Abstract
Considering that water deficit is one of the main environmental factors responsible for low soybean yield and that nitric oxide (NO) has been shown to be a fundamental part of plant defense signaling during stress, the aim of the present study was to evaluate the effect of seed priming with nitric oxide on the induction of water deficit tolerance during the initial development of soybean. Thus, seeds were treated with 0 (water only), 50, 100 or 250 μmol.L-1 sodium nitroprusside for 6 hours. Additionally, untreated seeds were used. After drying, the seeds were placed in containers filled with a commercial substrate mixture and vermiculite and irrigated to 100% and 50% field capacity. Biometric and biochemical evaluations (pigment and proline contents) were performed after 14 days. It was concluded that pretreatment of soybean seeds with 50 to 250 μmol.L-1 SNP attenuated the effects of water deficit on stem growth, leaf area, and shoot dry matter and induced carotenoid biosynthesis. The accumulation of proline in the leaves was pronounced in the treatments with 100 and 250 μmol.L-1 SNP, while 100 μmol.L-1 SNP induced proline accumulation in the roots.
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Claims 4
Claim · model-written summary
Pretreating soybean seeds with 50 to 250 μmol.L-1 SNP attenuated the effects of water deficit on stem growth, leaf area and shoot dry matter.
- Taxon
- soybean
Glycine maxe1 - Treatment
- pretreatment of soybean seeds with 50 to 250 μmol.L-1 SNPe1
- Outcome
- stem growth, leaf area, and shoot dry mattere1
- Direction
- attenuatede1
- Qualifier
- water deficite1
Not reportedComparator
Organisms pictured · Representative pictures of the matched species, not figures from the paper.
Verbatim
e1“pretreatment of soybean seeds with 50 to 250 μmol.L-1 SNP attenuated the effects of water deficit on stem growth, leaf area, and shoot dry matter”
Claim · model-written summary
Pretreating soybean seeds with 50 to 250 μmol.L-1 SNP induced carotenoid biosynthesis under water deficit.
- Taxon
- soybeanGlycine maxe1
- Treatment
- pretreatment of soybean seeds with 50 to 250 μmol.L-1 SNPe1
- Outcome
- carotenoid biosynthesise1
- Direction
- inducede1
Not reportedComparator
Organisms pictured · Representative pictures of the matched species, not figures from the paper.
Verbatim
e1“pretreatment of soybean seeds with 50 to 250 μmol.L-1 SNP attenuated the effects of water deficit on stem growth, leaf area, and shoot dry matter and induced carotenoid biosynthesis”
Claim · model-written summary
Proline accumulation in soybean leaves was pronounced with 100 and 250 μmol.L-1 SNP seed priming.
- Organ / stage
- leavese1
- Treatment
- 100 and 250 μmol.L-1 SNPe1
- Outcome
- accumulation of prolinee1
- Direction
- pronouncede1
Not reportedTaxonComparator
Verbatim
e1“The accumulation of proline in the leaves was pronounced in the treatments with 100 and 250 μmol.L-1 SNP”
Claim · model-written summary
Seed priming with 100 μmol.L-1 SNP induced proline accumulation in soybean roots.
Not reportedTaxonComparator
Verbatim
e1“100 μmol.L-1 SNP induced proline accumulation in the roots”
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See all 6 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.