Abstract
Seed tubers of `Yukon Gold' (Solanum tuberosum L.) exhibit strong apical dominance, resulting in relatively poor stem emergence. Cutting seed tubers to overcome apical dominance in `Yukon Gold' results in irregular, uneven stem emergence. In 1992 and 1993, experiments were conducted to evaluate the effects of dehaulming (excising stems to ground level after field emergence) whole, cross- and longitudinal-cut seed tubers of `Yukon Gold' on canopy growth and tuber yield. For all seed piece types, dehaulming during the first week of field emergence produced uniform plant stands and increased yields of U.S. no. 1 tubers by 16 and 42% and large tubers (> 6.4 cm dia.) by 340 and 64% in 1992 and 1993, respectively. Our data indicate that tuber bulking rate was increased by dehaulming. The possible causes and implications of increased tuber bulking rates in dehaulmed potato plants are discussed.
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Claims 8
Claim · model-written summary
Yukon Gold seed tubers show strong apical dominance and relatively poor stem emergence.
- Taxon
- Solanum tuberosum L.
Solanum tuberosume0 - Material
- `Yukon Gold'e0
- Organ / stage
- Seed tuberse0
- Outcome
- relatively poor stem emergencee0
Organisms pictured · Representative pictures of the matched species, not figures from the paper.
Verbatim
e0“Seed tubers of `Yukon Gold' (Solanum tuberosum L.) exhibit strong apical dominance, resulting in relatively poor stem emergence”
Claim · model-written summary
Cutting Yukon Gold seed tubers resulted in irregular, uneven stem emergence.
- Taxon
- Solanum tuberosum L.Solanum tuberosume1
- Material
- `Yukon Gold'e0
- Treatment
- Cutting seed tuberse0
- Outcome
- stem emergencee0
- Direction
- irregular, unevene0
Not reportedComparator
Organisms pictured · Representative pictures of the matched species, not figures from the paper.
Verbatim
e0“Cutting seed tubers to overcome apical dominance in `Yukon Gold' results in irregular, uneven stem emergence”
e1“Solanum tuberosum L.”
Claim · model-written summary
Dehaulming produced uniform plant stands across seed piece types.
- Taxon
- Solanum tuberosum L.Solanum tuberosume1
- Treatment
- dehaulming during the first week of field emergencee0
- Outcome
- uniform plant standse0
Not reportedComparatorDirection
Organisms pictured · Representative pictures of the matched species, not figures from the paper.
Verbatim
e0“For all seed piece types, dehaulming during the first week of field emergence produced uniform plant stands”
e1“Solanum tuberosum L.”
Claim · model-written summary
Dehaulming increased U.S. no. 1 tuber yield by 16% in 1992.
- Taxon
- Solanum tuberosum L.Solanum tuberosume1
- Treatment
- dehaulminge2
- Outcome
- yields of U.S. no. 1 tuberse0
- Direction
- increasede0
- Value
- 16e0
Not reportedComparator
Organisms pictured · Representative pictures of the matched species, not figures from the paper.
Verbatim
e0“increased yields of U.S. no. 1 tubers by 16 and 42%”
e1“Solanum tuberosum L.”
e2“For all seed piece types, dehaulming during the first week of field emergence produced uniform plant stands”
Claim · model-written summary
Dehaulming increased U.S. no. 1 tuber yield by 42% in 1993.
- Taxon
- Solanum tuberosum L.Solanum tuberosume1
- Treatment
- dehaulminge2
- Outcome
- yields of U.S. no. 1 tuberse0
- Direction
- increasede0
- Value
- 42%e0
Not reportedComparator
Organisms pictured · Representative pictures of the matched species, not figures from the paper.
Verbatim
e0“increased yields of U.S. no. 1 tubers by 16 and 42%”
e1“Solanum tuberosum L.”
e2“For all seed piece types, dehaulming during the first week of field emergence produced uniform plant stands”
Claim · model-written summary
Dehaulming increased large tuber yield by 340% in 1992.
- Taxon
- Solanum tuberosum L.Solanum tuberosume2
- Treatment
- dehaulminge1
- Outcome
- large tuberse0
- Direction
- increasede1
- Value
- 340e0
Not reportedComparator
Organisms pictured · Representative pictures of the matched species, not figures from the paper.
Verbatim
e0“large tubers (> 6.4 cm dia.) by 340 and 64% in 1992 and 1993, respectively”
e1“dehaulming during the first week of field emergence produced uniform plant stands and increased yields”
e2“Solanum tuberosum L.”
Claim · model-written summary
Dehaulming increased large tuber yield by 64% in 1993.
- Taxon
- Solanum tuberosum L.Solanum tuberosume2
- Treatment
- dehaulminge1
- Outcome
- large tuberse0
- Direction
- increasede1
- Value
- 64%e0
Not reportedComparator
Organisms pictured · Representative pictures of the matched species, not figures from the paper.
Verbatim
e0“large tubers (> 6.4 cm dia.) by 340 and 64% in 1992 and 1993, respectively”
e1“dehaulming during the first week of field emergence produced uniform plant stands and increased yields”
e2“Solanum tuberosum L.”
Claim · model-written summary
Dehaulming increased tuber bulking rate.
- Taxon
- Solanum tuberosum L.Solanum tuberosume1
- Treatment
- dehaulminge0
- Outcome
- tuber bulking ratee0
- Direction
- increasede0
Not reportedComparator
Organisms pictured · Representative pictures of the matched species, not figures from the paper.
Verbatim
e0“tuber bulking rate was increased by dehaulming”
e1“Solanum tuberosum L.”
The same questions in other papers
pruning · growth · Solanum tuberosum (potato)Results agree
1 paper in the same direction as this paper
- negative
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.