Abstract
Straw mulch reduced the number of Colorado potato beetle, Leptinotarsa decemlineata (Say), larvae on potato during the first generation, and reduced the proportion of stems that were more than 50% defoliated compared to unmulched and unirrigated control plots. Leaf mulch and trickle irrigation did not affect number of larvae or the proportion of heavily defoliated plants compared to the control. None of the treatments significantly affected the number of adults per stem until the end of the first generation and none affected the number of egg masses, so the straw mulch must affect mortality or development of eggs and larvae. Both types of mulch and trickle irrigation increased yield relative to the control, perhaps due to lower soil temperature in a hot, dry year.
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Claims 9
Claim · model-written summary
Straw mulch reduced the number of Colorado potato beetle larvae on potato during the first generation.
- Taxon
- potato
Solanum tuberosume1 - Treatment
- Straw mulche1
- Interactor
- Leptinotarsa decemlineata
Leptinotarsa decemlineatae1pest - Outcome
- number of Colorado potato beetle, Leptinotarsa decemlineata (Say), larvaee1
- Direction
- reducede1
- Qualifier
- during the first generatione1
- Comparator
- unmulched and unirrigated control plotse2
Organisms pictured · Representative pictures of the matched species, not figures from the paper.
Verbatim
e1“Straw mulch reduced the number of Colorado potato beetle, Leptinotarsa decemlineata (Say), larvae on potato during the first generation”
e2“compared to unmulched and unirrigated control plots”
Claim · model-written summary
Straw mulch reduced the proportion of potato stems more than 50% defoliated.
- Taxon
- potatoSolanum tuberosume1
- Treatment
- Straw mulche1
- Outcome
- proportion of stems that were more than 50% defoliatede3
- Direction
- reducede3
- Value
- 50%e3
- Comparator
- unmulched and unirrigated control plotse2
Organisms pictured · Representative pictures of the matched species, not figures from the paper.
Verbatim
e1“Straw mulch reduced the number of Colorado potato beetle, Leptinotarsa decemlineata (Say), larvae on potato during the first generation”
e2“compared to unmulched and unirrigated control plots”
e3“reduced the proportion of stems that were more than 50% defoliated”
Claim · model-written summary
Leaf mulch did not affect the number of larvae or the proportion of heavily defoliated potato plants.
- Taxon
- potatoSolanum tuberosume1
- Treatment
- Leaf mulche4
- Outcome
- number of larvae or the proportion of heavily defoliated plantse4
- Direction
- did not affecte4
- Comparator
- the controle4
Organisms pictured · Representative pictures of the matched species, not figures from the paper.
Verbatim
e1“Straw mulch reduced the number of Colorado potato beetle, Leptinotarsa decemlineata (Say), larvae on potato during the first generation”
e4“Leaf mulch and trickle irrigation did not affect number of larvae or the proportion of heavily defoliated plants compared to the control”
Claim · model-written summary
Trickle irrigation did not affect the number of larvae or the proportion of heavily defoliated potato plants.
- Taxon
- potatoSolanum tuberosume1
- Treatment
- trickle irrigatione4
- Outcome
- number of larvae or the proportion of heavily defoliated plantse4
- Direction
- did not affecte4
- Comparator
- the controle4
Organisms pictured · Representative pictures of the matched species, not figures from the paper.
Verbatim
e1“Straw mulch reduced the number of Colorado potato beetle, Leptinotarsa decemlineata (Say), larvae on potato during the first generation”
e4“Leaf mulch and trickle irrigation did not affect number of larvae or the proportion of heavily defoliated plants compared to the control”
Claim · model-written summary
No treatment significantly affected the number of adults per potato stem until the end of the first generation.
- Taxon
- potatoSolanum tuberosume1
- Treatment
- the treatmentse5
- Outcome
- number of adults per steme5
- Direction
- significantly affectede5
- Qualifier
- until the end of the first generatione5
Not reportedComparator
Organisms pictured · Representative pictures of the matched species, not figures from the paper.
Verbatim
e1“Straw mulch reduced the number of Colorado potato beetle, Leptinotarsa decemlineata (Say), larvae on potato during the first generation”
e5“None of the treatments significantly affected the number of adults per stem until the end of the first generation”
Claim · model-written summary
No treatment affected the number of egg masses on potato.
- Taxon
- potatoSolanum tuberosume1
- Treatment
- the treatmentse5
- Outcome
- number of egg massese6
- Direction
- affectede6
Not reportedComparator
Organisms pictured · Representative pictures of the matched species, not figures from the paper.
Verbatim
e1“Straw mulch reduced the number of Colorado potato beetle, Leptinotarsa decemlineata (Say), larvae on potato during the first generation”
e5“None of the treatments significantly affected the number of adults per stem until the end of the first generation”
e6“and none affected the number of egg masses, so the straw mulch must affect mortality or development of eggs and larvae”
Claim · model-written summary
Straw mulch likely affects mortality or development of beetle eggs and larvae.
- Taxon
- potatoSolanum tuberosume1
- Treatment
- straw mulche6
- Outcome
- mortality or development of eggs and larvaee6
Organisms pictured · Representative pictures of the matched species, not figures from the paper.
Verbatim
e1“Straw mulch reduced the number of Colorado potato beetle, Leptinotarsa decemlineata (Say), larvae on potato during the first generation”
e6“and none affected the number of egg masses, so the straw mulch must affect mortality or development of eggs and larvae”
Claim · model-written summary
Both types of mulch increased potato yield relative to the control.
- Taxon
- potatoSolanum tuberosume1
- Treatment
- Both types of mulche7
- Outcome
- yielde7
- Direction
- increasede7
- Qualifier
- perhaps due to lower soil temperature in a hot, dry yeare2
- Comparator
- the controle7
Organisms pictured · Representative pictures of the matched species, not figures from the paper.
Verbatim
e1“Straw mulch reduced the number of Colorado potato beetle, Leptinotarsa decemlineata (Say), larvae on potato during the first generation”
e7“Both types of mulch and trickle irrigation increased yield relative to the control”
e2“perhaps due to lower soil temperature in a hot, dry year”
Claim · model-written summary
Trickle irrigation increased potato yield relative to the control.
- Taxon
- potatoSolanum tuberosume1
- Treatment
- trickle irrigatione7
- Outcome
- yielde7
- Direction
- increasede7
- Qualifier
- perhaps due to lower soil temperature in a hot, dry yeare2
- Comparator
- the controle7
Organisms pictured · Representative pictures of the matched species, not figures from the paper.
Verbatim
e1“Straw mulch reduced the number of Colorado potato beetle, Leptinotarsa decemlineata (Say), larvae on potato during the first generation”
e7“Both types of mulch and trickle irrigation increased yield relative to the control”
e2“perhaps due to lower soil temperature in a hot, dry year”
The same questions in other papers
mulching · yield · Solanum tuberosum (potato)Results differ
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- no effect
- positive
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See all 64 papers →irrigation · yield · Solanum tuberosum (potato)Results differ
74 papers in the same direction as this paper · 16 in the opposite direction · 1 reporting no difference from an alternative
- no effect
- no effect
- negative
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See all 92 papers →irrigation · pest · Solanum tuberosum (potato)Positive and negative results
2 papers in the same direction as this paper · 5 in the opposite direction
- positive
- positive
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See all 8 papers →mulching · pest · Solanum tuberosum (potato)Positive and negative results
3 papers in the same direction as this paper · 12 in the opposite direction
- positive
- positive
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12 papers more in this group
See all 16 papers →organic · Leptinotarsa decemlineata · Solanum tuberosum (potato)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.