Abstract
The limitation in the quality of water sources for irrigation in the semi-arid region of northeastern Brazil is increasingly present, so it is necessary to use water with high concentrations of salts for agricultural production, which makes the use of elicitors essential to mitigate the harmful effects of salinity on plants. Given the above, the objective of this study was to evaluate the effects of foliar application of salicylic acid on the mineral composition and production of guava plants under salt stress conditions in the post-grafting phase. The experiment was carried out under greenhouse conditions, in a randomized block design, in a 2 × 4 factorial scheme, with two levels of electrical conductivity of irrigation water (0.6 and 3.2 dS m-1) and four concentrations of salicylic acid (0, 1.2, 2.4, and 3.6 mM), with three replicates. During the flowering stage of guava, N, P, and K contents accumulated in the leaves according to the following order of concentration: N > K > P. Foliar application of 1.2 mM of salicylic acid increases the leaf contents of N, P, and K in guava plants grown under irrigation with water of 0.6 dS m-1. Water salinity of 3.2 dS m-1 reduces the growth and production components of guava plants.
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Claims 3
Claim · model-written summary
Foliar salicylic acid at 1.2 mM increases leaf N, P and K contents of guava grown under 0.6 dS m-1 irrigation water.
- Taxon
- guava
Psidium guajavae1 - Treatment
- Foliar application of 1.2 mM of salicylic acide1
- Outcome
- leaf contents of N, P, and Ke1
- Direction
- increasese1
- Qualifier
- irrigation with water of 0.6 dS m-1e1
- Setting
- greenhouse conditionse3
Not reportedComparator
Organisms pictured · Representative pictures of the matched species, not figures from the paper.
Verbatim
t0“Mineral composition and production of guava under salt stress and salicylic acid”
e1“Foliar application of 1.2 mM of salicylic acid increases the leaf contents of N, P, and K in guava plants grown under irrigation with water of 0.6 dS m-1”
e3“The experiment was carried out under greenhouse conditions”
Claim · model-written summary
Water salinity of 3.2 dS m-1 reduces growth and production components of guava.
- Taxon
- guavaPsidium guajavae2
- Treatment
- Water salinity of 3.2 dS m-1e2
- Outcome
- growth and production componentse2
- Direction
- reducese2
Not reportedComparator
Organisms pictured · Representative pictures of the matched species, not figures from the paper.
Verbatim
t0“Mineral composition and production of guava under salt stress and salicylic acid”
e2“Water salinity of 3.2 dS m-1 reduces the growth and production components of guava plants”
Claim · model-written summary
During the flowering stage, guava leaves accumulated N, P and K in the order N > K > P.
- Taxon
- guavaPsidium guajavae0
- Organ / stage
- flowering stagee0
- Outcome
- contents accumulated in the leavese0
- Qualifier
- according to the following order of concentration: N > K > Pe0
Organisms pictured · Representative pictures of the matched species, not figures from the paper.
Verbatim
t0“Mineral composition and production of guava under salt stress and salicylic acid”
e0“During the flowering stage of guava, N, P, and K contents accumulated in the leaves according to the following order of concentration: N > K > P”
The same questions in other papers
application · nutrient: content · Psidium guajava (guava)Positive and negative results
3 papers in the same direction as this paper · 1 in the opposite direction
- no effect
- positive
- positive
1 paper more in this group
See all 5 papers →salinity · yield · Psidium guajava (guava)Positive and negative results
3 papers in the same direction as this paper · 1 in the opposite direction
- negative
- positive
- negative
1 paper more in this group
See all 5 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.