Abstract
Sugarcane ( Saccharum spp.) in Florida is increasingly exposed to periodic floods and high water tables for extended durations. We evaluated the effects of periodic flooding, followed by drainage, on morphological characteristics and cane and sugar yields of two sugarcane genotypes. From 2000–2002, experiments were conducted in lysimeters filled with Pahokee muck soil. Flooding was imposed for 7 d during five, nine, and nine 21‐d cycles in 2000, 2001, and 2002, respectively. Cycles commenced when sugarcane leaves covered the rows and were discontinued in mid‐October. Water table depths during the 14‐d drainage period of each cycle were 16, 33, or 50 cm. A fourth treatment was maintained continuously at a 50‐cm water table depth. Genotype CP 95‐1429 yields were not affected by water table or flooding. For CP 95‐1376 in periodic‐flooding treatments, lowering the water table in 1‐cm increments increased cane and sugar yields by 0.16 and 0.02 kg m −2 , respectively, in 2000 and 0.25 and 0.03 kg m −2 , respectively, in 2001. Water table depth during drainage did not affect CP 95‐1376 yields in 2002, perhaps because of a longer duration between planting and initial flooding in 2002. Each day of flooding reduced cane and sugar yields of CP 95‐1376 by 0.17 and 0.02 kg m −2 , respectively, in 2000 and by 0.21 and 0.03 kg m −2 , respectively, in 2002. Flooding might not have reduced yields of CP 95‐1429 because of its ability to form aerenchyma in the stalks before exposure to flooding. Such genotypes should be able to tolerate flooding for at least 1 wk.
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Claims 12
Claim · model-written summary
CP 95‐1429 yield did not respond to flooding or water table.
- Taxon
- Sugarcanet0
- Material
- CP 95‐1429e0
- Treatment
- water table or floodinge0
- Outcome
- yieldse0
- Direction
- not affectede0
Not reportedComparator
Verbatim
e0“Genotype CP 95‐1429 yields were not affected by water table or flooding”
t0“Sugarcane”
Claim · model-written summary
Lowering the water table raised CP 95‐1376 cane yield in 2000.
- Taxon
- Sugarcanet0
- Material
- CP 95‐1376e0
- Treatment
- lowering the water table in 1‐cm incrementse0
- Outcome
- canee0
- Direction
- increasede0
- Value
- 0.16e0
Not reportedComparator
Verbatim
e0“For CP 95‐1376 in periodic‐flooding treatments, lowering the water table in 1‐cm increments increased cane and sugar yields by 0.16 and 0.02 kg m −2 , respectively, in 2000”
t0“Sugarcane”
Claim · model-written summary
Lowering the water table raised CP 95‐1376 sugar yield in 2000.
- Taxon
- Sugarcanet0
- Material
- CP 95‐1376e0
- Treatment
- lowering the water table in 1‐cm incrementse0
- Outcome
- sugar yieldse0
- Direction
- increasede0
- Value
- 0.02 kg m −2e0
Not reportedComparator
Verbatim
e0“For CP 95‐1376 in periodic‐flooding treatments, lowering the water table in 1‐cm increments increased cane and sugar yields by 0.16 and 0.02 kg m −2 , respectively, in 2000”
t0“Sugarcane”
Claim · model-written summary
Lowering the water table raised cane yield in 2001.
- Taxon
- Sugarcanet0
- Material
- CP 95‐1376e0
- Treatment
- lowering the water table in 1‐cm incrementse0
- Outcome
- canee0
- Direction
- increasede0
- Value
- 0.25e0
Not reportedComparator
Verbatim
e0“For CP 95‐1376 in periodic‐flooding treatments, lowering the water table in 1‐cm increments increased cane and sugar yields by 0.16 and 0.02 kg m −2 , respectively, in 2000 and 0.25 and 0.03 kg m −2 , respectively, in 2001”
t0“Sugarcane”
Claim · model-written summary
Lowering the water table raised sugar yield in 2001.
