Abstract
【Objective】The study was done in order to establish a method for convenient,economical and mass reproduction of root-knot nematodes Meloidogyne spp..【Method】Assays were designed and carried out to evaluate root growth indices of Ipomoea aquatica,Solanum tuberosum and Lycopersicon esculentum inoculated with or without root-knot nematodes in sand planting.【Result】The results showed that after planting the three plants in sand for 30 days,root system of S.tuberosum was the strongest,followed by the I.aquatica and that of L.esculentum was the weakest.The root system of I.aquatica had the longest period,10 months.Inoculating 1 000 juveniles of Meloidogyne incognita each plant and letting the plants grow for another 50 days,the number of the root knobs,egg masses and total nematodes in root system of I.aquatica was 866.8,864.4 and 1 592.2 respectively,much higher than those from S.tuberosum(651.6,643.4 and 1 106.0) and L.esculentum(222.6,234.0 and 373.8).In addition,M.javanica and M.arenaria were also inoculated to I.aquatica roots,and the results were similar with M.incognita.【Conclusion】I.aquatica was very adapted to sand watering with nutrient fluid,and had a longer growth cycle and was easy to be controlled,so I.aquatica was a good choice to reproduce in quantity and could preserve root-knot nematodes for longer time.
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Claims 10
Claim · model-written summary
After 30 days in sand, the root system of S.tuberosum was the strongest, followed by I.aquatica.
- Taxon
- S.tuberosum
Solanum tuberosume1 - Outcome
- root systeme1
- Direction
- strongeste1
- Comparator
- I.aquaticae1
- Setting
- in sande1
Organisms pictured · Representative pictures of the matched species, not figures from the paper.
Verbatim
e1“after planting the three plants in sand for 30 days,root system of S.tuberosum was the strongest,followed by the I.aquatica and that of L.esculentum was the weakest”
Claim · model-written summary
After 30 days in sand, the root system of L.esculentum was the weakest of the three plants.
- Taxon
- L.esculentum
Solanum lycopersicume1 - Outcome
- root systeme1
- Direction
- weakeste1
- Comparator
- S.tuberosume1
- Setting
- in sande1
Organisms pictured · Representative pictures of the matched species, not figures from the paper.
Verbatim
e1“after planting the three plants in sand for 30 days,root system of S.tuberosum was the strongest,followed by the I.aquatica and that of L.esculentum was the weakest”
Claim · model-written summary
The root system of I.aquatica had the longest period, 10 months.
- Taxon
- I.aquatica
Ipomoea aquaticae2 - Organ / stage
- root systeme2
- Outcome
- periode2
- Direction
- longeste2
- Value
- 10 monthse2
Organisms pictured · Representative pictures of the matched species, not figures from the paper.
Verbatim
e2“The root system of I.aquatica had the longest period,10 months”
Claim · model-written summary
After inoculation with Meloidogyne incognita, I.aquatica had more root knobs (866.8) than S.tuberosum (651.6).
- Taxon
- I.aquaticaIpomoea aquaticae3
- Treatment
- Inoculating 1 000 juveniles of Meloidogyne incognita each plante3
- Interactor
- Meloidogyne incognita
_penetrates_a_tomato_root_-_USDA-ARS.jpg?width=60)
Meloidogyne incognitae3pathogen - Outcome
- number of the root knobse3
- Direction
- much highere3
- Value
- 866.8e3
- Comparator
- S.tuberosume3
Organisms pictured · Representative pictures of the matched species, not figures from the paper.
_penetrates_a_tomato_root_-_USDA-ARS.jpg?width=500)
Verbatim
e3“Inoculating 1 000 juveniles of Meloidogyne incognita each plant and letting the plants grow for another 50 days,the number of the root knobs,egg masses and total nematodes in root system of I.aquatica was 866.8,864.4 and 1 592.2 respectively,much higher than those from S.tuberosum(651.6,643.4 and 1 106.0) and L.esculentum(222.6,234.0 and 373.8)”
Claim · model-written summary
After inoculation with Meloidogyne incognita, I.aquatica had more egg masses (864.4) than S.tuberosum (643.4).
