Abstract
A study on heat tolerance in sweet pepper was conducted at the Asian Vegetable Research and Development Centre (AVRDC), Taiwan from December 1999 to May 2000. Experiments were carried out to investigate the influence of 29/23°C and 24/18°C stress on 12 sweet pepper genotypes on growth, development, reproductive behaviour and yield potentialities and to verify the results of the phytotron study. Performance of 12 sweet pepper genotypes was evaluated under two different temperature regimes of 24/18° C and 29/23° C in the phytotron. Plant height was found higher at 29/23° C compared to 24/18° C. High temperature reduced percent fruit set as well as size of fruits. Individual fruit weight was higher (7.44-125.00 g) when grown at 24/18°C and lower (5.35-103.80 g) at 29/23°C. Out of 12 genotypes, SP00l, SP002, SP004, and SP012 performed poor in respect of per plant yield at higher temperature compared to the lower temperature. So, these four genotypes were considered to be heat sensitive than the others. Leaf proline content of the sensitive genotypes decreased under the high temperature conditions and the heat tolerant lines produced higher amount of proline indicating the role of proline in expressing the heat tolerant capability of sweet pepper genotypes concerned. Keywords: High temperature stress; performance; sweet pepper. DOI: 10.3329/bjar.v35i3.6459Bangladesh J. Agril. Res. 35(3) : 525-534
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Claims 8
Claim · model-written summary
Plant height of sweet pepper was higher at 29/23° C than at 24/18° C.
- Taxon
- sweet pepper
Capsicum annuumt0 - Treatment
- 29/23° Ce0
- Outcome
- Plant heighte0
- Direction
- highere0
- Comparator
- 24/18° Ce0
Organisms pictured · Representative pictures of the matched species, not figures from the paper.
Verbatim
t0“twelve sweet pepper genotypes”
e0“Plant height was found higher at 29/23° C compared to 24/18° C”
Claim · model-written summary
High temperature reduced percent fruit set and fruit size of sweet pepper.
- Taxon
- sweet pepperCapsicum annuumt0
- Treatment
- High temperaturee1
- Outcome
- percent fruit set as well as size of fruitse1
- Direction
- reducede1
Not reportedComparator
Organisms pictured · Representative pictures of the matched species, not figures from the paper.
Verbatim
t0“twelve sweet pepper genotypes”
e1“High temperature reduced percent fruit set as well as size of fruits”
Claim · model-written summary
Individual fruit weight of sweet pepper was higher at 24/18°C.
- Taxon
- sweet pepperCapsicum annuumt0
- Treatment
- 24/18°Ce2
- Outcome
- Individual fruit weighte2
- Direction
- highere2
- Value
- 7.44-125.00 ge2
- Comparator
- 29/23°Ce3
Organisms pictured · Representative pictures of the matched species, not figures from the paper.
Verbatim
t0“twelve sweet pepper genotypes”
e2“Individual fruit weight was higher (7.44-125.00 g) when grown at 24/18°C”
e3“and lower (5.35-103.80 g) at 29/23°C”
Claim · model-written summary
Individual fruit weight of sweet pepper was lower at 29/23°C.
- Taxon
- sweet pepperCapsicum annuumt0
- Treatment
- 29/23°Ce3
- Outcome
- Individual fruit weighte2
- Direction
- lowere3
- Value
- 5.35-103.80 ge3
- Comparator
- 24/18°Ce2
Organisms pictured · Representative pictures of the matched species, not figures from the paper.
Verbatim
t0“twelve sweet pepper genotypes”
e2“Individual fruit weight was higher (7.44-125.00 g) when grown at 24/18°C”
e3“and lower (5.35-103.80 g) at 29/23°C”
Claim · model-written summary
Four sweet pepper genotypes performed poorly in per plant yield at higher temperature and were considered heat sensitive.
- Taxon
- sweet pepperCapsicum annuumt0
- Material
- SP00l, SP002, SP004, and SP012e4
- Treatment
- higher temperaturee4
- Outcome
- per plant yielde4
- Direction
- poore4
- Qualifier
- heat sensitivee5
- Comparator
- lower temperaturee4
Organisms pictured · Representative pictures of the matched species, not figures from the paper.
Verbatim
t0“twelve sweet pepper genotypes”
e4“SP00l, SP002, SP004, and SP012 performed poor in respect of per plant yield at higher temperature compared to the lower temperature”
e5“these four genotypes were considered to be heat sensitive than the others”
Claim · model-written summary
Leaf proline content of the sensitive sweet pepper genotypes decreased under high temperature.
- Taxon
- sweet pepperCapsicum annuumt0
- Material
- sensitive genotypese6
- Organ / stage
- Leafe6
- Treatment
- high temperature conditionse6
- Outcome
- Leaf proline contente6
- Direction
- decreasede6
Not reportedComparator
Organisms pictured · Representative pictures of the matched species, not figures from the paper.
Verbatim
t0“twelve sweet pepper genotypes”
e6“Leaf proline content of the sensitive genotypes decreased under the high temperature conditions”
Claim · model-written summary
Heat tolerant sweet pepper lines produced a higher amount of proline.
- Taxon
- sweet pepperCapsicum annuume7
- Material
- heat tolerant linese7
- Outcome
- amount of prolinee7
- Direction
- highere7
Organisms pictured · Representative pictures of the matched species, not figures from the paper.
Verbatim
t0“twelve sweet pepper genotypes”
e7“the heat tolerant lines produced higher amount of proline indicating the role of proline in expressing the heat tolerant capability of sweet pepper genotypes concerned”
Claim · model-written summary
Proline is associated with the heat tolerant capability of sweet pepper.
- Taxon
- sweet pepperCapsicum annuume7
- Compound
- prolinee7
- Outcome
- heat tolerant capabilitye7
Organisms pictured · Representative pictures of the matched species, not figures from the paper.
Verbatim
t0“twelve sweet pepper genotypes”
e7“the heat tolerant lines produced higher amount of proline indicating the role of proline in expressing the heat tolerant capability of sweet pepper genotypes concerned”
The same questions in other papers
heat · yield · Capsicum annuum (sweet pepper)Positive and negative results
4 papers in the same direction as this paper · 4 in the opposite direction
- positive
- positive
- positive
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.