Claim · model-written summary
Foliar 2% potassium during the vegetative and reproductive stages increased canola chlorophyll b by 1.26% and 1.80% relative to 0% K.
- Taxon
- canola
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Brassica napus var. napuse1 - Treatment
- K was applied at the rate of 2%e1
- Outcome
- chlorophyll be2
- Direction
- increasede1
- Value
- 1.26% and 1.80%e2
- Qualifier
- during vegetative and reproductive stagese1
- Comparator
- 0% Ke3
Not reportedMaterialGeneCompoundOrgan / stageInteractorInteractor roleSecond interactorSecond interactor roleSetting
Organisms pictured · Representative pictures of the matched species, not figures from the paper.
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Verbatim
e1“were also increased where K was applied at the rate of 2% during vegetative and reproductive stages of canola”
e2“chlorophyll b (1.26% and 1.80%)”
e3“two treatments of foliar potassium application i.e., 0% K and 2% K”
Title
Foliar applied potassium stimulate drought tolerance in canola under water deficit conditions
Ejaz Ahmad Waraich; Farhan Rashid; Zahoor Ahmad; et al. Journal of Plant Nutrition 2020. doi:10.1080/01904167.2020.1758132
Other claims from this paper (13)
- Intervention effect Drought caused a significant decrease in all parameters studied in canola compared with the 100% field capacity level.
- Intervention effect Foliar 2% potassium at both stages raised canola water potential by 0.24% and 0.23% relative to 0% K.
- Intervention effect Foliar 2% potassium at both stages raised canola osmotic potential by 0.12% and 0.11% relative to 0% K.
- Intervention effect Foliar 2% potassium at both stages raised canola turgor pressure by 0.66% and 0.58% relative to 0% K.
- Intervention effect Foliar 2% potassium during the vegetative and reproductive stages increased canola chlorophyll a by 0.25% and 0.28% relative to 0% K.
- Intervention effect Foliar 2% potassium during the vegetative and reproductive stages increased canola leaf carotenoid contents by 0.20% and 0.62% relative to 0% K.
- Intervention effect Foliar 2% potassium raised canola leaf photosynthetic rate to 13.11 and 15.96 µmol CO2 m−2 s−1 at the two stages relative to 0% K.
- Intervention effect Foliar 2% potassium raised canola transpiration rate to 5.36 and 5.54 µmol CO2 m−2 s−1 at the two stages relative to 0% K.
- Intervention effect Foliar 2% potassium raised canola stomatal conductance to 0.22 and 0.26 µmol CO2 m−2 s−1 at the two stages relative to 0% K.
- Intervention effect Foliar potassium under water deficit increased canola thousand seed weight by 1.03% and 1.03% at the two stages relative to 0% K.
- Intervention effect Foliar potassium under water deficit increased canola seed yield by 0.58% and 0.58% at the two stages relative to 0% K.
- Intervention effect Foliar potassium under water deficit increased canola biological yield by 0.35% and 0.38% at the two stages relative to 0% K.
- Observation The canola genotype Shiralae showed significant improvement over all other genotypes under both normal and water deficit conditions.