Abstract
Abstract Development of high yielding triticale (X Triticosecale Wittmack ) cultivars may promote an increased acreage of this crop on irrigated soils in the western United States. Often these soils are, or have the potential to become, highly saline. Because of the lack of information on salinity effects on vegetative growth and seed yield of triticale, the salt tolerance of two cultivars (Beaguelita ‘s’ and Cananea 79) was determined in a 2‐yr field plot study. Six salinity treatments were imposed on a Holtville clay [clayey over loamy, montmorillonitic (calcareous), hyperthermic Typic Torrifluvent] by irrigating with waters salinized with NaCl and CaCl 2 , (1:1 by weight). Electrical conductivities of the irrigation waters were 1.8,2.6, 5.1, 7.5,9.6, and 12.2 dS/m the first year, and 1.4, 3.9, 7.9, 12.0,16.0, and 20.3 dS/m the second year. Grain yield, vegetative growth, and germination were measured. Relative grain yield for both cultivars was unaffected by soil salinity up to 7.3 dS/m (electrical conductivity of the saturated‐soil extracts in the rootzone). Each unit increase in salinity above 7.3 dS/m reduced grain yield by 2.8%. These results place triticale in the salt‐tolerant category. Yield reduction resulted primarily from a reduction in spike number rather than from lower weight per spike or lower weight per individual seed. Salinity reduced vegetative growth less than grain yield in Cananea 79 but more in Beaguelita ‘s’. Both cultivars were slightly less salt tolerant at germination than they were after the three‐leaf stage of growth.
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Claims 7
Claim · model-written summary
Both triticale cultivars maintained relative grain yield up to soil salinity of 7.3 dS/m.
- Taxon
- Triticale
×Triticosecalet0 - Treatment
- soil salinity up to 7.3 dS/me0
- Outcome
- Relative grain yielde0
- Direction
- unaffectede0
- Value
- 7.3 dS/me0
Not reportedComparator
Organisms pictured · Representative pictures of the matched species, not figures from the paper.
Verbatim
e0“Relative grain yield for both cultivars was unaffected by soil salinity up to 7.3 dS/m”
t0“Triticale”
Claim · model-written summary
Above 7.3 dS/m each salinity unit reduced triticale grain yield by 2.8%.
- Taxon
- Triticale×Triticosecalet0
- Treatment
- salinity above 7.3 dS/me0
- Outcome
- grain yielde0
- Direction
- reducede0
- Value
- 2.8%e0
Not reportedComparator
Organisms pictured · Representative pictures of the matched species, not figures from the paper.
Verbatim
e0“Each unit increase in salinity above 7.3 dS/m reduced grain yield by 2.8%”
t0“Triticale”
Claim · model-written summary
Triticale was classified as salt tolerant.
- Taxon
- triticale×Triticosecalee0
- Outcome
- salt‐tolerant categorye0
Not reportedDirection
Organisms pictured · Representative pictures of the matched species, not figures from the paper.
Verbatim
e0“These results place triticale in the salt‐tolerant category”
Claim · model-written summary
Yield reduction primarily reflected fewer spikes.
- Taxon
- Triticale×Triticosecalet0
- Organ / stage
- spike numbere0
- Outcome
- Yield reductione0
- Direction
- reductione0
- Qualifier
- rather than from lower weight per spike or lower weight per individual seede0
Organisms pictured · Representative pictures of the matched species, not figures from the paper.
Verbatim
e0“Yield reduction resulted primarily from a reduction in spike number rather than from lower weight per spike or lower weight per individual seed”
t0“Triticale”
Claim · model-written summary
Salinity reduced vegetative growth less than grain yield in Cananea 79.
- Taxon
- Triticale×Triticosecalet0
- Material
- Cananea 79e0
- Treatment
- Salinitye0
- Outcome
- vegetative growthe0
- Direction
- reducede0
- Comparator
- grain yielde0
Organisms pictured · Representative pictures of the matched species, not figures from the paper.
Verbatim
e0“Salinity reduced vegetative growth less than grain yield in Cananea 79”
t0“Triticale”
Claim · model-written summary
Salinity reduced vegetative growth more than grain yield in Beaguelita ‘s’.
- Taxon
- Triticale×Triticosecalet0
- Material
- Beaguelita ‘s’e0
- Treatment
- Salinitye1
- Outcome
- vegetative growthe1
- Direction
- reducede1
- Comparator
- grain yielde1
Organisms pictured · Representative pictures of the matched species, not figures from the paper.
Verbatim
e0“but more in Beaguelita ‘s’”
e1“Salinity reduced vegetative growth less than grain yield in Cananea 79”
t0“Triticale”
Claim · model-written summary
Both cultivars were slightly less salt tolerant at germination than after the three-leaf stage.
- Taxon
- Triticale×Triticosecalet0
- Organ / stage
- germinatione0
- Outcome
- salt tolerante0
- Direction
- lesse0
- Comparator
- three‐leaf stage of growthe0
Organisms pictured · Representative pictures of the matched species, not figures from the paper.
Verbatim
e0“Both cultivars were slightly less salt tolerant at germination than they were after the three‐leaf stage of growth”
t0“Triticale”
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See all 11 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.