Abstract
The effects of storage temperature and shoot preparation of elephant ears ( Colocasia antiquorum `Illustris') were examined to determine how to successfully store plants prior to greenhouse forcing. A series of experiments were conducted that provided storage temperatures of 4, 7, 10, 13, or 16 °C (39.2, 44.6, 50.0, 55.4, or 60.8 °F), and plants were placed into storage with the shoots uncut or cut to 3.0 cm (1.18 inches) above the surface of the growing medium. The storage duration ranged from 40 to 49 days. All plants stored at 4 or 7 °C died. Plant survival was 89% to 100% at 10 °C, while plant survival was 100% at 13 or 16 °C. Shoot emergence and plant growth was faster following storage at 13 and 16 °C, than storage at 10 °C. Storage at 16 °C resulted in leaf growth occurring during storage, which was undesirable. Removing shoots prior to storage had no effect on plant survival and performance during forcing. A fungicide drench with iprodione immediately prior to storage did not improve plant survival. This study suggests that 13 °C is near the base temperature for leaf development of elephant ears, thus the plants survive at this temperature with no growth occurring. Shoot removal prior to storage is recommended in order to optimize storage room space.
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Claims 11
Claim · model-written summary
All plants stored at 4 or 7 °C died.
Not reportedTaxonComparatorDirection
Verbatim
e0“All plants stored at 4 or 7 °C died”
Claim · model-written summary
Survival at 10 °C was 89% to 100%.
Not reportedTaxonComparatorDirection
Verbatim
e0“Plant survival was 89% to 100% at 10 °C”
Claim · model-written summary
Survival at 13 or 16 °C was 100%.
Not reportedTaxonComparatorDirection
Verbatim
e0“plant survival was 100% at 13 or 16 °C”
Claim · model-written summary
Shoot emergence was faster after storage at 13 and 16 °C than at 10 °C.
Not reportedTaxon
Verbatim
e0“Shoot emergence and plant growth was faster following storage at 13 and 16 °C, than storage at 10 °C”
Claim · model-written summary
Plant growth was faster after storage at 13 and 16 °C than at 10 °C.
Not reportedTaxon
Verbatim
e0“Shoot emergence and plant growth was faster following storage at 13 and 16 °C, than storage at 10 °C”
Claim · model-written summary
Storage at 16 °C caused unwanted leaf growth during storage.
Not reportedTaxonComparatorDirection
Verbatim
e0“Storage at 16 °C resulted in leaf growth occurring during storage, which was undesirable”
Claim · model-written summary
Shoot removal had no effect on survival.
Not reportedTaxonComparator
Verbatim
e0“Removing shoots prior to storage had no effect on plant survival and performance during forcing”
Claim · model-written summary
Shoot removal had no effect on forcing performance.
Not reportedTaxonComparator
Verbatim
e0“Removing shoots prior to storage had no effect on plant survival and performance during forcing”
Claim · model-written summary
Iprodione drench did not improve survival.
Not reportedTaxonComparator
Verbatim
e0“A fungicide drench with iprodione immediately prior to storage did not improve plant survival”
Claim · model-written summary
The authors suggest 13 °C is near the base temperature for elephant ear leaf development.
- Taxon
- elephant earsElliptio crassidense0
- Outcome
- base temperature for leaf developmente0
- Qualifier
- 13 °Ce0
Verbatim
e0“13 °C is near the base temperature for leaf development of elephant ears”
Claim · model-written summary
Shoot removal before storage is recommended to optimize room space.
- Outcome
- Shoot removal prior to storagee0
Not reportedTaxon
Verbatim
e0“Shoot removal prior to storage is recommended in order to optimize storage room space”