Abstract
Three replicate blocks were installed for high-, medium-, and low-frequency irrigation, providing the equivalent of 25 mm, 8.75 mm, or 5.5 mm of daily rainfall, respectively. For three ornamental plants potted in 2.5-L pots, three container designs were tested: traditional drainholes located at the base of the sidewall (0% water storage), drainholes raised on the sidewall to provide 20% water storage (based on a water-filled pot), or drainholes raised on the sidewall to provide 40% water storage. The experiment was a 3 irrigation frequency × 3 container design factorial treatment arrangement within a randomized complete-block design using 10 representative plants of each species within each of three replicate blocks. The largest Ilex `Hetzii', Rhododendron `Hino Crimson', and Geranium `Claridge Druce' were grown using high-frequency irrigation with 0% water storage or using medium-frequency irrigation with 20% water storage. Geranium shoot weight was significantly less only when grown using low-frequency irrigation in containers with 0% water storage, or when grown using high-frequency irrigation in containers with 40% water storage. Of the three species tested, only Ilex `Hetzii' grew roots below the level of the raised drainholes, with these roots exhibiting thickened, enlarged diameters.
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Claims 6
Claim · model-written summary
The largest Ilex Hetzii were grown under high-frequency irrigation with no water storage or medium-frequency irrigation with 20% storage.
- Material
- Hetziie0
- Treatment
- high-frequency irrigation with 0% water storagee0
- Outcome
- largeste0
- Direction
- largeste0
- Comparator
- medium-frequency irrigation with 20% water storagee0
.jpg?width=60){kind=small}
IlexOrganisms pictured · Representative pictures of the matched species, not figures from the paper.
.jpg?width=500)
Verbatim
e0“The largest Ilex `Hetzii', Rhododendron `Hino Crimson', and Geranium `Claridge Druce' were grown using high-frequency irrigation with 0% water storage or using medium-frequency irrigation with 20% water storage.”
Claim · model-written summary
The largest Rhododendron Hino Crimson were grown under high-frequency irrigation with no storage or medium-frequency irrigation with 20% storage.
- Taxon
- Rhododendron
Rhododendrone0 - Material
- Hino Crimsone0
- Treatment
- high-frequency irrigation with 0% water storagee0
- Outcome
- largeste0
- Direction
- largeste0
- Comparator
- medium-frequency irrigation with 20% water storagee0
Organisms pictured · Representative pictures of the matched species, not figures from the paper.
Verbatim
e0“The largest Ilex `Hetzii', Rhododendron `Hino Crimson', and Geranium `Claridge Druce' were grown using high-frequency irrigation with 0% water storage or using medium-frequency irrigation with 20% water storage.”
Claim · model-written summary
The largest Geranium Claridge Druce were grown under high-frequency irrigation with no storage or medium-frequency irrigation with 20% storage.
- Material
- Claridge Drucee0
- Treatment
- high-frequency irrigation with 0% water storagee0
- Outcome
- largeste0
- Direction
- largeste0
- Comparator
- medium-frequency irrigation with 20% water storagee0
GeraniumOrganisms pictured · Representative pictures of the matched species, not figures from the paper.
Verbatim
e0“The largest Ilex `Hetzii', Rhododendron `Hino Crimson', and Geranium `Claridge Druce' were grown using high-frequency irrigation with 0% water storage or using medium-frequency irrigation with 20% water storage.”
Claim · model-written summary
Geranium shoot weight was significantly lower under low-frequency irrigation with no storage.
- Treatment
- low-frequency irrigation in containers with 0% water storagee0
- Outcome
- Geranium shoot weighte0
- Direction
- lesse0
Not reportedComparator
Organisms pictured · Representative pictures of the matched species, not figures from the paper.
Verbatim
e0“Geranium shoot weight was significantly less only when grown using low-frequency irrigation in containers with 0% water storage, or when grown using high-frequency irrigation in containers with 40% water storage.”
Claim · model-written summary
Geranium shoot weight was significantly lower under high-frequency irrigation with 40% storage.
- Treatment
- high-frequency irrigation in containers with 40% water storagee0
- Outcome
- Geranium shoot weighte0
- Direction
- lesse0
Not reportedComparator
Organisms pictured · Representative pictures of the matched species, not figures from the paper.
Verbatim
e0“Geranium shoot weight was significantly less only when grown using low-frequency irrigation in containers with 0% water storage, or when grown using high-frequency irrigation in containers with 40% water storage.”
Claim · model-written summary
Only Ilex Hetzii grew thickened roots below raised drainholes.
- Material
- Hetziie0
- Organ / stage
- rootse0
- Outcome
- grew roots below the level of the raised drainholes, with these roots exhibiting thickened, enlarged diameterse0
Organisms pictured · Representative pictures of the matched species, not figures from the paper.
Verbatim
e0“Of the three species tested, only Ilex `Hetzii' grew roots below the level of the raised drainholes, with these roots exhibiting thickened, enlarged diameters.”
The same questions in other papers
irrigation · growth · GeraniumPositive 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 →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.