Abstract
Farmers have requested comparative information on the salt tolerance of the field crops they seek to grow as alternatives to wheat. In response, a study was conducted in the Salt Tolerance Testing Laboratory at Swift Current, SK, to compare the productivity of canola ( Brassica napus cv. Cyclone), field pea ( Pisum sativum cv. green‐seed Radley and cv. yellow‐seed Carneval), and pinto dry bean ( Phaseolus vulgaris cv. Othello) crops to that of a durum wheat ( Triticum turgidum cv. Kyle) crop grown in saline media. Test solutions were salinized prior to seeding by adding NaCl and CaCl 2 (1:1 by mass) to hydroponic nutrients, resulting in three levels of root‐zone salinity: near zero, moderate, and severe [solution electrical conductivities of 1.2 (nutrients only), 11.2, and 24.9 dS m −1 , respectively]. Eight response variables evaluated crop performance: time from seeding to initial emergence, emergence rate, final emergence and survival, plant height, aboveground biomass, grain yield, relative grain yield, and grain yield per plant. The durum wheat emerged and survived moderate and severe salinity better than any of the alternative crops. The wheat crop also produced more biomass and grain under moderately saline conditions than produced by the pea and the bean crops, but not the canola. Under severe salinity, neither the field peas nor the dry bean produced any grain, but the wheat and the canola crops managed to yield 0.4 and 20.1% of their respective productivity in nonsaline rooting media. The combined salt tolerance ranking in ascending order for the crop cultivars grown in both saline rooting media was: Othello = Carneval < Radley < Kyle < Cyclone.
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Claims 7
Claim · model-written summary
Durum wheat emerged and survived moderate and severe salinity better than the alternative crops.
- Taxon
- durum wheat
Triticum turgidum subsp. durume0 - Treatment
- moderate and severe salinitye0
- Outcome
- emerged and survivede0
- Direction
- bettere0
- Comparator
- alternative cropse0
Organisms pictured · Representative pictures of the matched species, not figures from the paper.
Verbatim
e0“The durum wheat emerged and survived moderate and severe salinity better than any of the alternative crops”
Claim · model-written summary
Wheat produced more biomass and grain than field pea and dry bean under moderate salinity, but not more than canola.
- Taxon
- wheat
Triticum aestivume1 - Treatment
- moderately saline conditionse1
- Outcome
- biomass and graine1
- Direction
- moree1
- Qualifier
- but not the canolae1
- Comparator
- the pea and the bean cropse1
Organisms pictured · Representative pictures of the matched species, not figures from the paper.
Verbatim
e1“The wheat crop also produced more biomass and grain under moderately saline conditions than produced by the pea and the bean crops, but not the canola”
Claim · model-written summary
Field peas produced no grain under severe salinity.
Not reportedComparatorDirection
Verbatim
e2“Under severe salinity, neither the field peas nor the dry bean produced any grain, but the wheat and the canola crops managed to yield 0.4 and 20.1% of their respective productivity in nonsaline rooting media”
Claim · model-written summary
Dry bean produced no grain under severe salinity.
Not reportedComparatorDirection
Verbatim
e2“Under severe salinity, neither the field peas nor the dry bean produced any grain, but the wheat and the canola crops managed to yield 0.4 and 20.1% of their respective productivity in nonsaline rooting media”
Claim · model-written summary
Wheat yielded 0.4 of its productivity in nonsaline media under severe salinity.
- Taxon
- wheatTriticum aestivume2
- Treatment
- severe salinitye2
- Outcome
- productivitye2
- Direction
- lowerinferrede2
- Value
- 0.4e2
- Comparator
- nonsaline rooting mediae2
Organisms pictured · Representative pictures of the matched species, not figures from the paper.
Verbatim
e2“Under severe salinity, neither the field peas nor the dry bean produced any grain, but the wheat and the canola crops managed to yield 0.4 and 20.1% of their respective productivity in nonsaline rooting media”
Claim · model-written summary
Canola yielded 20.1% of its productivity in nonsaline media under severe salinity.
- Taxon
- canola
.jpg?width=60)
Brassica napus var. napuse2 - Treatment
- severe salinitye2
- Outcome
- productivitye2
- Direction
- lowerinferrede2
- Value
- 20.1%e2
- Comparator
- nonsaline rooting mediae2
Organisms pictured · Representative pictures of the matched species, not figures from the paper.
.jpg?width=500)
Verbatim
e2“Under severe salinity, neither the field peas nor the dry bean produced any grain, but the wheat and the canola crops managed to yield 0.4 and 20.1% of their respective productivity in nonsaline rooting media”
Claim · model-written summary
The combined salt tolerance ranking of the crop cultivars is Othello = Carneval < Radley < Kyle < Cyclone.
Verbatim
e3“The combined salt tolerance ranking in ascending order for the crop cultivars grown in both saline rooting media was: Othello = Carneval < Radley < Kyle < Cyclone”
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