Abstract
— Wheat plants at meiosis were subjected in a growth chamber to treatments combining 2 levels of temper- atures (15/18C and 1.5/8C night/day) and 2 levels of radiation (203 26 and 11 1 μmol m -2 s -1 photosynthetic photon flux density). Pollen viability at anthesis (fluorochromatic reaction) decreased in response to low radiation, but was not affected by chilling. There was no interaction between radiation and temperature. Varieties Moulin and Pernel had qualitatively the same response, but Moulin was more sensitive. These results were validated in 2 field experi- ments on Pernel. In the first, plants were exposed to -2C for 1 h on 3 consecutive days at different stages around meiosis. Cooling slightly reduced grain set, but there was no difference in the sensitivity of the developmental stages.
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Claims 6
Claim · model-written summary
Low radiation decreased wheat pollen viability at anthesis.
- Taxon
- wheat
Triticum aestivumt0 - Organ / stage
- anthesise0
- Treatment
- low radiatione0
- Outcome
- Pollen viabilitye0
- Direction
- decreasede0
Not reportedComparator
Organisms pictured · Representative pictures of the matched species, not figures from the paper.
Verbatim
e0“Pollen viability at anthesis (fluorochromatic reaction) decreased in response to low radiation”
t0“in wheat”
Claim · model-written summary
Chilling did not affect wheat pollen viability at anthesis.
- Taxon
- wheatTriticum aestivumt0
- Treatment
- chillinge0
- Outcome
- Pollen viabilitye0
- Direction
- was not affectede0
Not reportedComparator
Organisms pictured · Representative pictures of the matched species, not figures from the paper.
Verbatim
e0“Pollen viability at anthesis (fluorochromatic reaction) decreased in response to low radiation, but was not affected by chilling.”
t0“in wheat”
Claim · model-written summary
Radiation and temperature showed no interaction for pollen viability.
- Taxon
- wheatTriticum aestivumt0
- Treatment
- radiation and temperaturee0
- Outcome
- Pollen viabilitye1
- Direction
- no interactione0
Organisms pictured · Representative pictures of the matched species, not figures from the paper.
Verbatim
e0“There was no interaction between radiation and temperature.”
e1“Pollen viability at anthesis”
t0“in wheat”
Claim · model-written summary
Moulin was more sensitive than Pernel to the tested conditions.
- Taxon
- wheatTriticum aestivumt0
- Material
- Mouline0
- Outcome
- more sensitivee0
- Direction
- more sensitivee0
- Comparator
- Pernele0
Organisms pictured · Representative pictures of the matched species, not figures from the paper.
Verbatim
e0“Varieties Moulin and Pernel had qualitatively the same response, but Moulin was more sensitive.”
t0“in wheat”
Claim · model-written summary
Cooling slightly reduced wheat grain set in field experiments on Pernel.
- Taxon
- wheatTriticum aestivumt0
- Material
- Pernele0
- Treatment
- Coolinge0
- Outcome
- grain sete0
- Direction
- reducede0
- Setting
- field experi- mentse0
Not reportedComparator
Organisms pictured · Representative pictures of the matched species, not figures from the paper.
Verbatim
e0“These results were validated in 2 field experi- ments on Pernel. In the first, plants were exposed to -2C for 1 h on 3 consecutive days at different stages around meiosis. Cooling slightly reduced grain set”
t0“in wheat”
Claim · model-written summary
Developmental stages around meiosis did not differ in sensitivity to cooling.
- Taxon
- wheatTriticum aestivumt0
- Organ / stage
- different stages around meiosise1
- Outcome
- sensitivity of the developmental stagese0
- Direction
- no differencee0
Organisms pictured · Representative pictures of the matched species, not figures from the paper.
Verbatim
e0“there was no difference in the sensitivity of the developmental stages.”
e1“different stages around meiosis”
t0“in wheat”
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