Abstract
• The biostimulant increased the plant antioxidant content under drought stress. • Treated plants presented less oxidative damage under drought stress. • Stress related hormones increased upon biostimulant treatment in salt stress. • The biostimulant induced sodium accumulation in leaves under salt stress. • Treated plants increased the glucosinolate content under salt stress. Anthropogenic global warming is affecting crop yield and thus compromising food security. Drought and salinization of the irrigation water or soil are increasingly frequent in most arable land, specifically in arid and semiarid areas such as the Mediterranean basin. Many crops have been displaced or their yield has plummeted in recent years, causing food shortages and price increases. In a context of global population growth and reduction in the availability of natural resources used in agriculture, finding novel tools that help farmers to maintain yield in an increasingly arid and saline scenario is of pivotal importance. This is particularly important in organic agriculture, where the number of available tools is very limited. Biostimulants are substances or microorganisms of natural origin whose function is to stimulate plant processes related to nutrient absorption, nutrient use efficiency, tolerance to abiotic stress or the quality of the agricultural products obtained. In the present work, we have evaluated, in field, the agronomic effectiveness of a novel biostimulant formulation in a cruciferous crop of great interest in the Mediterranean basin (broccoli) under control conditions, water and salt stress. Our research has shown that our product had a positive effect on broccoli production and in delaying flowering time. We have also found that the application of our biostimulant increased enzymatic and non-enzymatic antioxidant defense under drought conditions. Similarly, when exposed to salinity, the biostimulant increased the concentration of different phytohormones and glucosinolates. Taken together, our biostimulant increases the tolerance of broccoli to salt stress and water limitation by increasing the antioxidant response, the level of glucosinolates and eliciting the hormonal response.
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Claims 8
Claim · model-written summary
Biostimulant treatment increased broccoli production.
- Taxon
- broccoli
Brassica oleracea var. italicae0 - Treatment
- our producte0
- Outcome
- broccoli productione0
- Direction
- positive effecte0
Not reportedComparator
Organisms pictured · Representative pictures of the matched species, not figures from the paper.
Verbatim
e0“our product had a positive effect on broccoli production”
Claim · model-written summary
Biostimulant treatment delayed broccoli flowering.
- Taxon
- broccoliBrassica oleracea var. italicae0
- Treatment
- our producte0
- Outcome
- flowering timee0
- Direction
- delayinge0
Not reportedComparator
Organisms pictured · Representative pictures of the matched species, not figures from the paper.
Verbatim
e0“our product had a positive effect on broccoli production and in delaying flowering time”
Claim · model-written summary
Biostimulant application increased enzymatic and non-enzymatic antioxidant defense under drought.
- Treatment
- application of our biostimulante0
- Outcome
- enzymatic and non-enzymatic antioxidant defensee0
- Direction
- increasede0
- Qualifier
- under drought conditionse0
Not reportedTaxonComparator
Verbatim
e0“the application of our biostimulant increased enzymatic and non-enzymatic antioxidant defense under drought conditions”
Claim · model-written summary
Biostimulant treatment increased phytohormone concentrations under salinity.
- Treatment
- the biostimulante0
- Outcome
- concentration of different phytohormonese0
- Direction
- increasede0
- Qualifier
- exposed to salinitye0
Not reportedTaxonComparator
Verbatim
e0“when exposed to salinity, the biostimulant increased the concentration of different phytohormones and glucosinolates”
Claim · model-written summary
Biostimulant treatment increased glucosinolate concentrations under salinity.
- Treatment
- the biostimulante0
- Outcome
- glucosinolatese0
- Direction
- increasede0
- Qualifier
- exposed to salinitye0
Not reportedTaxonComparator
Verbatim
e0“when exposed to salinity, the biostimulant increased the concentration of different phytohormones and glucosinolates”
Claim · model-written summary
Biostimulant treatment reduced oxidative damage under drought.
Not reportedTaxonComparator
Verbatim
e0“Treated plants presented less oxidative damage under drought stress.”
Claim · model-written summary
Biostimulant treatment induced leaf sodium accumulation under salt stress.
- Organ / stage
- leavese0
- Treatment
- The biostimulante0
- Outcome
- sodium accumulatione0
- Direction
- inducede0
- Qualifier
- under salt stresse0
Not reportedTaxonComparator
Verbatim
e0“The biostimulant induced sodium accumulation in leaves under salt stress.”
Claim · model-written summary
The authors conclude that the biostimulant increases broccoli tolerance to salt and water limitation.
- Taxon
- broccoliBrassica oleracea var. italicae0
- Treatment
- our biostimulante0
- Outcome
- tolerance of broccoli to salt stress and water limitatione0
- Direction
- increasese0
Organisms pictured · Representative pictures of the matched species, not figures from the paper.
Verbatim
e0“our biostimulant increases the tolerance of broccoli to salt stress and water limitation by increasing the antioxidant response, the level of glucosinolates and eliciting the hormonal response”
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- positive
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10 papers more in this group
See all 14 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.