Abstract
Biostimulants consist of a mixture of growth regulators that, when they are sprayed on plants, act on hormonal balance, enhancing its development. Stimulate® is a biostimulant composed by indole butyric acid (0.005%), kinetin (0.009%) and gibberellic acid (0.005%) which promotes root growth, improves water and nutrients uptake, and helps restore plant hormonal balance. This research was based on the hypothesis that Stimulate® spraying can be an alternate way to mitigate negative effects of soil water-limiting on plant growth. The experimental work was performed in greenhouse and aimed to evaluate physiological responses of young plants of Eucalyptus urophylla sprayed with different Stimulate® concentrations and submitted to the following irrigation regimes: full, partial and no irrigation. Leaf water potential, relative water content, net photosynthesis, plant height and main root length were measured. Under water-limited conditions, plants sprayed with Stimulate® showed higher net photosynthesis and relative water content had a less decrease, due to osmotic adjustment. Spraying with Stimulate® also provided greater plant height and longer main root length in plants under water deficit. We conclude that the use of Stimulate® can be a viable option to mitigate negative water stress physiological effects in young plants of Eucalyptus urophylla, helping to partially maintain the plant growth under water-limited conditions.
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Claims 6
Claim · model-written summary
Stimulate® spraying raised net photosynthesis in water-limited Eucalyptus plants.
- Taxon
- Eucalyptus urophylla
Eucalyptus urophyllat0 - Treatment
- sprayed with Stimulate®e0
- Outcome
- net photosynthesise0
- Direction
- highere0
Not reportedComparator
Organisms pictured · Representative pictures of the matched species, not figures from the paper.
Verbatim
e0“Under water-limited conditions, plants sprayed with Stimulate® showed higher net photosynthesis”
t0“Eucalyptus urophylla”
Claim · model-written summary
Stimulate® spraying lessened the decrease in relative water content under water limitation.
- Taxon
- Eucalyptus urophyllaEucalyptus urophyllat0
- Treatment
- Stimulate®t1
- Outcome
- relative water contente0
- Direction
- less decreasee0
Not reportedComparator
Organisms pictured · Representative pictures of the matched species, not figures from the paper.
Verbatim
e0“relative water content had a less decrease, due to osmotic adjustment”
t0“Eucalyptus urophylla”
t1“plants sprayed with Stimulate®”
Claim · model-written summary
Osmotic adjustment was presented as the cause of the smaller decrease in relative water content.
- Taxon
- Eucalyptus urophyllaEucalyptus urophyllat0
- Outcome
- relative water contente0
- Qualifier
- osmotic adjustmente0
Organisms pictured · Representative pictures of the matched species, not figures from the paper.
Verbatim
e0“relative water content had a less decrease, due to osmotic adjustment”
t0“Eucalyptus urophylla”
Claim · model-written summary
Stimulate® spraying produced greater plant height under water deficit.
- Taxon
- Eucalyptus urophyllaEucalyptus urophyllat0
- Treatment
- Spraying with Stimulate®e0
- Outcome
- plant heighte0
- Direction
- greatere0
Not reportedComparator
Organisms pictured · Representative pictures of the matched species, not figures from the paper.
Verbatim
e0“Spraying with Stimulate® also provided greater plant height and longer main root length in plants under water deficit”
t0“Eucalyptus urophylla”
Claim · model-written summary
Stimulate® spraying produced longer main roots under water deficit.
- Taxon
- Eucalyptus urophyllaEucalyptus urophyllat0
- Treatment
- Spraying with Stimulate®e0
- Outcome
- main root lengthe0
- Direction
- longere0
Not reportedComparator
Organisms pictured · Representative pictures of the matched species, not figures from the paper.
Verbatim
e0“Spraying with Stimulate® also provided greater plant height and longer main root length in plants under water deficit”
t0“Eucalyptus urophylla”
Claim · model-written summary
The authors recommend Stimulate® as a viable option to mitigate physiological effects of water stress in young Eucalyptus.
- Taxon
- Eucalyptus urophyllaEucalyptus urophyllae0
- Outcome
- the use of Stimulate® can be a viable option to mitigate negative water stress physiological effectse0
Organisms pictured · Representative pictures of the matched species, not figures from the paper.
Verbatim
e0“the use of Stimulate® can be a viable option to mitigate negative water stress physiological effects in young plants of Eucalyptus urophylla”
The same questions in other papers
application · growth · Eucalyptus urophyllaResults agree
1 paper in the same direction as this paper
- positive
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.