Claim · model-written summary
Heat stress reduced hundred-seed weight by 1.1% per °C increase in temperature over the control.
- Taxon
- soybean
Glycine maxe1 - Treatment
- per °C increase in temperaturee2
- Outcome
- hundred-seed weighte2
- Direction
- reductione2
- Value
- 1.1%e2
- Comparator
- the controle2
Not reportedMaterialGeneCompoundOrgan / stageInteractorInteractor roleSecond interactorSecond interactor roleSettingQualifier
Organisms pictured · Representative pictures of the matched species, not figures from the paper.
Verbatim
e1“In this study, ten soybean cultivars were exposed to temperatures 4.6 °C above the optimum (32 °C) from the R1 to R6 stages”
e2“The results revealed a significant reduction in pod number (3.8%), pod weight (4%), seed number (4.2%), seed weight (5%), and hundred-seed weight (1.1%) per °C increase in temperature over the control”
Title
Sadikshya Poudel; Bikash Adhikari; Jagman Dhillon; et al. Plant Stress 2023. doi:10.1016/j.stress.2023.100195
Other claims from this paper (17)
- Intervention effect Across cultivars, heat stress decreased stomatal conductance by 11% compared with the control.
- Intervention effect Cultivar R01-416F had the maximum increase in stomatal conductance (34%) under heat stress relative to the control.
- Intervention effect Cultivar R01-416F had the least increase in canopy temperature (+2 °C) under heat stress relative to the control.
- Intervention effect Heat-stressed plants recorded a 3% reduction in chlorophyll content.
- Intervention effect Cultivar DM 45 × 61 had the greatest decline in chlorophyll content (22%) under heat stress.
- Intervention effect Across cultivars, specific leaf area decreased by 17% under heat stress.
- Intervention effect Cultivar G4620RX had the highest reduction in specific leaf area (28%) under heat stress.
- Intervention effect Heat stress reduced pod number by 3.8% per °C increase in temperature over the control.
- Intervention effect Heat stress reduced pod weight by 4% per °C increase in temperature over the control.
- Intervention effect Heat stress reduced seed number by 4.2% per °C increase in temperature over the control.
- Intervention effect Heat stress reduced seed weight by 5% per °C increase in temperature over the control.
- Intervention effect Cultivar R15-2422 showed a relatively smaller reduction in seed number under heat stress.
- Intervention effect Cultivar LS5009X showed a relatively smaller reduction in seed number under heat stress.
- Intervention effect Cultivar R01-416F had the highest reduction in seed protein (4.4%) under heat stress compared with the control.
- Intervention effect Cultivar R01-416F recorded a 16.6% increase in oil under heat stress compared with the control.
- Intervention effect Based on its phenotypic plasticity index, cultivar R15-2422 is expected to maintain higher yields under hot conditions.
- Intervention effect Based on its phenotypic plasticity index, cultivar LS5009XS is expected to maintain higher yields under hot conditions.