Abstract
To compare the effect of methods (foliar and soil) and rate of application of zinc sulphate on zinc and phosphorus uptake, tree size, yield and fruit quality of mango (Mangifera indica L.) cv. Dusheri, zinc sulphate was applied as a foliar spray application (0.25, 0.50, 1.0%) and soil (0.5, 1.0, 2.0 kg tree‐1) treatments during the second week of October (during flower bud differentiation period). All the zinc sulphate treatments of soil and foliar spray were effective in increasing the leaf zinc concentrations above recommended adequate level of (>20 mg kg‐1) whereas control trees maintained low leaf zinc concentrations (13.8 to 13.3 mg kg‐1). The uptake of foliar‐applied zinc was more rapid than that of soil applied zinc. All the treatments of zinc sulphate except the foliar spray treatment of zinc sulphate (0.25%) significantly increased zinc concentrations in the fruit pulp as compared with those in the control trees. The percent increase in the stem girth of trees was highest with the soil application of zinc sulphate (0.5 kg tree1) followed by foliar application of zinc sulphate (1.0%) as compared with all other treatments. The percent increase in the tree canopy volume was highest with the foliar application of zinc sulphate (1.0%) followed by soil application of zinc sulphate (1.0 kg tree1) as compared with control and all other treatments. There was no significant (P<0.05) increase in yield, fruit size and weight, pulp or stone weight with any treatment of zinc sulphate. Total soluble solid (TSS) in the fruit was significantly higher (18.6%) with the treatment of soil application of zinc sulphate (0.5 kg tree1) as compared with all other treatments of zinc sulphate and the control. Acid and sugar content of the fruit was not significantly affected by the foliar or soil application of zinc sulphate.
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Claims 8
Claim · model-written summary
All soil and foliar zinc sulphate treatments raised leaf zinc concentrations above the recommended adequate level, whereas control trees stayed low.
- Taxon
- mango
_from_India.jpg?width=60)
Mangifera indicat0 - Organ / stage
- leafe0
- Treatment
- zinc sulphate treatments of soil and foliar spraye0
- Outcome
- leaf zinc concentrationse0
- Direction
- increasinge0
- Comparator
- control treese1
Organisms pictured · Representative pictures of the matched species, not figures from the paper.
_from_India.jpg?width=500)
Verbatim
t0“mango”
e0“All the zinc sulphate treatments of soil and foliar spray were effective in increasing the leaf zinc concentrations above recommended adequate level”
e1“whereas control trees maintained low leaf zinc concentrations”
Claim · model-written summary
Uptake of foliar-applied zinc was more rapid than that of soil-applied zinc.
- Taxon
- mangoMangifera indicat0
- Treatment
- foliare0
- Outcome
- uptakee0
- Direction
- more rapide1
- Comparator
- soil applied zince1
Organisms pictured · Representative pictures of the matched species, not figures from the paper.
Verbatim
t0“mango”
e0“The uptake of foliar”
e1“was more rapid than that of soil applied zinc”
Claim · model-written summary
All zinc sulphate treatments except 0.25% foliar spray significantly increased zinc concentration in fruit pulp compared with control trees.
- Taxon
- mangoMangifera indicat0
- Organ / stage
- fruit pulpe0
- Treatment
- treatments of zinc sulphatee0
- Outcome
- zinc concentrations in the fruit pulpe0
- Direction
- increasede0
- Qualifier
- except the foliar spray treatment of zinc sulphate (0.25%)e0
- Comparator
- control treese0
Organisms pictured · Representative pictures of the matched species, not figures from the paper.
Verbatim
t0“mango”
e0“All the treatments of zinc sulphate except the foliar spray treatment of zinc sulphate (0.25%) significantly increased zinc concentrations in the fruit pulp as compared with those in the control trees”
Claim · model-written summary
The percent increase in tree stem girth was highest with soil application of zinc sulphate, followed by 1.0% foliar application.
- Taxon
- mangoMangifera indicat0
- Treatment
- soil application of zinc sulphatee0
- Outcome
- percent increase in the stem girthe0
- Direction
- higheste0
Not reportedComparator
Organisms pictured · Representative pictures of the matched species, not figures from the paper.
Verbatim
t0“mango”
e0“The percent increase in the stem girth of trees was highest with the soil application of zinc sulphate”
Claim · model-written summary
The percent increase in tree canopy volume was highest with 1.0% foliar zinc sulphate, followed by soil application of 1.0 kg per tree.
- Taxon
- mangoMangifera indicat0
- Treatment
- foliar application of zinc sulphate (1.0%)e0
- Outcome
- percent increase in the tree canopy volumee0
- Direction
- higheste0
Not reportedComparator
Organisms pictured · Representative pictures of the matched species, not figures from the paper.
Verbatim
t0“mango”
e0“The percent increase in the tree canopy volume was highest with the foliar application of zinc sulphate (1.0%)”
Claim · model-written summary
No zinc sulphate treatment significantly increased yield, fruit size and weight, or pulp and stone weight.
- Taxon
- mangoMangifera indicat0
- Treatment
- any treatment of zinc sulphatee0
- Outcome
- yield, fruit size and weight, pulp or stone weighte0
- Direction
- no significant (P<0.05) increasee0
Not reportedComparator
Organisms pictured · Representative pictures of the matched species, not figures from the paper.
Verbatim
t0“mango”
e0“There was no significant (P<0.05) increase in yield, fruit size and weight, pulp or stone weight with any treatment of zinc sulphate”
Claim · model-written summary
Fruit total soluble solids were significantly higher, 18.6%, with soil application of zinc sulphate than with the other treatments and control.
- Taxon
- mangoMangifera indicat0
- Treatment
- soil application of zinc sulphatee0
- Outcome
- Total soluble solid (TSS)e0
- Direction
- highere0
- Value
- 18.6%e0
Not reportedComparator
Organisms pictured · Representative pictures of the matched species, not figures from the paper.
Verbatim
t0“mango”
e0“Total soluble solid (TSS) in the fruit was significantly higher (18.6%) with the treatment of soil application of zinc sulphate”
Claim · model-written summary
Fruit acid and sugar content were not significantly affected by foliar or soil zinc sulphate application.
- Taxon
- mangoMangifera indicat0
- Treatment
- foliar or soil application of zinc sulphatee0
- Outcome
- Acid and sugar contente0
- Direction
- no_changeinferrede0
Not reportedComparator
Organisms pictured · Representative pictures of the matched species, not figures from the paper.
Verbatim
t0“mango”
e0“Acid and sugar content of the fruit was not significantly affected by the foliar or soil application of zinc sulphate”
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