Abstract
The effect of soil drought (10 days) on the growth of plants, the accumulation of water and leakage of electrolytes, gas exchange, the contents of chl a + b and carotenoids in leaves and photochemical activity of photosystem II was studied at the seedling stage by transient fluorescent analysis in 20 of the popular varieties of polish spring wheat. Drought caused a particularly strong reduction in vigor of growth of seedlings, net photosynthesis rate and triggered an increase in electrolyte leakage from the leaves. Certain varieties during the drought demonstrated relatively intense CO2 assimilation at low water loss through transpiration. The varieties tested were significantly different in terms of tolerance to drought of the processes of gas exchange and seedlings development. Photochemical processes in PSII showed high tolerance to drought and at the same time low differentiation among varieties. The results obtained suggested that tolerance of growth parameters to drought and CO2 assimilation at the seedling stage may alleviate consequent depression of final yield of the grain.
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Claims 7
Claim · model-written summary
Drought strongly reduced wheat seedling growth vigor.
- Taxon
- Spring Wheat
Triticum aestivumt0 - Treatment
- Droughte0
- Outcome
- vigor of growth of seedlingse0
- Direction
- reductione0
Not reportedComparator
Organisms pictured · Representative pictures of the matched species, not figures from the paper.
Verbatim
e0“Drought caused a particularly strong reduction in vigor of growth of seedlings”
t0“Spring Wheat”
Claim · model-written summary
Drought strongly reduced net photosynthesis.
- Taxon
- Spring WheatTriticum aestivumt0
- Treatment
- Droughte0
- Outcome
- net photosynthesis ratee0
- Direction
- reductione0
Not reportedComparator
Organisms pictured · Representative pictures of the matched species, not figures from the paper.
Verbatim
e0“Drought caused a particularly strong reduction in vigor of growth of seedlings, net photosynthesis rate”
t0“Spring Wheat”
Claim · model-written summary
Drought increased electrolyte leakage from leaves.
- Taxon
- Spring WheatTriticum aestivumt0
- Treatment
- Droughte0
- Outcome
- electrolyte leakage from the leavese0
- Direction
- increasee0
Not reportedComparator
Organisms pictured · Representative pictures of the matched species, not figures from the paper.
Verbatim
e0“Drought caused a particularly strong reduction in vigor of growth of seedlings, net photosynthesis rate and triggered an increase in electrolyte leakage from the leaves.”
t0“Spring Wheat”
Claim · model-written summary
Some varieties maintained relatively intense CO2 assimilation with low transpiration water loss under drought.
- Taxon
- Spring WheatTriticum aestivumt0
- Material
- Certain varietiese0
- Outcome
- relatively intense CO2 assimilation at low water loss through transpiratione0
Organisms pictured · Representative pictures of the matched species, not figures from the paper.
Verbatim
e0“Certain varieties during the drought demonstrated relatively intense CO2 assimilation at low water loss through transpiration.”
t0“Spring Wheat”
Claim · model-written summary
Varieties differed significantly in drought tolerance of gas exchange and seedling development.
- Taxon
- Spring WheatTriticum aestivumt0
- Material
- varieties testede0
- Outcome
- tolerance to drought of the processes of gas exchange and seedlings developmente0
- Direction
- differente0
Organisms pictured · Representative pictures of the matched species, not figures from the paper.
Verbatim
e0“The varieties tested were significantly different in terms of tolerance to drought of the processes of gas exchange and seedlings development.”
t0“Spring Wheat”
Claim · model-written summary
PSII photochemical processes were highly drought tolerant with little variety differentiation.
- Taxon
- Spring WheatTriticum aestivumt0
- Outcome
- Photochemical processes in PSIIe0
- Direction
- high tolerancee0
- Qualifier
- low differentiation among varietiese0
Organisms pictured · Representative pictures of the matched species, not figures from the paper.
Verbatim
e0“Photochemical processes in PSII showed high tolerance to drought and at the same time low differentiation among varieties.”
t0“Spring Wheat”
Claim · model-written summary
Tolerance of growth and CO2 assimilation at seedling stage may lessen final grain yield depression.
- Taxon
- Spring WheatTriticum aestivumt0
- Organ / stage
- seedling stagee0
- Outcome
- depression of final yield of the graine0
- Direction
- alleviatee0
Organisms pictured · Representative pictures of the matched species, not figures from the paper.
Verbatim
e0“tolerance of growth parameters to drought and CO2 assimilation at the seedling stage may alleviate consequent depression of final yield of the grain.”
t0“Spring Wheat”
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