Abstract
Abstract Dust pollution can negatively affect plant productivity in hot, dry areas with high insolation during summer. To understand the effect of water-deficit and its interaction with dust pollution on vegetative and physiological changes in grapevine ʻBidaneh Sefidʼ, two-year-old plants were subjected to drought stress (-0.1 and -1 MPa) and dust treatment in a greenhouse during 2013 and 2014. The results showed that dust had a significant negative effect on the number of leaves, shoot length, root and shoot dry weights, and total dry weight under both drought and well-irrigated conditions. Dust, when applied in combination with drought, caused severe growth reduction. Leaf relative water content (RWC) and membrane stability index (MSI) were reduced under dust and drought stress, while soluble carbohydrate, proline, malondialdehyde (MDA) and H 2 O 2 concentrations increased. Furthermore, dust application resulted in characteristics similar to those induced by water-deficit stress and intensified vegetative and physiological changes when applied together. Dust and drought treatments increased peroxidases and ascorbate peroxidase activities when compared to the control. The results indicate that dust has an adverse effect on the growth and physiology of grapevine and plays a negative role in the response of grapevine to drought stress.
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Claims 7
Claim · model-written summary
Dust significantly reduced leaf number, shoot length, and dry weights under drought and irrigation.
- Treatment
- duste0
- Outcome
- number of leaves, shoot length, root and shoot dry weights, and total dry weighte0
- Direction
- negative effecte0
- Qualifier
- under both drought and well-irrigated conditionse0
VitisNot reportedComparator
Organisms pictured · Representative pictures of the matched species, not figures from the paper.
Verbatim
e0“dust had a significant negative effect on the number of leaves, shoot length, root and shoot dry weights, and total dry weight under both drought and well-irrigated conditions.”
t0“grapevine (Vitis vinifera L.)”
Claim · model-written summary
Dust combined with drought severely reduced grapevine growth.
Not reportedComparator
Organisms pictured · Representative pictures of the matched species, not figures from the paper.
Verbatim
e0“Dust, when applied in combination with drought, caused severe growth reduction.”
t0“grapevine (Vitis vinifera L.)”
Claim · model-written summary
Dust and drought reduced leaf relative water content and membrane stability.
- Treatment
- dust and drought stresse0
- Outcome
- Leaf relative water content (RWC) and membrane stability index (MSI)e0
- Direction
- reducede0
Not reportedComparator
Organisms pictured · Representative pictures of the matched species, not figures from the paper.
Verbatim
e0“Leaf relative water content (RWC) and membrane stability index (MSI) were reduced under dust and drought stress”
t0“grapevine (Vitis vinifera L.)”
Claim · model-written summary
Dust and drought increased soluble carbohydrate, proline, and malondialdehyde concentrations.
Not reportedTreatmentComparator
Organisms pictured · Representative pictures of the matched species, not figures from the paper.
Verbatim
e0“soluble carbohydrate, proline, malondialdehyde (MDA) and H 2 O 2 concentrations increased.”
t0“grapevine (Vitis vinifera L.)”
Claim · model-written summary
Dust and drought increased H 2 O 2 concentrations.
Not reportedTreatmentComparator
Organisms pictured · Representative pictures of the matched species, not figures from the paper.
Verbatim
e0“soluble carbohydrate, proline, malondialdehyde (MDA) and H 2 O 2 concentrations increased.”
t0“grapevine (Vitis vinifera L.)”
Claim · model-written summary
Dust produced changes similar to water deficit and intensified combined responses.
- Treatment
- dust applicatione0
- Outcome
- vegetative and physiological changese0
- Direction
- intensifiede0
- Comparator
- water-deficit stresse0
Organisms pictured · Representative pictures of the matched species, not figures from the paper.
Verbatim
e0“dust application resulted in characteristics similar to those induced by water-deficit stress and intensified vegetative and physiological changes when applied together.”
t0“grapevine (Vitis vinifera L.)”
Claim · model-written summary
Dust and drought increased peroxidases and ascorbate peroxidase activity over control.
- Treatment
- Dust and drought treatmentse0
- Outcome
- peroxidases and ascorbate peroxidase activitiese0
- Direction
- increasede0
- Comparator
- controle0
Organisms pictured · Representative pictures of the matched species, not figures from the paper.
Verbatim
e0“Dust and drought treatments increased peroxidases and ascorbate peroxidase activities when compared to the control.”
t0“grapevine (Vitis vinifera L.)”
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See all 32 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.