Abstract
Summary. Mango ( Mangifera indica cv. Kensington Pride) is the main horticultural tree crop grown in the tropical regions of northern Australia. A major problem for growers is that flowering and fruiting of this cultivar is highly variable from year to year. A series of field experiments was conducted to evaluate cincturing and chemical treatments as a means of improving mango productivity. A standard cincture (Cincture) was compared with a modified technique in which twine was tied tightly into a cincture groove (Twine). The chemical treatment was based on a morphactin formulation (MF) and was introduced to the trees by either painting directly onto the bark of the tree trunk (MF-paint) or soaking twine in MF before tying it into a trunk cincture (MF-twine). The amount of morphactin applied varied with tree age and was in the range from 0–0.06 g active ingredient (a.i.) per tree. Tree responses, measured in terms of vegetative growth, flowering and fruiting, were compared with trees that had been treated with a physical cincture only, or with paclobutrazol (up to 5.0 g a.i.), applied as a collar drench. In young (3–8-year-old) trees, Twine, MF-twine and MF-paint had a positive effect on flowering and fruiting. These trees had earlier, more intense flowering, produced early (September) maturing fruit (up to about 4-fold increase) and had high fruit production (up to about 2-fold increase in fruit number) compared with controls. In some cases vegetative growth was reduced by 50–60% compared with untreated trees. Twine and MF-twine are favoured over MF-paint because (i) the paint must be applied annually, incurring high labour costs, and (ii) paint treatments carry the risk of overdosing the trees with morphactin. The positive effects of Twine and MF-twine treatments were sustained, with large responses in flowering and/or fruiting 2–4 years after application. The responses in fruit production from paclobutrazol, applied at rates based on manufacturer’s recommendations, were less than with Twine, MF-twine or MF-paint.
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Claims 15
Claim · model-written summary
Twine promoted earlier and more intense flowering in young mango trees.
- Taxon
- mango
_from_India.jpg?width=60)
Mangifera indicat0 - Treatment
- Twinee0
- Outcome
- floweringe0
- Direction
- earliere0
- Qualifier
- young (3–8-year-old) treese0
Not reportedComparator
Organisms pictured · Representative pictures of the matched species, not figures from the paper.
_from_India.jpg?width=500)
Verbatim
e0“In young (3–8-year-old) trees, Twine, MF-twine and MF-paint had a positive effect on flowering and fruiting. These trees had earlier, more intense flowering”
t0“mango ( Mangifera indica L.)”
Claim · model-written summary
MF-twine promoted earlier and more intense flowering in young mango trees.
- Taxon
- mangoMangifera indicat0
- Treatment
- MF-twinee0
- Outcome
- floweringe0
- Direction
- earliere0
Not reportedComparator
Organisms pictured · Representative pictures of the matched species, not figures from the paper.
Verbatim
e0“In young (3–8-year-old) trees, Twine, MF-twine and MF-paint had a positive effect on flowering and fruiting. These trees had earlier, more intense flowering”
t0“mango ( Mangifera indica L.)”
Claim · model-written summary
MF-paint promoted earlier and more intense flowering in young mango trees.
- Taxon
- mangoMangifera indicat0
- Treatment
- MF-painte0
- Outcome
- floweringe0
- Direction
- earliere0
Not reportedComparator
Organisms pictured · Representative pictures of the matched species, not figures from the paper.
Verbatim
e0“In young (3–8-year-old) trees, Twine, MF-twine and MF-paint had a positive effect on flowering and fruiting. These trees had earlier, more intense flowering”
t0“mango ( Mangifera indica L.)”
Claim · model-written summary
Twine increased early maturing fruit up to about fourfold.
- Taxon
- mangoMangifera indicat0
- Treatment
- Twinee0
- Outcome
- early (September) maturing fruite0
- Direction
- increasee0
- Value
- up to about 4-folde0
Not reportedComparator
Organisms pictured · Representative pictures of the matched species, not figures from the paper.
Verbatim
e0“Twine, MF-twine and MF-paint had a positive effect on flowering and fruiting. These trees had earlier, more intense flowering, produced early (September) maturing fruit (up to about 4-fold increase)”
t0“mango”
Claim · model-written summary
MF-twine increased early maturing fruit up to about fourfold.
- Taxon
- mangoMangifera indicat0
- Treatment
- MF-twinee0
- Outcome
- early (September) maturing fruite0
- Direction
- increasee0
- Value
- up to about 4-folde0
Not reportedComparator
Organisms pictured · Representative pictures of the matched species, not figures from the paper.
Verbatim
e0“Twine, MF-twine and MF-paint had a positive effect on flowering and fruiting. These trees had earlier, more intense flowering, produced early (September) maturing fruit (up to about 4-fold increase)”
t0“mango”
Claim · model-written summary
MF-paint increased early maturing fruit up to about fourfold.
- Taxon
- mangoMangifera indicat0
- Treatment
- MF-painte0
- Outcome
- early (September) maturing fruite0
- Direction
- increasee0
- Value
- up to about 4-folde0
Not reportedComparator
Organisms pictured · Representative pictures of the matched species, not figures from the paper.
Verbatim
e0“Twine, MF-twine and MF-paint had a positive effect on flowering and fruiting. These trees had earlier, more intense flowering, produced early (September) maturing fruit (up to about 4-fold increase)”
t0“mango”
Claim · model-written summary
Twine increased fruit number up to about twofold.
