Abstract
A 6-yr (1987–1992) experiment, continuous on the same site, evaluated potential problems for yield, nematodes and diseases with tomatoes (Lycopersicon esculentum Mill.) grown in a strip-till system. Treatments consisted of conventional tillage (CT) and strip tillage (ST), rye (Secale cereale L.), wheat (Triticum aestivum L.) and perennial ryegrass (Lolium perenne L.) cover crops and a 2-yr rye-tomato rotation. Results of the first 5 yr indicated a decrease in tomato yield over time for both tillage treatments and cover crops. However, yield rebounded overall for treatments in 1992 with the highest yield in the rye-tomato rotation. We suspect this was a result of high populations of root-knot nematodes which collapsed over the winter of 1991/1992. Tomato yields were lower following wheat and perennial ryegrass than rye. In only 1 yr out of 6, strip-tillage reduced yield compared with conventional tillage. Bacterial speck/spot symptoms on foliage, although minor, were significantly greater in ST than in CT plots during the last 3 yr. No major trends in incidence and severity of bacterial and fungal diseases and of disorders of fruit were evident during the 5-yr period and neither fruit yield nor quality were significantly affected by these factors. Root-knot nematodes (Meloidogyne hapla Chitwood) were numerically less in the rye-tomato rotation than in other treatments; both root-knot and root lesion nematodes (Pratylenchus penetrans [Cobb]) tended to be less numerous under CT than under ST. Strip-tillage is feasible for machine harvest processing tomatoes. However, we are concerned about the tendency of tomatoes grown under reduced tillage to have lower yields than those grown under conventional tillage. More work is required on the interactions of cultivars, cover crops and nematodes in soil conservation systems. Key words: Tomato, bacterial speck/spot, foliar diseases, root-knot nematodes, root lesion nematodes, tillage
Abstract from the paper’s OpenAlex record, shown for indexing and research. Copyright remains with the authors or the publisher. Read at the source ↗
The text the model read, with the source record’s inline markup (italics, sub- and superscripts) rendered and its character entities decoded; quote offsets refer to the raw text.
Claims 13
Claim · model-written summary
Tomato yield decreased over time for both tillage treatments and cover crops in the first five years.
- Taxon
- tomato
Solanum lycopersicumt0 - Treatment
- tillage treatments and cover cropse0
- Outcome
- tomato yielde0
- Direction
- decreasee0
Organisms pictured · Representative pictures of the matched species, not figures from the paper.
Verbatim
t0“strip-tillage on tomato yield”
e0“Results of the first 5 yr indicated a decrease in tomato yield over time for both tillage treatments and cover crops”
Claim · model-written summary
The rye-tomato rotation gave the highest tomato yield in 1992, when yields rebounded.
- Taxon
- tomatoSolanum lycopersicumt0
- Treatment
- rye-tomato rotatione1
- Outcome
- yielde1
- Direction
- higheste1
- Qualifier
- in 1992e1
Not reportedComparator
Organisms pictured · Representative pictures of the matched species, not figures from the paper.
Verbatim
t0“strip-tillage on tomato yield”
e1“yield rebounded overall for treatments in 1992 with the highest yield in the rye-tomato rotation”
Claim · model-written summary
The authors suspect that the 1992 tomato yield rebound resulted from high root-knot nematode populations that collapsed over the winter.
- Taxon
- tomatoSolanum lycopersicumt0
- Interactor
- root-knot nematodes
_penetrates_a_tomato_root_-_USDA-ARS.jpg?width=60)
Meloidogynee2pest - Outcome
- yield reboundede1
- Qualifier
- high populations of root-knot nematodese2
Organisms pictured · Representative pictures of the matched species, not figures from the paper.
_penetrates_a_tomato_root_-_USDA-ARS.jpg?width=500)
Verbatim
t0“strip-tillage on tomato yield”
e1“yield rebounded overall for treatments in 1992 with the highest yield in the rye-tomato rotation”
e2“We suspect this was a result of high populations of root-knot nematodes which collapsed over the winter of 1991/1992”
Claim · model-written summary
Tomato yields were lower after wheat and perennial ryegrass cover crops than after rye.
- Taxon
- tomatoSolanum lycopersicumt0
- Treatment
- wheat and perennial ryegrasse3
- Outcome
- yieldse3
- Direction
- lowere3
- Comparator
- ryee3
Organisms pictured · Representative pictures of the matched species, not figures from the paper.
Verbatim
t0“strip-tillage on tomato yield”
e3“Tomato yields were lower following wheat and perennial ryegrass than rye”
Claim · model-written summary
In only one of six years strip tillage reduced tomato yield compared with conventional tillage.
- Taxon
- tomatoSolanum lycopersicumt0
- Treatment
- strip-tillagee4
- Outcome
- yielde4
- Direction
- reducede4
- Qualifier
- In only 1 yr out of 6e4
- Comparator
- conventional tillagee4
Organisms pictured · Representative pictures of the matched species, not figures from the paper.
Verbatim
t0“strip-tillage on tomato yield”
e4“In only 1 yr out of 6, strip-tillage reduced yield compared with conventional tillage”
Claim · model-written summary
Bacterial speck/spot symptoms on tomato foliage, although minor, were significantly greater under strip tillage than under conventional tillage during the last three years.
- Taxon
- tomatoSolanum lycopersicumt0
- Treatment
- STe5
- Outcome
- Bacterial speck/spot symptoms on foliagee5
- Direction
- greatere5
- Qualifier
- although minore5
- Comparator
- CTe5
Organisms pictured · Representative pictures of the matched species, not figures from the paper.
