Abstract
The Maracaibo plain has acceptable agroecological conditions for mango production. In this study, the influence of pruning and both potassium nitrate and potassium tiosulphate applications were evaluated on flowering characteristics of the cultivars Irwin and Tommy Atkins, which are produced in this region. The research was conducted on the Maracaibo plain, at the Centro Fruticola (CENFRUZU), Mara County, Zulia State, Venezuela. A factorial design was used, with two treatments of pruning at two levels (with and without pruning), two flowering inductor levels (potassium nitrate KNO 3 6% and potassium tiosulphate TSK 1%), plus a control treatment, without neither pruning nor promotors. The treatments were located at random using two cultivars: Irwin and Tommy Atkins with four plants per treatment. The experiment was repeated during two productive cycles (2003-2004 and 2004-2005). For each cycle, two different experiments were carried out considering the treatment application date: early and late induction, for a total of four experiments. Panicle length and width, panicle number per plant, number of hermaphrodite and masculine flowers, and hermaphrodite and masculine flowers ratio were evaluated. On the Irwin cultivar, the panicles number increased from 550% to 600% with the application of potassium nitrate, during early induction and 200% during the late one. On the Tommy Atkins cultivar, the effect of potassium nitrate on panicles number was lower. The hermaphrodite-masculine flowers ratio increased with the potassium nitrate application on the Irwin cultivar during early induction. Panicle size decreased when potassium tiosulphate was applied in combination with pruning in both cultivars and induction dates. These results showed that potassium nitrate combined with pruning on the Irwin cultivar produced the best effect on floral characteristics, when compared to the control.
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Claims 6
Claim · model-written summary
On the Irwin cultivar, potassium nitrate increased panicle number from 550% to 600% during early induction.
- Taxon
- mango
_from_India.jpg?width=60)
Mangifera indicat0 - Material
- Irwine1
- Treatment
- application of potassium nitratee1
- Outcome
- panicles numbere1
- Direction
- increasede1
- Value
- 550% to 600%e1
- Qualifier
- during early inductione1
Not reportedComparator
Organisms pictured · Representative pictures of the matched species, not figures from the paper.
_from_India.jpg?width=500)
Verbatim
t0“mango (Mangifera indica L.)”
e1“On the Irwin cultivar, the panicles number increased from 550% to 600% with the application of potassium nitrate, during early induction and 200% during the late one”
Claim · model-written summary
On the Irwin cultivar, potassium nitrate increased panicle number by 200% during late induction.
- Taxon
- mangoMangifera indicat0
- Material
- Irwine1
- Treatment
- application of potassium nitratee1
- Outcome
- panicles numbere1
- Direction
- increasede1
- Value
- 200%e1
- Qualifier
- during the late onee1
Not reportedComparator
Organisms pictured · Representative pictures of the matched species, not figures from the paper.
Verbatim
t0“mango (Mangifera indica L.)”
e1“On the Irwin cultivar, the panicles number increased from 550% to 600% with the application of potassium nitrate, during early induction and 200% during the late one”
Claim · model-written summary
On the Tommy Atkins cultivar, the effect of potassium nitrate on panicle number was lower.
- Taxon
- mangoMangifera indicat0
- Material
- Tommy Atkinse2
- Treatment
- potassium nitratee2
- Outcome
- panicles numbere2
- Direction
- lowere2
Not reportedComparator
Organisms pictured · Representative pictures of the matched species, not figures from the paper.
Verbatim
t0“mango (Mangifera indica L.)”
e2“On the Tommy Atkins cultivar, the effect of potassium nitrate on panicles number was lower”
Claim · model-written summary
On the Irwin cultivar, potassium nitrate increased the hermaphrodite-masculine flowers ratio during early induction.
- Taxon
- mangoMangifera indicat0
- Material
- Irwine3
- Treatment
- potassium nitrate applicatione3
- Outcome
- hermaphrodite-masculine flowers ratioe3
- Direction
- increasede3
- Qualifier
- during early inductione3
Not reportedComparator
Organisms pictured · Representative pictures of the matched species, not figures from the paper.
Verbatim
t0“mango (Mangifera indica L.)”
e3“The hermaphrodite-masculine flowers ratio increased with the potassium nitrate application on the Irwin cultivar during early induction”
Claim · model-written summary
Potassium tiosulphate applied with pruning decreased panicle size in both cultivars and induction dates.
- Taxon
- mangoMangifera indicat0
- Treatment
- potassium tiosulphate was applied in combination with pruninge4
- Outcome
- Panicle sizee4
- Direction
- decreasede4
Not reportedComparator
Organisms pictured · Representative pictures of the matched species, not figures from the paper.
Verbatim
t0“mango (Mangifera indica L.)”
e4“Panicle size decreased when potassium tiosulphate was applied in combination with pruning in both cultivars and induction dates”
Claim · model-written summary
Potassium nitrate combined with pruning gave the best effect on floral characteristics of the Irwin cultivar compared with the control.
- Taxon
- mangoMangifera indicat0
- Material
- Irwine5
- Treatment
- potassium nitrate combined with pruninge5
- Outcome
- floral characteristicse5
- Direction
- beste5
- Comparator
- controle5
Organisms pictured · Representative pictures of the matched species, not figures from the paper.
Verbatim
t0“mango (Mangifera indica L.)”
e5“These results showed that potassium nitrate combined with pruning on the Irwin cultivar produced the best effect on floral characteristics, when compared to the control”
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