Abstract
Boron (B) remobilization, mannitol and glucose concentrations, and the effect of B application on changes in soluble carbohydrates were investigated in various organs of bearing `Manzanillo' olive trees ( Olea europaea L. `Manzanillo'). Following foliar 10 B application to leaves of various ages, there was significant 10 B export out of the treated leaves, and significant 10 B enrichment in nontreated adjacent organs, including inflorescences and fruit. Results demonstrated that B can be remobilized from leaves of various ages, and that foliar-applied B is phloem mobile in olive. Soluble carbohydrate analysis determined that mannitol and glucose are the predominant sugars in all organs analyzed and that the mannitol concentration in the leaves is adequate to account for all B transport. This is consistent with observations in other species, where the presence of mannitol is known to facilitate phloem B transport through formation of a mannitol-B complex. Previous reports have indicated that B application can alter carbohydrate metabolism. In the present study, foliar B application significantly suppressed glucose concentration in the leaf petioles of all ages and increased mannitol in petioles of the current-year-developed leaves.
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Claims 7
Claim · model-written summary
Foliar boron treatment produced significant boron export from treated leaves.
- Taxon
- olive
Olea europaeat0 - Organ / stage
- leaves of various agese0
- Treatment
- foliar 10 B applicatione0
- Outcome
- 10 B export out of the treated leavese0
- Direction
- exporte0
Not reportedComparator
Organisms pictured · Representative pictures of the matched species, not figures from the paper.
Verbatim
e0“Following foliar 10 B application to leaves of various ages, there was significant 10 B export out of the treated leaves”
t0“olive”
Claim · model-written summary
Foliar boron treatment significantly enriched untreated adjacent organs including inflorescences and fruit.
- Taxon
- oliveOlea europaeat0
- Organ / stage
- inflorescences and fruite0
- Treatment
- foliar 10 B applicationt1
- Outcome
- 10 B enrichmente0
- Direction
- enrichmente0
Not reportedComparator
Organisms pictured · Representative pictures of the matched species, not figures from the paper.
Verbatim
e0“significant 10 B enrichment in nontreated adjacent organs, including inflorescences and fruit”
t0“olive”
t1“foliar 10 B application”
Claim · model-written summary
Boron was remobilized from olive leaves of various ages and foliar boron was phloem mobile.
- Taxon
- oliveOlea europaeae0
- Outcome
- B can be remobilized from leaves of various ages, and that foliar-applied B is phloem mobilee0
Organisms pictured · Representative pictures of the matched species, not figures from the paper.
Verbatim
e0“Results demonstrated that B can be remobilized from leaves of various ages, and that foliar-applied B is phloem mobile in olive”
Claim · model-written summary
Mannitol and glucose were the predominant sugars in all analyzed olive organs.
- Taxon
- oliveOlea europaeat0
- Outcome
- mannitol and glucose are the predominant sugarse0
Organisms pictured · Representative pictures of the matched species, not figures from the paper.
Verbatim
e0“mannitol and glucose are the predominant sugars in all organs analyzed”
t0“olive”
Claim · model-written summary
Leaf mannitol concentration was sufficient to account for all boron transport.
- Taxon
- oliveOlea europaeat0
- Outcome
- mannitol concentration in the leavese0
- Qualifier
- adequate to account for all B transporte0
Organisms pictured · Representative pictures of the matched species, not figures from the paper.
Verbatim
e0“the mannitol concentration in the leaves is adequate to account for all B transport”
t0“olive”
Claim · model-written summary
Foliar boron significantly suppressed glucose concentration in leaf petioles of all ages.
- Taxon
- oliveOlea europaeat0
- Organ / stage
- leaf petioles of all agese0
- Treatment
- foliar B applicatione0
- Outcome
- glucose concentratione0
- Direction
- suppressede0
Not reportedComparator
Organisms pictured · Representative pictures of the matched species, not figures from the paper.
Verbatim
e0“foliar B application significantly suppressed glucose concentration in the leaf petioles of all ages”
t0“olive”
Claim · model-written summary
Foliar boron increased mannitol in current-year leaf petioles.
- Taxon
- oliveOlea europaeat0
- Organ / stage
- current-year-developed leavese0
- Treatment
- foliar B applicatione0
- Outcome
- mannitol in petiolese0
- Direction
- increasede0
Not reportedComparator
Organisms pictured · Representative pictures of the matched species, not figures from the paper.
Verbatim
e0“foliar B application significantly suppressed glucose concentration in the leaf petioles of all ages and increased mannitol in petioles of the current-year-developed leaves”
t0“olive”
The same questions in other papers
boron atom · molecular: metabolites · Olea europaea (common olive)Positive and negative results
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- negative
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8 papers in the same direction as this paper · 3 in the opposite direction
- no effect
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See all 12 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.