- Taxon
- Sugarcanet0
- Material
- CP 95‐1376e0
- Treatment
- lowering the water table in 1‐cm incrementse0
- Outcome
- sugar yieldse0
- Direction
- increasede0
- Value
- 0.03 kg m −2e0
Not reportedComparator
Verbatim
e0“For CP 95‐1376 in periodic‐flooding treatments, lowering the water table in 1‐cm increments increased cane and sugar yields by 0.16 and 0.02 kg m −2 , respectively, in 2000 and 0.25 and 0.03 kg m −2 , respectively, in 2001”
t0“Sugarcane”
Claim · model-written summary
Drainage water table depth did not affect CP 95‐1376 yield in 2002.
- Taxon
- Sugarcanet0
- Material
- CP 95‐1376e0
- Treatment
- Water table depth during drainagee0
- Outcome
- yieldse0
- Direction
- did not affecte0
Not reportedComparator
Verbatim
e0“Water table depth during drainage did not affect CP 95‐1376 yields in 2002”
t0“Sugarcane”
Claim · model-written summary
Each flooding day reduced cane yield in 2000.
- Taxon
- Sugarcanet0
- Material
- CP 95‐1376e0
- Treatment
- Each day of floodinge0
- Outcome
- canee0
- Direction
- reducede0
- Value
- 0.17e0
Not reportedComparator
Verbatim
e0“Each day of flooding reduced cane and sugar yields of CP 95‐1376 by 0.17 and 0.02 kg m −2 , respectively, in 2000”
t0“Sugarcane”
Claim · model-written summary
Each flooding day reduced sugar yield in 2000.
- Taxon
- Sugarcanet0
- Material
- CP 95‐1376e0
- Treatment
- Each day of floodinge0
- Outcome
- sugar yieldse0
- Direction
- reducede0
- Value
- 0.02 kg m −2e0
Not reportedComparator
Verbatim
e0“Each day of flooding reduced cane and sugar yields of CP 95‐1376 by 0.17 and 0.02 kg m −2 , respectively, in 2000”
t0“Sugarcane”
Claim · model-written summary
Each flooding day reduced cane yield in 2002.
- Taxon
- Sugarcanet0
- Material
- CP 95‐1376e0
- Treatment
- Each day of floodinge0
- Outcome
- canee0
- Direction
- reducede0
- Value
- 0.21e0
Not reportedComparator
Verbatim
e0“Each day of flooding reduced cane and sugar yields of CP 95‐1376 by 0.17 and 0.02 kg m −2 , respectively, in 2000 and by 0.21 and 0.03 kg m −2 , respectively, in 2002”
t0“Sugarcane”
Claim · model-written summary
Each flooding day reduced sugar yield in 2002.
- Taxon
- Sugarcanet0
- Material
- CP 95‐1376e0
- Treatment
- Each day of floodinge0
- Outcome
- sugar yieldse0
- Direction
- reducede0
- Value
- 0.03 kg m −2e0
Not reportedComparator
Verbatim
e0“Each day of flooding reduced cane and sugar yields of CP 95‐1376 by 0.17 and 0.02 kg m −2 , respectively, in 2000 and by 0.21 and 0.03 kg m −2 , respectively, in 2002”
t0“Sugarcane”
Claim · model-written summary
Authors attribute CP 95‐1429 flood tolerance to preexisting stalk aerenchyma.
Verbatim
e0“Flooding might not have reduced yields of CP 95‐1429 because of its ability to form aerenchyma in the stalks before exposure to flooding”
t0“Sugarcane”
Claim · model-written summary
Authors suggest such genotypes tolerate at least one week of flooding.
Verbatim
e0“Such genotypes should be able to tolerate flooding for at least 1 wk”
t0“Sugarcane”
The same questions in other papers
flooding · yield · Saccharum officinarum (sugarcane)Results differ
3 papers in the same direction as this paper · 4 in the opposite direction
- positive
- positive
- no effect
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See all 8 papers →soil water · yield · Saccharum officinarum (sugarcane)Positive and negative results
4 papers in the same direction as this paper · 4 in the opposite direction
- no effect
- negative
- no effect
5 papers more in this group
See all 9 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.