- Taxon
- mangoMangifera indicat0
- Treatment
- Twinee0
- Outcome
- fruit numbere0
- Direction
- increasee0
- Value
- up to about 2-folde0
- Comparator
- controlse0
Organisms pictured · Representative pictures of the matched species, not figures from the paper.
Verbatim
e0“Twine, MF-twine and MF-paint had a positive effect on flowering and fruiting. These trees had earlier, more intense flowering, produced early (September) maturing fruit (up to about 4-fold increase) and had high fruit production (up to about 2-fold increase in fruit number) compared with controls”
t0“mango”
Claim · model-written summary
MF-twine increased fruit number up to about twofold.
- Taxon
- mangoMangifera indicat0
- Treatment
- MF-twinee0
- Outcome
- fruit numbere0
- Direction
- increasee0
- Value
- up to about 2-folde0
- Comparator
- controlse0
Organisms pictured · Representative pictures of the matched species, not figures from the paper.
Verbatim
e0“Twine, MF-twine and MF-paint had a positive effect on flowering and fruiting. These trees had earlier, more intense flowering, produced early (September) maturing fruit (up to about 4-fold increase) and had high fruit production (up to about 2-fold increase in fruit number) compared with controls”
t0“mango”
Claim · model-written summary
MF-paint increased fruit number up to about twofold.
- Taxon
- mangoMangifera indicat0
- Treatment
- MF-painte0
- Outcome
- fruit numbere0
- Direction
- increasee0
- Value
- up to about 2-folde0
- Comparator
- controlse0
Organisms pictured · Representative pictures of the matched species, not figures from the paper.
Verbatim
e0“Twine, MF-twine and MF-paint had a positive effect on flowering and fruiting. These trees had earlier, more intense flowering, produced early (September) maturing fruit (up to about 4-fold increase) and had high fruit production (up to about 2-fold increase in fruit number) compared with controls”
t0“mango”
Claim · model-written summary
Some treatments reduced vegetative growth by 50–60%.
- Taxon
- mangoMangifera indicat0
- Outcome
- vegetative growthe0
- Direction
- reducede0
- Value
- 50–60%e0
- Comparator
- untreated treese0
Not reportedTreatment
Organisms pictured · Representative pictures of the matched species, not figures from the paper.
Verbatim
e0“In some cases vegetative growth was reduced by 50–60% compared with untreated trees”
t0“mango”
Claim · model-written summary
Twine effects on flowering or fruiting persisted for 2–4 years.
- Taxon
- mangoMangifera indicat0
- Treatment
- Twinee0
- Outcome
- flowering and/or fruitinge0
- Direction
- sustainede0
- Value
- 2–4 yearse0
Organisms pictured · Representative pictures of the matched species, not figures from the paper.
Verbatim
e0“positive effects of Twine and MF-twine treatments were sustained, with large responses in flowering and/or fruiting 2–4 years after application”
t0“mango”
Claim · model-written summary
MF-twine effects on flowering or fruiting persisted for 2–4 years.
- Taxon
- mangoMangifera indicat0
- Treatment
- MF-twinee0
- Outcome
- flowering and/or fruitinge0
- Direction
- sustainede0
- Value
- 2–4 yearse0
Organisms pictured · Representative pictures of the matched species, not figures from the paper.
Verbatim
e0“positive effects of Twine and MF-twine treatments were sustained, with large responses in flowering and/or fruiting 2–4 years after application”
t0“mango”
Claim · model-written summary
Paclobutrazol produced less fruit than Twine treatment.
- Taxon
- mangoMangifera indicat0
- Treatment
- paclobutrazole0
- Outcome
- fruit productione0
- Direction
- lesse0
- Comparator
- Twinee0
Organisms pictured · Representative pictures of the matched species, not figures from the paper.
Verbatim
e0“responses in fruit production from paclobutrazol, applied at rates based on manufacturer’s recommendations, were less than with Twine, MF-twine or MF-paint”
t0“mango”
Claim · model-written summary
Paclobutrazol produced less fruit than MF-twine treatment.
- Taxon
- mangoMangifera indicat0
- Treatment
- paclobutrazole0
- Outcome
- fruit productione0
- Direction
- lesse0
- Comparator
- MF-twinee0
Organisms pictured · Representative pictures of the matched species, not figures from the paper.
Verbatim
e0“responses in fruit production from paclobutrazol, applied at rates based on manufacturer’s recommendations, were less than with Twine, MF-twine or MF-paint”
t0“mango”
Claim · model-written summary
Paclobutrazol produced less fruit than MF-paint treatment.
- Taxon
- mangoMangifera indicat0
- Treatment
- paclobutrazole0
- Outcome
- fruit productione0
- Direction
- lesse0
- Comparator
- MF-painte0
Organisms pictured · Representative pictures of the matched species, not figures from the paper.
Verbatim
e0“responses in fruit production from paclobutrazol, applied at rates based on manufacturer’s recommendations, were less than with Twine, MF-twine or MF-paint”
t0“mango”
The same questions in other papers
paclobutrazol · yield · Mangifera indica (mango)Results differ
6 papers in the same direction as this paper · 44 in the opposite direction
- positive
- positive
- positive
47 papers more in this group
See all 51 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.