- Taxon
- I.aquaticaIpomoea aquaticae3
- Treatment
- Inoculating 1 000 juveniles of Meloidogyne incognita each plante3
- Interactor
- Meloidogyne incognitaMeloidogyne incognitae3pathogen
- Outcome
- egg massese3
- Direction
- much highere3
- Value
- 864.4e3
- Comparator
- S.tuberosume3
Organisms pictured · Representative pictures of the matched species, not figures from the paper.
Verbatim
e3“Inoculating 1 000 juveniles of Meloidogyne incognita each plant and letting the plants grow for another 50 days,the number of the root knobs,egg masses and total nematodes in root system of I.aquatica was 866.8,864.4 and 1 592.2 respectively,much higher than those from S.tuberosum(651.6,643.4 and 1 106.0) and L.esculentum(222.6,234.0 and 373.8)”
Claim · model-written summary
After inoculation with Meloidogyne incognita, I.aquatica had more total nematodes (1 592.2) than S.tuberosum (1 106.0).
- Taxon
- I.aquaticaIpomoea aquaticae3
- Treatment
- Inoculating 1 000 juveniles of Meloidogyne incognita each plante3
- Interactor
- Meloidogyne incognitaMeloidogyne incognitae3pathogen
- Outcome
- total nematodese3
- Direction
- much highere3
- Value
- 1 592.2e3
- Comparator
- S.tuberosume3
Organisms pictured · Representative pictures of the matched species, not figures from the paper.
Verbatim
e3“Inoculating 1 000 juveniles of Meloidogyne incognita each plant and letting the plants grow for another 50 days,the number of the root knobs,egg masses and total nematodes in root system of I.aquatica was 866.8,864.4 and 1 592.2 respectively,much higher than those from S.tuberosum(651.6,643.4 and 1 106.0) and L.esculentum(222.6,234.0 and 373.8)”
Claim · model-written summary
Inoculation of M.javanica and M.arenaria on I.aquatica roots gave results similar to those of M.incognita.
- Taxon
- I.aquaticaIpomoea aquaticae4
- Interactor
- M.javanicaMeloidogyne javanicae4pathogen
- Second interactor
- M.arenaria
.jpg?width=60)
Meloidogyne arenariae4pathogen - Outcome
- the resultse4
- Direction
- similare4
- Comparator
- M.incognitae4
Organisms pictured · Representative pictures of the matched species, not figures from the paper.
.jpg?width=500)
Verbatim
e4“M.javanica and M.arenaria were also inoculated to I.aquatica roots,and the results were similar with M.incognita”
Claim · model-written summary
I.aquatica is a good choice to reproduce root-knot nematodes in quantity and can preserve them for longer.
- Taxon
- I.aquaticaIpomoea aquaticae5
- Outcome
- reproduce in quantity and could preserve root-knot nematodes for longer timee5
Organisms pictured · Representative pictures of the matched species, not figures from the paper.
Verbatim
e5“so I.aquatica was a good choice to reproduce in quantity and could preserve root-knot nematodes for longer time”
Claim · model-written summary
I.aquatica was very adapted to sand watering with nutrient fluid.
- Taxon
- I.aquaticaIpomoea aquaticae6
- Treatment
- sand watering with nutrient fluide6
- Outcome
- very adapted to sand watering with nutrient fluide6
Not reportedDirection
Organisms pictured · Representative pictures of the matched species, not figures from the paper.
Verbatim
e6“I.aquatica was very adapted to sand watering with nutrient fluid,and had a longer growth cycle and was easy to be controlled”
Claim · model-written summary
I.aquatica had a longer growth cycle and was easy to control.
- Taxon
- I.aquaticaIpomoea aquaticae6
- Outcome
- longer growth cycle and was easy to be controllede6
- Direction
- longere6
Organisms pictured · Representative pictures of the matched species, not figures from the paper.
Verbatim
e6“I.aquatica was very adapted to sand watering with nutrient fluid,and had a longer growth cycle and was easy to be controlled”