Abstract
Environmental stresses are inevitable during the plant growth. The β-aminobutyric acid (BABA) induces systemic resistance in plants. The efficiency of BABA pretreatments (0.5 and 10 mM) in inducing drought tolerance in the ‘Akbari’ pistachio rootstock in controlled environmental conditions was investigated. The BABA solutions were sprayed three times every two days on pistachio seedlings at the 15-leaf stage. Subsequently, the irrigation of plants was withheld for 25 days, and the effects of BABA pretreatments on the growth, water relations, and oxidative damage indices in plants were investigated. The BABA pretreatments prevented the reduction of shoot dry and fresh mass under a drought stress by inhibiting the leaf abscission and maintaining the relative water content. Owing to the leaf abscission, leaf water potential and turgidity of drought-stressed plants were similar to the control plants. However, the measurement of osmotic potential indicated that the BABA pretreatments improved turgor potential in leaves of the drought-stressed plants by inducing osmotic regulation. A declined membrane stability index and chlorophylls, as well as the malondialdehyde accumulation in line with the hydrogen peroxide accumulation in the leaves, indicated the development of oxidative damage under drought. Still, the BABA pretreatment restricted the severity of oxidative damages. In this regard, a 5 mM BABA pretreatment was the most effective one in the anti-drought plant protection.
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Claims 11
Claim · model-written summary
BABA pretreatment prevented drought-related reduction in pistachio shoot dry and fresh mass.
- Taxon
- pistachio
Pistacia verae1 - Treatment
- BABA pretreatmentse0
- Outcome
- shoot dry and fresh masse0
- Direction
- prevented the reductione0
Not reportedComparator
Organisms pictured · Representative pictures of the matched species, not figures from the paper.
Verbatim
e0“The BABA pretreatments prevented the reduction of shoot dry and fresh mass under a drought stress”
e1“pistachio seedlings”
Claim · model-written summary
BABA pretreatment inhibited leaf abscission in drought-stressed pistachio.
- Taxon
- pistachioPistacia verae1
- Treatment
- BABA pretreatmentse0
- Outcome
- leaf abscissione0
- Direction
- inhibitinge0
Not reportedComparator
Organisms pictured · Representative pictures of the matched species, not figures from the paper.
Verbatim
e0“BABA pretreatments prevented the reduction of shoot dry and fresh mass under a drought stress by inhibiting the leaf abscission”
e1“pistachio seedlings”
Claim · model-written summary
BABA pretreatment maintained relative water content in drought-stressed pistachio.
- Taxon
- pistachioPistacia verae1
- Treatment
- BABA pretreatmentse0
- Outcome
- relative water contente0
- Direction
- maintaininge0
Not reportedComparator
Organisms pictured · Representative pictures of the matched species, not figures from the paper.
Verbatim
e0“BABA pretreatments prevented the reduction of shoot dry and fresh mass under a drought stress by inhibiting the leaf abscission and maintaining the relative water content”
e1“pistachio seedlings”
Claim · model-written summary
Leaf water potential and turgidity of drought-stressed pistachio resembled controls.
- Taxon
- pistachioPistacia verae1
- Outcome
- leaf water potential and turgiditye0
- Direction
- similare0
- Comparator
- control plantse0
Organisms pictured · Representative pictures of the matched species, not figures from the paper.
Verbatim
e0“leaf water potential and turgidity of drought-stressed plants were similar to the control plants”
e1“pistachio seedlings”
Claim · model-written summary
BABA pretreatment improved leaf turgor potential during pistachio drought through osmotic regulation.
- Taxon
- pistachioPistacia verae1
- Treatment
- BABA pretreatmentse0
- Outcome
- turgor potential in leavese0
- Direction
- improvede0
- Qualifier
- inducing osmotic regulatione0
Organisms pictured · Representative pictures of the matched species, not figures from the paper.
Verbatim
e0“BABA pretreatments improved turgor potential in leaves of the drought-stressed plants by inducing osmotic regulation”
e1“pistachio seedlings”
Claim · model-written summary
Drought lowered membrane stability index in pistachio leaves.
- Taxon
- pistachioPistacia verae1
- Treatment
- droughte0
- Outcome
- membrane stability indexe0
- Direction
- declinede0
Not reportedComparator
Organisms pictured · Representative pictures of the matched species, not figures from the paper.
Verbatim
e0“A declined membrane stability index and chlorophylls, as well as the malondialdehyde accumulation in line with the hydrogen peroxide accumulation in the leaves, indicated the development of oxidative damage under drought”
e1“pistachio seedlings”
Claim · model-written summary
Drought lowered chlorophylls in pistachio leaves.
- Taxon
- pistachioPistacia verae1
- Treatment
- droughte0
- Outcome
- chlorophyllse0
- Direction
- declinede0
Not reportedComparator
Organisms pictured · Representative pictures of the matched species, not figures from the paper.
Verbatim
e0“A declined membrane stability index and chlorophylls, as well as the malondialdehyde accumulation in line with the hydrogen peroxide accumulation in the leaves, indicated the development of oxidative damage under drought”
e1“pistachio seedlings”
Claim · model-written summary
Drought caused malondialdehyde accumulation in pistachio leaves.
- Taxon
- pistachioPistacia verae1
- Treatment
- droughte0
- Outcome
- malondialdehyde accumulatione0
Not reportedComparatorDirection
Organisms pictured · Representative pictures of the matched species, not figures from the paper.
Verbatim
e0“the malondialdehyde accumulation in line with the hydrogen peroxide accumulation in the leaves, indicated the development of oxidative damage under drought”
e1“pistachio seedlings”
Claim · model-written summary
Drought caused hydrogen peroxide accumulation in pistachio leaves.
- Taxon
- pistachioPistacia verae1
- Treatment
- droughte0
- Outcome
- hydrogen peroxide accumulatione0
Not reportedComparatorDirection
Organisms pictured · Representative pictures of the matched species, not figures from the paper.
Verbatim
e0“the hydrogen peroxide accumulation in the leaves, indicated the development of oxidative damage under drought”
e1“pistachio seedlings”
Claim · model-written summary
BABA pretreatment restricted oxidative damage severity in drought-stressed pistachio.
- Taxon
- pistachioPistacia verae1
- Treatment
- BABA pretreatmente0
- Outcome
- severity of oxidative damagese0
- Direction
- restrictede0
Not reportedComparator
Organisms pictured · Representative pictures of the matched species, not figures from the paper.
Verbatim
e0“the BABA pretreatment restricted the severity of oxidative damages”
e1“pistachio seedlings”
Claim · model-written summary
The authors found 5 mM BABA pretreatment most effective for drought protection of pistachio.
- Taxon
- pistachioPistacia verae1
- Treatment
- 5 mM BABA pretreatmente0
- Outcome
- anti-drought plant protectione0
- Direction
- most effectivee0
Organisms pictured · Representative pictures of the matched species, not figures from the paper.
Verbatim
e0“a 5 mM BABA pretreatment was the most effective one in the anti-drought plant protection”
e1“pistachio seedlings”
The same questions in other papers
drought · molecular: metabolites · Pistacia vera (pistachio)Positive and negative results
1 paper in the same direction as this paper · 1 in the opposite direction
- positive
- no effect
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.