Abstract
Abstract Drought is the major abiotic stress that limits growth, development and yield of crops worldwide. In this scenario, mineral nutrients, such as boron (B), have been promising for increasing the tolerance of plants to abiotic stresses because of their physiological roles in plants. We aimed to evaluate the benefits of foliar supplementation of B in either relieving or reducing the physiological damages caused by water stress in soybean ( Glycine max L.). A greenhouse trial was carried out in a 2 × 3 factorial scheme, with two water conditions (well‐watered and drought stress) and three doses of B (0, 150 and 300 mg B L −1 ). Foliar application of B was before inducing the water stress, which remained for 20 days during vegetative stage. Plants were evaluated at three moments, according to the water conditions: maximum stress, rehydration and just before harvesting. The levels of hydrogen peroxide and lipid peroxidation increased in soybean leaves and roots under water stress, resulting in impaired plant growth. However, the foliar supplementation with B before the stress increased activities of the antioxidant enzymes and reduced the levels of stress markers. Furthermore, B applied foliar increased the nutrient concentration in the leaves of plants and stimulated root growth, which resulted in higher harvest index related to yield. The foliar application of B has shown as an alternative management to mitigate the damages caused by drought stress in soybean.
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Claims 9
Claim · model-written summary
Water stress increased hydrogen peroxide in soybean leaves and roots.
- Taxon
- soybean
Glycine maxe0 - Organ / stage
- leaves and rootse0
- Treatment
- water stresse0
- Outcome
- levels of hydrogen peroxidee0
- Direction
- increasede0
Not reportedComparator
Organisms pictured · Representative pictures of the matched species, not figures from the paper.
Verbatim
e0“The levels of hydrogen peroxide and lipid peroxidation increased in soybean leaves and roots under water stress”
Claim · model-written summary
Water stress increased lipid peroxidation in soybean leaves and roots.
- Taxon
- soybeanGlycine maxe0
- Organ / stage
- leaves and rootse0
- Treatment
- water stresse0
- Outcome
- lipid peroxidatione0
- Direction
- increasede0
Not reportedComparator
Organisms pictured · Representative pictures of the matched species, not figures from the paper.
Verbatim
e0“The levels of hydrogen peroxide and lipid peroxidation increased in soybean leaves and roots under water stress”
Claim · model-written summary
Water stress impaired soybean growth.
- Taxon
- soybeanGlycine maxe0
- Treatment
- water stresse0
- Outcome
- plant growthe0
- Direction
- impairede0
Not reportedComparator
Organisms pictured · Representative pictures of the matched species, not figures from the paper.
Verbatim
e0“soybean leaves and roots under water stress, resulting in impaired plant growth”
Claim · model-written summary
Foliar boron before stress increased antioxidant enzyme activities.
- Taxon
- soybeanGlycine maxt0
- Treatment
- foliar supplementation with Be0
- Outcome
- activities of the antioxidant enzymese0
- Direction
- increasede0
Not reportedComparator
Organisms pictured · Representative pictures of the matched species, not figures from the paper.
Verbatim
e0“the foliar supplementation with B before the stress increased activities of the antioxidant enzymes”
t0“Boron foliar supplementation as a strategy to attenuate drought stress in soybean”
Claim · model-written summary
Foliar boron before stress reduced stress markers.
- Taxon
- soybeanGlycine maxt0
- Treatment
- foliar supplementation with Be0
- Outcome
- levels of stress markerse0
- Direction
- reducede0
Not reportedComparator
Organisms pictured · Representative pictures of the matched species, not figures from the paper.
Verbatim
e0“the foliar supplementation with B before the stress increased activities of the antioxidant enzymes and reduced the levels of stress markers”
t0“Boron foliar supplementation as a strategy to attenuate drought stress in soybean”
Claim · model-written summary
Foliar boron increased leaf nutrient concentration.
- Taxon
- soybeanGlycine maxt0
- Organ / stage
- leavese0
- Treatment
- B applied foliare0
- Outcome
- nutrient concentratione0
- Direction
- increasede0
Not reportedComparator
Organisms pictured · Representative pictures of the matched species, not figures from the paper.
Verbatim
e0“B applied foliar increased the nutrient concentration in the leaves of plants”
t0“Boron foliar supplementation as a strategy to attenuate drought stress in soybean”
Claim · model-written summary
Foliar boron stimulated root growth.
- Taxon
- soybeanGlycine maxt0
- Treatment
- B applied foliare0
- Outcome
- root growthe0
- Direction
- stimulatede0
Not reportedComparator
Organisms pictured · Representative pictures of the matched species, not figures from the paper.
Verbatim
e0“B applied foliar increased the nutrient concentration in the leaves of plants and stimulated root growth”
t0“Boron foliar supplementation as a strategy to attenuate drought stress in soybean”
Claim · model-written summary
Foliar boron increased harvest index related to yield.
- Taxon
- soybeanGlycine maxt0
- Treatment
- B applied foliare0
- Outcome
- harvest index related to yielde0
- Direction
- highere0
Not reportedComparator
Organisms pictured · Representative pictures of the matched species, not figures from the paper.
Verbatim
e0“B applied foliar increased the nutrient concentration in the leaves of plants and stimulated root growth, which resulted in higher harvest index related to yield”
t0“Boron foliar supplementation as a strategy to attenuate drought stress in soybean”
Claim · model-written summary
The authors recommend foliar boron to mitigate drought damage in soybean.
- Taxon
- soybeanGlycine maxe0
- Treatment
- foliar application of Be0
- Outcome
- alternative management to mitigate the damages caused by drought stresse0
Organisms pictured · Representative pictures of the matched species, not figures from the paper.
Verbatim
e0“The foliar application of B has shown as an alternative management to mitigate the damages caused by drought stress in soybean.”
The same questions in other papers
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See all 404 papers →8 of 9 groups shown: named compounds and organisms first, then groups whose results differ (checked claim by claim), then those with positive and negative results, then the smaller groups.
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.