Abstract
Containerized `Lavi' muskmelon [ Cucumis melo L. (Reticulatus Group)] transplants were grown in a nursery with two irrigation systems: overhead irrigation (OI) and flotation irrigation (FI). Initially, root development was monitored during a 36-day nursery period. Thereafter, seedling root growth was monitored either in transparent containers inside a growth chamber, or through minirhizotrons placed in the field. During the nursery period, OI promoted increased early basal root growth, whereas FI promoted greater basal root elongation between 25 and 36 days after seeding (DAS). At 36 DAS leaf area, shoot fresh weight (FW) and dry weight (DW), and shoot to root ratio were greater for OI than for FI transplants, while root length and FWs and DWs were nearly the same. Total root elongation in the growth chamber was greater for FI than for OI transplants between 4 and 14 days after transplanting. Similarly, the minirhizotron measurements in the field showed a greater root length density in the uppermost layer of the soil profile for FI than for OI transplants. Overall, muskmelon transplants had greater root development initially when subjected to overhead compared to flotation irrigation in the nursery. However, during late development FI transplants appeared to have a greater capacity to regenerate roots, thus providing an adaptive mechanism to enhance postplanting root development and to withstand transplant shock in field conditions. At harvest, root length density and yield were closely similar for the plants in the two transplant irrigation treatments.
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Claims 7
Claim · model-written summary
Overhead irrigation increased early basal root growth.
- Taxon
- muskmelon
.jpg?width=60)
Cucumis melot0 - Treatment
- OIe0
- Outcome
- early basal root growthe0
- Direction
- increasede0
Not reportedComparator
Organisms pictured · Representative pictures of the matched species, not figures from the paper.
.jpg?width=500)
Verbatim
e0“OI promoted increased early basal root growth”
t0“Muskmelon Transplants”
Claim · model-written summary
Flotation irrigation increased basal root elongation at 25–36 DAS.
- Taxon
- muskmelonCucumis melot0
- Treatment
- FIe0
- Outcome
- basal root elongatione0
- Direction
- greatere0
- Qualifier
- between 25 and 36 days after seeding (DAS)e0
Not reportedComparator
Organisms pictured · Representative pictures of the matched species, not figures from the paper.
Verbatim
e0“FI promoted greater basal root elongation between 25 and 36 days after seeding (DAS)”
t0“Muskmelon Transplants”
Claim · model-written summary
At 36 DAS, overhead irrigation gave greater leaf area, shoot fresh and dry weight, and shoot to root ratio.
- Taxon
- muskmelonCucumis melot0
- Treatment
- OIe0
- Outcome
- leaf area, shoot fresh weight (FW) and dry weight (DW), and shoot to root ratioe0
- Direction
- greatere0
- Qualifier
- At 36 DASe0
- Comparator
- FIe0
Organisms pictured · Representative pictures of the matched species, not figures from the paper.
Verbatim
e0“At 36 DAS leaf area, shoot fresh weight (FW) and dry weight (DW), and shoot to root ratio were greater for OI than for FI transplants”
t0“Muskmelon Transplants”
Claim · model-written summary
At 36 DAS, root length and root fresh and dry weights were nearly the same between treatments.
- Taxon
- muskmelonCucumis melot0
- Outcome
- root length and FWs and DWse0
- Direction
- nearly the samee0
Not reportedTreatmentComparator
Organisms pictured · Representative pictures of the matched species, not figures from the paper.
Verbatim
e0“while root length and FWs and DWs were nearly the same”
t0“Muskmelon Transplants”
Claim · model-written summary
FI transplants had greater total root elongation in the growth chamber 4–14 days after transplanting.
- Taxon
- muskmelonCucumis melot0
- Treatment
- FIe0
- Outcome
- Total root elongatione0
- Direction
- greatere0
- Qualifier
- between 4 and 14 days after transplantinge0
- Comparator
- OIe0
- Setting
- growth chambere0
Organisms pictured · Representative pictures of the matched species, not figures from the paper.
Verbatim
e0“Total root elongation in the growth chamber was greater for FI than for OI transplants between 4 and 14 days after transplanting.”
t0“Muskmelon Transplants”
Claim · model-written summary
FI transplants had greater upper soil root length density in the field.
- Taxon
- muskmelonCucumis melot0
- Treatment
- FIe0
- Outcome
- root length densitye0
- Direction
- greatere0
- Qualifier
- uppermost layer of the soil profilee0
- Comparator
- OIe0
- Setting
- fielde0
Organisms pictured · Representative pictures of the matched species, not figures from the paper.
Verbatim
e0“the minirhizotron measurements in the field showed a greater root length density in the uppermost layer of the soil profile for FI than for OI transplants”
t0“Muskmelon Transplants”
Claim · model-written summary
Harvest root length density and yield were closely similar across irrigation treatments.
- Taxon
- muskmelonCucumis melot0
- Treatment
- two transplant irrigation treatmentse0
- Outcome
- root length density and yielde0
- Direction
- closely similare0
Not reportedComparator
Organisms pictured · Representative pictures of the matched species, not figures from the paper.
Verbatim
e0“At harvest, root length density and yield were closely similar for the plants in the two transplant irrigation treatments.”
t0“Muskmelon Transplants”
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