Abstract
Abstract To investigate the influence of deficit irrigation on the root-knot nematode, Meloidogyne javanica , and its interaction with the eggplant crop, field experiments were conducted at two drip-irrigated agricultural areas in Jordan. Effects of limiting irrigation levels to 80, 60, 40 and 20% of the field capacity (FC) were compared with full irrigation (100%) treatment. Growth of eggplant plants was greatly reduced at irrigation levels of 40 and 20% FC at one field location, suggesting that the influence of deficit irrigation is field-dependant. Fruit yield was similar at all irrigation levels, except at 20% level, where a lower yield was noticed compared to 100% irrigation. Root galling of eggplant caused by the nematode was significantly lower at irrigation levels of 20 and 40% than 80 and 100% of FC, but was field-dependant at 60% of FC. The final nematode population was obviously lower at irrigation levels of 20, 40 and 60% than 80 and 100%. Thus, deficit irrigation to levels of 40 or 60% of FC can be utilised for the management of M. javanica infection in eggplant under field conditions.
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Claims 7
Claim · model-written summary
Growth of eggplant was greatly reduced at 40 and 20% of field capacity at one field location, compared with full irrigation.
- Taxon
- eggplant
Solanum melongenae2 - Treatment
- irrigation levels of 40 and 20% FCe2
- Interactor
- Meloidogyne javanicaMeloidogyne javanicae3pathogen
- Outcome
- Growthe2
- Direction
- reducede2
- Comparator
- full irrigation (100%)e1
- Setting
- one field locatione2
Organisms pictured · Representative pictures of the matched species, not figures from the paper.
Verbatim
e2“Growth of eggplant plants was greatly reduced at irrigation levels of 40 and 20% FC at one field location”
e1“Effects of limiting irrigation levels to 80, 60, 40 and 20% of the field capacity (FC) were compared with full irrigation (100%) treatment”
e3“To investigate the influence of deficit irrigation on the root-knot nematode, Meloidogyne javanica , and its interaction with the eggplant crop”
Claim · model-written summary
Fruit yield of eggplant was similar at all irrigation levels.
- Taxon
- eggplantSolanum melongenae2
- Outcome
- Fruit yielde3
- Qualifier
- similar at all irrigation levelse3
Organisms pictured · Representative pictures of the matched species, not figures from the paper.
Verbatim
e2“Growth of eggplant plants was greatly reduced at irrigation levels of 40 and 20% FC at one field location”
e3“Fruit yield was similar at all irrigation levels, except at 20% level, where a lower yield was noticed compared to 100% irrigation”
Claim · model-written summary
Fruit yield of eggplant was lower at 20% irrigation level than at 100% irrigation.
- Taxon
- eggplantSolanum melongenae2
- Treatment
- 20% levele3
- Outcome
- Fruit yielde3
- Direction
- lowere3
- Comparator
- 100% irrigatione3
Organisms pictured · Representative pictures of the matched species, not figures from the paper.
Verbatim
e2“Growth of eggplant plants was greatly reduced at irrigation levels of 40 and 20% FC at one field location”
e3“Fruit yield was similar at all irrigation levels, except at 20% level, where a lower yield was noticed compared to 100% irrigation”
Claim · model-written summary
Root galling of eggplant caused by the nematode was significantly lower at 20 and 40% irrigation levels than at 80 and 100% of field capacity.
- Taxon
- eggplantSolanum melongenae4
- Treatment
- irrigation levels of 20 and 40%e4
- Outcome
- Root gallinge4
- Direction
- lowere4
- Comparator
- 80 and 100% of FCe4
Organisms pictured · Representative pictures of the matched species, not figures from the paper.
Verbatim
e4“Root galling of eggplant caused by the nematode was significantly lower at irrigation levels of 20 and 40% than 80 and 100% of FC”
Claim · model-written summary
Root galling of eggplant at 60% of field capacity was field-dependent.
- Taxon
- eggplantSolanum melongenae4
- Treatment
- 60% of FCe5
- Outcome
- Root gallinge4
- Qualifier
- field-dependante5
Not reportedComparatorDirection
Organisms pictured · Representative pictures of the matched species, not figures from the paper.
Verbatim
e4“Root galling of eggplant caused by the nematode was significantly lower at irrigation levels of 20 and 40% than 80 and 100% of FC”
e5“but was field-dependant at 60% of FC”
Claim · model-written summary
The final nematode population was lower at 20, 40 and 60% irrigation levels than at 80 and 100%.
- Taxon
- eggplantSolanum melongenae2
- Treatment
- irrigation levels of 20, 40 and 60%e6
- Interactor
- Meloidogyne javanicaMeloidogyne javanicae3pathogen
- Outcome
- final nematode populatione6
- Direction
- lowere6
- Comparator
- 80 and 100%e6
Organisms pictured · Representative pictures of the matched species, not figures from the paper.
Verbatim
e2“Growth of eggplant plants was greatly reduced at irrigation levels of 40 and 20% FC at one field location”
e6“The final nematode population was obviously lower at irrigation levels of 20, 40 and 60% than 80 and 100%”
e3“To investigate the influence of deficit irrigation on the root-knot nematode, Meloidogyne javanica , and its interaction with the eggplant crop”
Claim · model-written summary
Deficit irrigation to 40 or 60% of field capacity can be used for managing M. javanica infection in eggplant under field conditions.
- Taxon
- eggplantSolanum melongenae7
- Treatment
- deficit irrigation to levels of 40 or 60% of FCe7
- Interactor
- M. javanicaMeloidogyne javanicae7pathogen
- Outcome
- management of M. javanica infectione7
Organisms pictured · Representative pictures of the matched species, not figures from the paper.
Verbatim
e7“Thus, deficit irrigation to levels of 40 or 60% of FC can be utilised for the management of M. javanica infection in eggplant under field conditions”
The same questions in other papers
irrigation · Meloidogyne javanica · Solanum melongena (eggplant)Results agree
2 papers in the same direction as this paper
- positive
- 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.