave a higher yield than in the other rotations.”
t0“COTTON”
Claim · model-written summary
Multiple nematode species complicate effective crop rotation design.
- Taxon
- cottonGossypium hirsutumt0
- Outcome
- Development of effective crop rotation systems becomes difficulte0
- Qualifier
- fields are infested with multiple plant-parasitic nematode speciese0
Organisms pictured · Representative pictures of the matched species, not figures from the paper.
Verbatim
e0“Development of effective crop rotation systems becomes difficult when crop choices increase and fields are infested with multiple plant-parasitic nematode species”
t0“COTTON”
The same questions in other papers
Sesamum indicum · yield · Gossypium hirsutum (cotton)Positive and negative results
3 papers in the same direction as this paper · 2 in the opposite direction
- negative
- negative
- positive
2 papers more in this group
See all 6 papers →rotation · yield · Gossypium hirsutum (cotton)Positive and negative results
25 papers in the same direction as this paper · 12 in the opposite direction · 5 reporting no difference from an alternative
- no effect
- negative
- negative
39 papers more in this group
See all 43 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.