Abstract
ABSTRACT Paclobutrazol application in mango tree floral induction is followed by changes in the hormonal balance and carbohydrates production. This study aimed at evaluating the physiological and biochemical variables of mango tree (Palmer cultivar) by applying paclobutrazol doses via irrigation. The experimental design was randomized blocks, with five paclobutrazol doses (0.7 g, 1.0 g, 1.3 g, 1.6 g and 1.9 g of a.i. per linear meter of canopy) and one additional treatment, with one dose in the conventional form of application (1.9 g of a.i. per linear meter of canopy), and four replicates. The variables analyzed were: photosynthesis rate; stomatal conductance; transpiration; leaf temperature; CO2 ratio; total protein content; reducing, non-reducing and total soluble sugars in leaf tissue and fruit; and nitrate reductase enzyme. The lowest values for photosynthesis rate and stomatal conductance were obtained with paclobutrazol applied via irrigation. The highest values for gas exchange were obtained with the lowest paclobutrazol doses applied via irrigation, showing that this kind of application is efficient and that it is possible to reduce the application dose via irrigation system. The highest carbohydrate contents in the leaf tissue were observed for the doses of 1.06 g and 1.09 g of a.i. per linear meter of canopy, applied via irrigation. The carbohydrate contents in fruits decreased in response to the paclobutrazol dose. The application methods and doses applied via irrigation did not influence the nitrate reductase activity.
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Claims 6
Claim · model-written summary
Photosynthesis rate and stomatal conductance were lowest with paclobutrazol applied via irrigation.
- Taxon
- mango tree
_from_India.jpg?width=60)
Mangifera indicae1 - Material
- Palmere1
- Treatment
- paclobutrazol applied via irrigatione2
- Outcome
- photosynthesis rate and stomatal conductancee2
- Direction
- loweste2
Not reportedComparator
Organisms pictured · Representative pictures of the matched species, not figures from the paper.
_from_India.jpg?width=500)
Verbatim
e1“This study aimed at evaluating the physiological and biochemical variables of mango tree (Palmer cultivar) by applying paclobutrazol doses via irrigation”
e2“The lowest values for photosynthesis rate and stomatal conductance were obtained with paclobutrazol applied via irrigation”
Claim · model-written summary
Gas exchange was highest with the lowest paclobutrazol doses applied via irrigation, which the authors call efficient.
- Taxon
- mango treeMangifera indicae1
- Material
- Palmere1
- Treatment
- lowest paclobutrazol doses applied via irrigatione3
- Outcome
- gas exchangee3
- Direction
- higheste3
Not reportedComparator
Organisms pictured · Representative pictures of the matched species, not figures from the paper.
Verbatim
e1“This study aimed at evaluating the physiological and biochemical variables of mango tree (Palmer cultivar) by applying paclobutrazol doses via irrigation”
e3“The highest values for gas exchange were obtained with the lowest paclobutrazol doses applied via irrigation, showing that this kind of application is efficient”
Claim · model-written summary
Leaf carbohydrate contents were highest at 1.06 g and 1.09 g a.i. per linear meter of canopy applied via irrigation.
- Taxon
- mango treeMangifera indicae1
- Material
- Palmere1
- Organ / stage
- leaf tissuee4
- Treatment
- doses of 1.06 g and 1.09 g of a.i. per linear meter of canopy, applied via irrigatione4
- Outcome
- carbohydrate contents in the leaf tissuee4
- Direction
- higheste4
Not reportedComparator
Organisms pictured · Representative pictures of the matched species, not figures from the paper.
Verbatim
e1“This study aimed at evaluating the physiological and biochemical variables of mango tree (Palmer cultivar) by applying paclobutrazol doses via irrigation”
e4“The highest carbohydrate contents in the leaf tissue were observed for the doses of 1.06 g and 1.09 g of a.i. per linear meter of canopy, applied via irrigation”
Claim · model-written summary
Fruit carbohydrate contents decreased in response to the paclobutrazol dose.
- Taxon
- mango treeMangifera indicae1
- Material
- Palmere1
- Organ / stage
- fruitse5
- Treatment
- paclobutrazol dosee5
- Outcome
- carbohydrate contents in fruitse5
- Direction
- decreasede5
Not reportedComparator
Organisms pictured · Representative pictures of the matched species, not figures from the paper.
Verbatim
e1“This study aimed at evaluating the physiological and biochemical variables of mango tree (Palmer cultivar) by applying paclobutrazol doses via irrigation”
e5“The carbohydrate contents in fruits decreased in response to the paclobutrazol dose”
Claim · model-written summary
Application method and dose via irrigation did not influence nitrate reductase activity.
- Taxon
- mango treeMangifera indicae1
- Material
- Palmere1
- Treatment
- application methods and doses applied via irrigatione6
- Outcome
- nitrate reductase activitye6
- Direction
- did not influencee6
Not reportedComparator
Organisms pictured · Representative pictures of the matched species, not figures from the paper.
Verbatim
e1“This study aimed at evaluating the physiological and biochemical variables of mango tree (Palmer cultivar) by applying paclobutrazol doses via irrigation”
e6“The application methods and doses applied via irrigation did not influence the nitrate reductase activity”
Claim · model-written summary
The authors conclude it is possible to reduce the paclobutrazol dose applied via irrigation (author interpretation).
- Taxon
- mango treeMangifera indicae1
- Outcome
- reduce the application dose via irrigatione3
Organisms pictured · Representative pictures of the matched species, not figures from the paper.
Verbatim
e1“This study aimed at evaluating the physiological and biochemical variables of mango tree (Palmer cultivar) by applying paclobutrazol doses via irrigation”
e3“it is possible to reduce the application dose via irrigation system”
The same questions in other papers
paclobutrazol · physiology: gas exchange · Mangifera indica (mango)Positive and negative results
2 papers in the same direction as this paper · 1 in the opposite direction
- negative
- positive
- positive
irrigation · physiology: gas exchange · Mangifera indica (mango)Positive and negative results
4 papers in the same direction as this paper · 1 in the opposite direction
- negative
- positive
- positive
2 papers more in this group
See all 6 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.