Verbatim
t0“strip-tillage on tomato yield”
e5“Bacterial speck/spot symptoms on foliage, although minor, were significantly greater in ST than in CT plots during the last 3 yr”
Claim · model-written summary
No major trends in incidence and severity of bacterial and fungal diseases and of fruit disorders were evident over the five-year period.
- Taxon
- tomatoSolanum lycopersicumt0
- Outcome
- incidence and severity of bacterial and fungal diseases and of disorders of fruite6
- Qualifier
- No major trendse6
Organisms pictured · Representative pictures of the matched species, not figures from the paper.
Verbatim
t0“strip-tillage on tomato yield”
e6“No major trends in incidence and severity of bacterial and fungal diseases and of disorders of fruit were evident during the 5-yr period”
Claim · model-written summary
Neither fruit yield nor fruit quality was significantly affected by the factors studied.
- Taxon
- tomatoSolanum lycopersicumt0
- Outcome
- fruit yield nor qualitye7
- Qualifier
- significantly affected by these factorse7
Organisms pictured · Representative pictures of the matched species, not figures from the paper.
Verbatim
t0“strip-tillage on tomato yield”
e7“neither fruit yield nor quality were significantly affected by these factors”
Claim · model-written summary
Root-knot nematodes were numerically lower in the rye-tomato rotation than in the other treatments.
- Taxon
- tomatoSolanum lycopersicumt0
- Treatment
- rye-tomato rotatione1
- Interactor
- Meloidogyne hapla
Meloidogyne haplae1pest - Outcome
- Root-knot nematodese1
- Direction
- numerically lesse1
- Comparator
- other treatmentse1
Organisms pictured · Representative pictures of the matched species, not figures from the paper.
Verbatim
t0“strip-tillage on tomato yield”
e1“Root-knot nematodes (Meloidogyne hapla Chitwood) were numerically less in the rye-tomato rotation than in other treatments”
Claim · model-written summary
Root-knot nematodes tended to be less numerous under conventional tillage than under strip tillage.
- Taxon
- tomatoSolanum lycopersicumt0
- Treatment
- CTe1
- Interactor
- Meloidogyne haplaMeloidogyne haplae0pest
- Outcome
- root-knot nematodese0
- Direction
- less numerouse1
- Comparator
- STe1
Organisms pictured · Representative pictures of the matched species, not figures from the paper.
Verbatim
t0“strip-tillage on tomato yield”
e1“both root-knot and root lesion nematodes (Pratylenchus penetrans [Cobb]) tended to be less numerous under CT than under ST”
e0“Root-knot nematodes (Meloidogyne hapla Chitwood) were numerically less in the rye-tomato rotation than in other treatments”
Claim · model-written summary
Root lesion nematodes tended to be less numerous under conventional tillage than under strip tillage.
- Taxon
- tomatoSolanum lycopersicumt0
- Treatment
- CTe1
- Interactor
- Pratylenchus penetrans
Pratylenchus penetranse1pest - Outcome
- root lesion nematodese1
- Direction
- less numerouse1
- Comparator
- STe1
Organisms pictured · Representative pictures of the matched species, not figures from the paper.
Verbatim
t0“strip-tillage on tomato yield”
e1“both root-knot and root lesion nematodes (Pratylenchus penetrans [Cobb]) tended to be less numerous under CT than under ST”
Claim · model-written summary
Strip tillage is feasible for machine harvest of processing tomatoes.
Verbatim
e0“Strip-tillage is feasible for machine harvest processing tomatoes”
Claim · model-written summary
Tomatoes grown under reduced tillage tend to have lower yields than those under conventional tillage.
- Taxon
- tomatoesSolanum lycopersicume0
- Treatment
- reduced tillagee0
- Outcome
- yieldse0
- Direction
- lowere0
- Comparator
- conventional tillagee0
Organisms pictured · Representative pictures of the matched species, not figures from the paper.
Verbatim
t0“strip-tillage on tomato yield”
e0“we are concerned about the tendency of tomatoes grown under reduced tillage to have lower yields than those grown under conventional tillage”
The same questions in other papers
Lolium perenne · yield · Solanum lycopersicum (tomato)Positive and negative results
1 paper in the same direction as this paper · 1 in the opposite direction
- positive
- negative
Triticum aestivum · yield · Solanum lycopersicum (tomato)Positive and negative results
4 papers in the same direction as this paper · 6 in the opposite direction
- positive
- positive
- positive
7 papers more in this group
See all 11 papers →tillage · disease · Solanum lycopersicum (tomato)Positive and negative results
2 papers in the same direction as this paper · 5 in the opposite direction
- positive
- positive
- positive
4 papers more in this group
See all 8 papers →rotation · yield · Solanum lycopersicum (tomato)Positive and negative results
11 papers in the same direction as this paper · 1 in the opposite direction · 1 reporting no difference from an alternative
- no effect
- no effect
- positive
10 papers more in this group
See all 14 papers →tillage · yield · Solanum lycopersicum (tomato)Positive and negative results
15 papers in the same direction as this paper · 40 in the opposite direction
- positive
- positive
- positive
52 papers more in this group
See all 56 papers →rotation · Meloidogyne hapla · Solanum lycopersicum (tomato)Results agree
1 paper in the same direction as this paper
- positive
tillage · Pratylenchus penetrans · Solanum lycopersicum (tomato)Results agree
1 paper in the same direction as this paper
- positive
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.