Abstract
Abstract The degree of crop sensitivity to water deficit, during the different developmental stages of a plant, is an important aspect to consider in tropical semiarid regions. The effect of water deficit on flowering dynamics and fruit production of sweet pepper ( Capsicum chinense ) was evaluated under several water regimes, during three consecutive years. A complete randomized block design with three replicates was employed. Flowering dynamics and fruit production were measured weekly, and water potentials were obtained twice during the experiments. For all years, flowering began at approximately 70 days after transplanting. In the most favourable year (trial 1996), there were no differences in total flower and fruit production in terms of irrigation frequency. For the other less favourable years, flowering and fruit production were significantly different between irrigation frequencies. Our results show that low water availability, prior to flowering, reduces the number of flowers produced and retards the occurrence of maximum flowering. On the other hand, a water deficit during the period between flowering and fruit development reduces final fruit production. This suggests that a water deficit during this last stage affects final yield to a greater extent.
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Claims 9
Claim · model-written summary
Flowering began about 70 days after transplanting in all years.
- Taxon
- Capsicum chinense
.jpg?width=60)
Capsicum chinenset0 - Outcome
- flowering begane0
- Value
- approximately 70 days after transplantinge0
Organisms pictured · Representative pictures of the matched species, not figures from the paper.
.jpg?width=500)
Verbatim
e0“flowering began at approximately 70 days after transplanting”
t0“Capsicum chinense”
Claim · model-written summary
In 1996, total flower production did not differ by irrigation frequency.
- Taxon
- Capsicum chinenseCapsicum chinenset0
- Treatment
- irrigation frequencye0
- Outcome
- total flowere0
- Direction
- no differencese0
Not reportedComparator
Organisms pictured · Representative pictures of the matched species, not figures from the paper.
Verbatim
t0“Capsicum chinense”
e0“In the most favourable year (trial 1996), there were no differences in total flower and fruit production in terms of irrigation frequency.”
Claim · model-written summary
In 1996, fruit production did not differ by irrigation frequency.
- Taxon
- Capsicum chinenseCapsicum chinenset0
- Treatment
- irrigation frequencye0
- Outcome
- fruit productione0
- Direction
- no differencese0
Not reportedComparator
Organisms pictured · Representative pictures of the matched species, not figures from the paper.
Verbatim
t0“Capsicum chinense”
e0“In the most favourable year (trial 1996), there were no differences in total flower and fruit production in terms of irrigation frequency.”
Claim · model-written summary
In less favourable years, flowering differed significantly between irrigation frequencies.
- Taxon
- Capsicum chinenseCapsicum chinenset0
- Treatment
- irrigation frequenciese0
- Outcome
- floweringe0
Not reportedDirection
Organisms pictured · Representative pictures of the matched species, not figures from the paper.
Verbatim
t0“Capsicum chinense”
e0“For the other less favourable years, flowering and fruit production were significantly different between irrigation frequencies.”
Claim · model-written summary
In less favourable years, fruit production differed significantly between irrigation frequencies.
- Taxon
- Capsicum chinenseCapsicum chinenset0
- Treatment
- irrigation frequenciese0
- Outcome
- fruit productione0
Not reportedDirection
Organisms pictured · Representative pictures of the matched species, not figures from the paper.
Verbatim
t0“Capsicum chinense”
e0“For the other less favourable years, flowering and fruit production were significantly different between irrigation frequencies.”
Claim · model-written summary
Low water before flowering reduced flower number.
- Taxon
- Capsicum chinenseCapsicum chinenset0
- Treatment
- low water availabilitye0
- Outcome
- number of flowers producede0
- Direction
- reducese0
Not reportedComparator
Organisms pictured · Representative pictures of the matched species, not figures from the paper.
Verbatim
t0“Capsicum chinense”
e0“low water availability, prior to flowering, reduces the number of flowers produced”
Claim · model-written summary
Low water before flowering delayed maximum flowering.
- Taxon
- Capsicum chinenseCapsicum chinenset0
- Treatment
- low water availabilitye0
- Outcome
- occurrence of maximum floweringe0
- Direction
- retardse0
Not reportedComparator
Organisms pictured · Representative pictures of the matched species, not figures from the paper.
Verbatim
t0“Capsicum chinense”
e0“low water availability, prior to flowering, reduces the number of flowers produced and retards the occurrence of maximum flowering”
Claim · model-written summary
Water deficit between flowering and fruit development reduced final fruit production.
- Taxon
- Capsicum chinenseCapsicum chinenset0
- Treatment
- water deficit during the period between flowering and fruit developmente0
- Outcome
- final fruit productione0
- Direction
- reducese0
Not reportedComparator
Organisms pictured · Representative pictures of the matched species, not figures from the paper.
Verbatim
t0“Capsicum chinense”
e0“a water deficit during the period between flowering and fruit development reduces final fruit production”
Claim · model-written summary
The authors suggest that deficit during fruit development affects final yield more strongly.
- Taxon
- Capsicum chinenseCapsicum chinenset0
- Outcome
- final yielde0
- Direction
- greater extente0
Organisms pictured · Representative pictures of the matched species, not figures from the paper.
Verbatim
t0“Capsicum chinense”
e0“This suggests that a water deficit during this last stage affects final yield to a greater extent.”
The same questions in other papers
drought · yield · Capsicum chinense (habanero)Results differ
1 paper in the same direction as this paper
- no effect
irrigation · yield · Capsicum chinense (habanero)Positive and negative results
3 in the opposite direction
- positive
- positive
- positive
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.