Abstract
The development of cultivars with the ability to germinate under high salt stress would be useful in the reclamation of saline soils. One of the major problems has been the development of uniform, repeatable methods for selecting for the ability to germinate under salt stress conditions. Our objectives were to determine if agar could be successfully used as a saline medium to rapidly screen large numbers of alfalfa ( Medicago sativa L.) seeds for ability to germinate under salt stress, and if progress through selection could be made for this trait. Seeds from 15 different alfalfa cultivars were germinated on agar containing varying concentrations of NaCl. Significant differences among the cultivars were observed for ability to germinate under salt stress. Selection within ‘Ladak 65’ at 1.75% NaCl in the agar medium resulted in a 3.75 fold increase in germination at that salt concentration. Selection within Ladak 65 using NaCl on blotters did not improve germination on saline agar.
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Claims 3
Claim · model-written summary
Alfalfa cultivars differed significantly in germination under salt stress.
- Taxon
- alfalfa
Medicago sativae2 - Material
- cultivarse0
- Outcome
- ability to germinate under salt stresse0
Organisms pictured · Representative pictures of the matched species, not figures from the paper.
Verbatim
e0“Significant differences among the cultivars were observed for ability to germinate under salt stress”
e1“Significant differences among the cultivars were observed for ability to germinate under salt stress”
e2“alfalfa ( Medicago sativa L.) seeds”
Claim · model-written summary
Selection within Ladak 65 on 1.75% saline agar increased germination 3.75 fold at that concentration.
- Taxon
- alfalfaMedicago sativae2
- Material
- Ladak 65e0
- Treatment
- Selection within ‘Ladak 65’ at 1.75% NaCl in the agar mediume0
- Outcome
- germinatione0
- Direction
- increasee0
- Value
- 3.75 folde0
Not reportedComparator
Organisms pictured · Representative pictures of the matched species, not figures from the paper.
Verbatim
e0“Selection within ‘Ladak 65’ at 1.75% NaCl in the agar medium resulted in a 3.75 fold increase in germination at that salt concentration”
e1“Selection within ‘Ladak 65’ at 1.75% NaCl in the agar medium resulted in a 3.75 fold increase in germination at that salt concentration”
e2“alfalfa ( Medicago sativa L.) seeds”
Claim · model-written summary
Selection using saline blotters did not improve Ladak 65 germination on saline agar.
- Taxon
- alfalfaMedicago sativae2
- Material
- Ladak 65e0
- Treatment
- Selection within Ladak 65 using NaCl on blotterse0
- Outcome
- germination on saline agare0
- Direction
- did not improvee0
Not reportedComparator
Organisms pictured · Representative pictures of the matched species, not figures from the paper.
Verbatim
e0“Selection within Ladak 65 using NaCl on blotters did not improve germination on saline agar”
e1“Selection within Ladak 65 using NaCl on blotters did not improve germination on saline agar”
e2“alfalfa ( Medicago sativa L.) seeds”
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See all 28 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.