Abstract
He, J.-F., Goyal, R., Laroche, A., Zhao, M.-L. and Lu, Z.-X. 2013. Effects of salinity stress on starch morphology, composition and thermal properties during grain development in triticale. Can. J. Plant Sci. 93: 765–771. Triticale is a man-made cereal crop developed from a cross between wheat and rye. It has excellent agronomic traits for starch production on arid and semi-arid lands. This study investigated the effects of salinity stress on the alterations of starch morphology, composition and physicochemical properties during triticale grain development. Three triticale varieties (AC Certa, AC Ultima and Blue Alta) were treated with three levels of NaCl solutions (50, 100 and 200 mM), termed low salinity stress (LSS), moderate salinity stress (MSS) and high salinity stress (HSS), respectively. Reduction in seed weight and starch content were observed under salinity stress; the values decreased by 9–42% under MSS and 18–51% under HSS. MSS and HSS favored an increase of amylose synthesis and accumulation in triticale starch. Triticale starch synthesized under salinity stress showed a decreased population of small granules and an increased ratio on A-type to B-type granules. MSS and HSS decreased the peak temperature and increased the starch enthalpy, and an inverse relationship between salinity stress and a range of starch gelatinization temperature was also observed. This is the first report demonstrating that starch morphology, composition and thermal properties in triticale grains can be significantly affected by salinity stress.
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Claims 13
Claim · model-written summary
Salinity reduced triticale seed weight by 9–42% under moderate stress.
Not reportedComparator
Organisms pictured · Representative pictures of the matched species, not figures from the paper.
Verbatim
e0“Reduction in seed weight and starch content were observed under salinity stress; the values decreased by 9–42% under MSS and 18–51% under HSS.”
e1“triticale grain development”
Claim · model-written summary
Salinity reduced triticale starch content by 9–42% under moderate stress.
Not reportedComparator
Organisms pictured · Representative pictures of the matched species, not figures from the paper.
Verbatim
e0“Reduction in seed weight and starch content were observed under salinity stress; the values decreased by 9–42% under MSS and 18–51% under HSS.”
e1“triticale grain development”
Claim · model-written summary
High salinity reduced triticale seed weight by 18–51%.
Not reportedComparator
Organisms pictured · Representative pictures of the matched species, not figures from the paper.
Verbatim
e0“Reduction in seed weight and starch content were observed under salinity stress; the values decreased by 9–42% under MSS and 18–51% under HSS.”
e1“triticale grain development”
Claim · model-written summary
High salinity reduced triticale starch content by 18–51%.
- Taxon
- triticale
×Triticosecalee1 - Treatment
- HSSe0
- Outcome
- starch contente0
- Direction
- decreasede0
- Value
- 18–51%e0
Not reportedComparator
Organisms pictured · Representative pictures of the matched species, not figures from the paper.
Verbatim
e0“Reduction in seed weight and starch content were observed under salinity stress; the values decreased by 9–42% under MSS and 18–51% under HSS.”
e1“triticale grain development”
Claim · model-written summary
Moderate salinity increased amylose synthesis and accumulation in triticale starch.
- Taxon
- triticale×Triticosecalee0
- Treatment
- MSSe0
- Outcome
- amylose synthesis and accumulatione0
- Direction
- increasee0
Not reportedComparator
Organisms pictured · Representative pictures of the matched species, not figures from the paper.
Verbatim
e0“MSS and HSS favored an increase of amylose synthesis and accumulation in triticale starch.”
Claim · model-written summary
High salinity increased amylose synthesis and accumulation in triticale starch.
- Taxon
- triticale×Triticosecalee0
- Treatment
- HSSe0
- Outcome
- amylose synthesis and accumulatione0
- Direction
- increasee0
Not reportedComparator
Organisms pictured · Representative pictures of the matched species, not figures from the paper.
Verbatim
e0“MSS and HSS favored an increase of amylose synthesis and accumulation in triticale starch.”
Claim · model-written summary
Salinity decreased the population of small starch granules in triticale.
- Taxon
- Triticale×Triticosecalee0
- Treatment
- salinity stresse0
- Outcome
- population of small granulese0
- Direction
- decreasede0
Not reportedComparator
Organisms pictured · Representative pictures of the matched species, not figures from the paper.
Verbatim
e0“Triticale starch synthesized under salinity stress showed a decreased population of small granules and an increased ratio on A-type to B-type granules.”
Claim · model-written summary
Salinity increased the A-type to B-type starch granule ratio in triticale.
- Taxon
- Triticale×Triticosecalee0
- Treatment
- salinity stresse0
- Outcome
- ratio on A-type to B-type granulese0
- Direction
- increasede0
Not reportedComparator
Organisms pictured · Representative pictures of the matched species, not figures from the paper.
Verbatim
e0“Triticale starch synthesized under salinity stress showed a decreased population of small granules and an increased ratio on A-type to B-type granules.”
Claim · model-written summary
Moderate salinity decreased triticale starch peak temperature.
Not reportedTaxonComparator
Verbatim
e0“MSS and HSS decreased the peak temperature and increased the starch enthalpy”
Claim · model-written summary
High salinity decreased triticale starch peak temperature.
Not reportedTaxonComparator
Verbatim
e0“MSS and HSS decreased the peak temperature and increased the starch enthalpy”
Claim · model-written summary
Moderate salinity increased triticale starch enthalpy.
Not reportedTaxonComparator
Verbatim
e0“MSS and HSS decreased the peak temperature and increased the starch enthalpy”
Claim · model-written summary
High salinity increased triticale starch enthalpy.
Not reportedTaxonComparator
Verbatim
e0“MSS and HSS decreased the peak temperature and increased the starch enthalpy”
Claim · model-written summary
Salinity was inversely related to triticale starch gelatinization temperature range.
- Treatment
- salinity stresse0
- Outcome
- range of starch gelatinization temperaturee0
- Direction
- inverse relationshipe0
Not reportedTaxon
Verbatim
e0“an inverse relationship between salinity stress and a range of starch gelatinization temperature was also observed.”
The same questions in other papers
salinity · quality: sugar starch · x Triticosecale (triticale)Positive and negative results
1 in the opposite direction
- negative
salinity · yield · x Triticosecale (triticale)Results agree
7 papers in the same direction as this paper
- negative
- no effect
- negative
4 papers more in this group
See all 8 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.