Abstract
Salinity is a major issue restricting sustainable soybean production in arid and semi-arid regions of the world. Zinc is an important micronutrient which may improve plant growth and development. Therefore, a research was undertaken to clarify the role of zinc on growth of soybean under salt stress. The experiment was conducted using six levels (0, 50, 100, 150, 200 and 250 mM) of NaCl and the plant was also treated with zinc under different salinity levels. This experiment was arranged in a completely randomized design with three replications. Maximum salt stress (250 mM NaCl) caused reduction in plant height by 64.35%, 58.82%, 56.90% and 57.37%, leaf number by 72.68%, 65.31%, 57.57% and 53.41% and leaf area by 84.31%, 76.67%, 70.61%, and 67.96% at 15, 30, 45 and 60 days after treatment, respectively. Whereas, application of Zn to salt-stressed plants elevated plant height by 82.38%, 49.24%, 49.93%, and 43.51%, leaf number by 41.02%, 16.48%, 2.61%, and 11.28% and leaf area by 41.85%, 40.09%, 18.47% and 17.67% at 15, 30, 45 and 60 days after treatment, respectively. These results indicate that zinc plays an important role on growth of salt-stressed soybean. Zn application compensated the deleterious effects of Na+ and Cl- ions and led to greater plant growth.
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Claims 6
Claim · model-written summary
At 250 mM NaCl, soybean plant height declined at four observation times.
- Taxon
- Soybean
Glycine maxt0 - Treatment
- 250 mM NaCle0
- Outcome
- plant heighte0
- Direction
- reductione0
- Value
- 64.35%, 58.82%, 56.90% and 57.37%e0
Not reportedComparator
Organisms pictured · Representative pictures of the matched species, not figures from the paper.
Verbatim
t0“Soybean”
e0“Maximum salt stress (250 mM NaCl) caused reduction in plant height by 64.35%, 58.82%, 56.90% and 57.37%”
Claim · model-written summary
At 250 mM NaCl, soybean leaf number declined at four observation times.
- Taxon
- SoybeanGlycine maxt0
- Treatment
- 250 mM NaCle1
- Outcome
- leaf numbere0
- Direction
- reductione1
- Value
- 72.68%, 65.31%, 57.57% and 53.41%e0
Not reportedComparator
Organisms pictured · Representative pictures of the matched species, not figures from the paper.
Verbatim
t0“Soybean”
e0“leaf number by 72.68%, 65.31%, 57.57% and 53.41%”
e1“Maximum salt stress (250 mM NaCl) caused reduction”
Claim · model-written summary
At 250 mM NaCl, soybean leaf area declined at four observation times.
- Taxon
- SoybeanGlycine maxt0
- Treatment
- 250 mM NaCle1
- Outcome
- leaf areae0
- Direction
- reductione1
- Value
- 84.31%, 76.67%, 70.61%, and 67.96%e0
Not reportedComparator
Organisms pictured · Representative pictures of the matched species, not figures from the paper.
Verbatim
t0“Soybean”
e0“leaf area by 84.31%, 76.67%, 70.61%, and 67.96%”
e1“Maximum salt stress (250 mM NaCl) caused reduction”
Claim · model-written summary
Zinc raised plant height in salt-stressed soybean at four observation times.
- Taxon
- SoybeanGlycine maxt0
- Treatment
- application of Zne0
- Outcome
- plant heighte0
- Direction
- elevatede0
- Value
- 82.38%, 49.24%, 49.93%, and 43.51%e0
Not reportedComparator
Organisms pictured · Representative pictures of the matched species, not figures from the paper.
Verbatim
t0“Soybean”
e0“application of Zn to salt-stressed plants elevated plant height by 82.38%, 49.24%, 49.93%, and 43.51%”
Claim · model-written summary
Zinc raised leaf number in salt-stressed soybean at four observation times.
- Taxon
- SoybeanGlycine maxt0
- Treatment
- application of Zne1
- Outcome
- leaf numbere0
- Direction
- elevatede1
- Value
- 41.02%, 16.48%, 2.61%, and 11.28%e0
Not reportedComparator
Organisms pictured · Representative pictures of the matched species, not figures from the paper.
Verbatim
t0“Soybean”
e0“leaf number by 41.02%, 16.48%, 2.61%, and 11.28%”
e1“application of Zn to salt-stressed plants elevated plant height”
Claim · model-written summary
Zinc raised leaf area in salt-stressed soybean at four observation times.
- Taxon
- SoybeanGlycine maxt0
- Treatment
- application of Zne1
- Outcome
- leaf areae0
- Direction
- elevatede1
- Value
- 41.85%, 40.09%, 18.47% and 17.67%e0
Not reportedComparator
Organisms pictured · Representative pictures of the matched species, not figures from the paper.
Verbatim
t0“Soybean”
e0“leaf area by 41.85%, 40.09%, 18.47% and 17.67%”
e1“application of Zn to salt-stressed plants elevated plant height”
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