Abstract
Floral induction in mango trees depends on nitrate to stimulate flowering, a process mediated by the enzyme nitrate reductase, whose activity is influenced by molybdenum (Mo). However, the interaction among these factors is still not fully understood. This study aimed to evaluate the effect of Mo supplementation on nitrate reductase activity and its relationship with mango flowering. The experiment was conducted over two growing trials (2022/2023 and 2023/2024) in two orchards of ‘Tommy Atkins’ mango trees located in Petrolina, Brazil. A randomised block design was used in a strip-split plot arrangement with a 4 × 2 factorial scheme: four Mo concentrations (0.000, 0.100, 0.225, and 0.375 g L−1) and two calcium nitrate concentrations (standard and reduced). Foliar applications of Mo and calcium nitrate were carried out during the floral induction period. Nitrate reductase activity was positively correlated with global solar radiation. Overall, Mo supplementation improved nitrate reductase activity, the Mo-to-N ratio, flowering, and fruit yield. The concentration of 0.225 g L−1 of Mo combined with a 0.475% reduction in the standard nitrate concentration was the most efficient treatment in promoting reproductive responses. The balanced application of Mo and nitrate proved to be an effective strategy to enhance nitrate assimilation and optimise the flowering and productivity of mango trees.
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Claims 5
Claim · model-written summary
Mo supplementation improved nitrate reductase activity and the Mo-to-N ratio in mango trees.
- Taxon
- mango trees
_from_India.jpg?width=60)
Mangifera indicae0 - Treatment
- Mo supplementatione1
- Outcome
- nitrate reductase activity, the Mo-to-N ratioe1
- Direction
- improvede1
Not reportedComparator
Organisms pictured · Representative pictures of the matched species, not figures from the paper.
_from_India.jpg?width=500)
Verbatim
e0“Floral induction in mango trees”
e1“Overall, Mo supplementation improved nitrate reductase activity, the Mo-to-N ratio, flowering, and fruit yield”
Claim · model-written summary
Mo supplementation improved flowering and fruit yield of mango trees.
- Taxon
- mango treesMangifera indicae0
- Treatment
- Mo supplementatione1
- Outcome
- flowering, and fruit yielde1
- Direction
- improvede1
Not reportedComparator
Organisms pictured · Representative pictures of the matched species, not figures from the paper.
Verbatim
e0“Floral induction in mango trees”
e1“Overall, Mo supplementation improved nitrate reductase activity, the Mo-to-N ratio, flowering, and fruit yield”
Claim · model-written summary
Nitrate reductase activity in mango trees was positively correlated with global solar radiation.
- Taxon
- mango treesMangifera indicae0
- Treatment
- global solar radiatione3
- Outcome
- Nitrate reductase activitye3
- Direction
- positively correlatede3
Organisms pictured · Representative pictures of the matched species, not figures from the paper.
Verbatim
e0“Floral induction in mango trees”
e3“Nitrate reductase activity was positively correlated with global solar radiation”
Claim · model-written summary
Mo at 0.225 g L−1 combined with a 0.475% reduction in standard nitrate was the most efficient treatment for reproductive responses in mango trees.
- Taxon
- mango treesMangifera indicae0
- Treatment
- The concentration of 0.225 g L−1 of Mo combined with a 0.475% reduction in the standard nitrate concentratione4
- Outcome
- reproductive responsese4
- Direction
- promotinge4
Not reportedComparator
Organisms pictured · Representative pictures of the matched species, not figures from the paper.
Verbatim
e0“Floral induction in mango trees”
e4“The concentration of 0.225 g L−1 of Mo combined with a 0.475% reduction in the standard nitrate concentration was the most efficient treatment in promoting reproductive responses”
Claim · model-written summary
Balanced application of Mo and nitrate enhanced nitrate assimilation in mango trees.
- Taxon
- mango treesMangifera indicae5
- Treatment
- The balanced application of Mo and nitratee5
- Outcome
- nitrate assimilatione5
- Direction
- enhancee5
Not reportedComparator
Organisms pictured · Representative pictures of the matched species, not figures from the paper.
Verbatim
e5“The balanced application of Mo and nitrate proved to be an effective strategy to enhance nitrate assimilation and optimise the flowering and productivity of mango trees”
The same questions in other papers
molybdenum atom · yield · Mangifera indica (mango)Results agree
1 paper in the same direction as this paper
- positive
molybdenum atom · nutrient: content · Mangifera indica (mango)Results agree
1 paper in the same direction as this paper
- positive
nitrogen · nutrient: content · Mangifera indica (mango)Positive and negative results
3 papers in the same direction as this paper · 1 in the opposite direction
- negative
- positive
- positive
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.