Abstract
In Brazilian regions affected by the citrus sudden death disease, sweet orange cultivation depends on the use of resistant rootstocks. Rangpur lime was mainly replaced by Swingle citrumelo and Sunki mandarin rootstocks, more drought-sensitive ones. The diversification of scion selections is also desirable aiming at the increasing demand for not from concentrate orange juice (NFC) that requires high-quality fruits. In this work, we evaluated the performance of 6 selections of Valencia (IAC, Dom João, Late Burjasot IVIA 35-2, Rhode Red SRA 360, Temprana IVIA 25 and Campbell) and Natal IAC sweet oranges grafted onto Swingle citrumelo and Sunki mandarin. The planting occurred in 2001 under rain-fed cultivation in Bebedouro, northern São Paulo state, Brazil. The outline was made through randomized blocks in a 7 × 2 factorial design (selections × rootstock), with 4 replications and 2 trees in unit. Both rootstocks performed well in the region. Sunki mandarin rootstock induced greater tree size and production per plant to the scion selections, 38 and 21%, respectively, plus higher precocity of production compared to Swingle citrumelo. The later determined a greater productive efficiency, as well as a greater percentage of juice in general, albeit with lower concentrations of soluble solids and acidity. Natal IAC, Valencia IAC and Rhode Red Valencia selections presented a higher accumulated production, on average, 218.6 kg∙plant−1 (2004 – 2008), and a higher productive efficiency (kg fruit∙m−3 of canopy) due to their smaller tree size. All assessed selections produced fruits with high soluble solids content that were suitable for juice processing.
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Claims 10
Claim · model-written summary
Both rootstocks performed well in the region.
- Taxon
- sweet orange
Citrus sinensist0 - Outcome
- performed welle0
Organisms pictured · Representative pictures of the matched species, not figures from the paper.
Verbatim
e0“Both rootstocks performed well in the region”
t0“sweet orange”
Claim · model-written summary
Sunki mandarin rootstock increased scion tree size by 38% relative to Swingle citrumelo.
- Taxon
- sweet orangeCitrus sinensist0
- Treatment
- Sunki mandarin rootstocke0
- Outcome
- tree sizee0
- Direction
- greatere0
- Value
- 38e0
- Comparator
- Swingle citrumeloe0
Organisms pictured · Representative pictures of the matched species, not figures from the paper.
Verbatim
e0“Sunki mandarin rootstock induced greater tree size and production per plant to the scion selections, 38 and 21%, respectively, plus higher precocity of production compared to Swingle citrumelo”
t0“sweet orange”
Claim · model-written summary
Sunki mandarin rootstock increased production per plant by 21% relative to Swingle citrumelo.
- Taxon
- sweet orangeCitrus sinensist0
- Treatment
- Sunki mandarin rootstocke0
- Outcome
- production per plante0
- Direction
- greatere0
- Value
- 21%e0
- Comparator
- Swingle citrumeloe0
Organisms pictured · Representative pictures of the matched species, not figures from the paper.
Verbatim
e0“Sunki mandarin rootstock induced greater tree size and production per plant to the scion selections, 38 and 21%, respectively, plus higher precocity of production compared to Swingle citrumelo”
t0“sweet orange”
Claim · model-written summary
Sunki mandarin rootstock increased production precocity relative to Swingle citrumelo.
- Taxon
- sweet orangeCitrus sinensist0
- Treatment
- Sunki mandarin rootstocke0
- Outcome
- precocity of productione0
- Direction
- highere0
- Comparator
- Swingle citrumeloe0
Organisms pictured · Representative pictures of the matched species, not figures from the paper.
Verbatim
e0“Sunki mandarin rootstock induced greater tree size and production per plant to the scion selections, 38 and 21%, respectively, plus higher precocity of production compared to Swingle citrumelo”
t0“sweet orange”
Claim · model-written summary
Swingle citrumelo gave greater productive efficiency than Sunki mandarin.
- Taxon
- sweet orangeCitrus sinensist0
- Treatment
- Swingle citrumeloe1
- Outcome
- productive efficiencye0
- Direction
- greatere0
- Comparator
- Sunki mandarine1
Organisms pictured · Representative pictures of the matched species, not figures from the paper.
Verbatim
e0“The later determined a greater productive efficiency, as well as a greater percentage of juice in general, albeit with lower concentrations of soluble solids and acidity”
e1“Sunki mandarin rootstock induced greater tree size and production per plant to the scion selections, 38 and 21%, respectively, plus higher precocity of production compared to Swingle citrumelo”
t0“sweet orange”
Claim · model-written summary
Swingle citrumelo gave a greater juice percentage.
- Taxon
- sweet orangeCitrus sinensist0
- Treatment
- Swingle citrumeloe1
- Outcome
- percentage of juicee0
- Direction
- greatere0
- Comparator
- Sunki mandarine1
Organisms pictured · Representative pictures of the matched species, not figures from the paper.
Verbatim
e0“The later determined a greater productive efficiency, as well as a greater percentage of juice in general, albeit with lower concentrations of soluble solids and acidity”
e1“Sunki mandarin rootstock induced greater tree size and production per plant to the scion selections, 38 and 21%, respectively, plus higher precocity of production compared to Swingle citrumelo”
t0“sweet orange”
Claim · model-written summary
Swingle citrumelo gave lower soluble solids and acidity.
- Taxon
- sweet orangeCitrus sinensist0
- Treatment
- Swingle citrumeloe1
- Outcome
- concentrations of soluble solids and aciditye0
- Direction
- lowere0
- Comparator
- Sunki mandarine1
Organisms pictured · Representative pictures of the matched species, not figures from the paper.
Verbatim
e0“The later determined a greater productive efficiency, as well as a greater percentage of juice in general, albeit with lower concentrations of soluble solids and acidity”
e1“Sunki mandarin rootstock induced greater tree size and production per plant to the scion selections, 38 and 21%, respectively, plus higher precocity of production compared to Swingle citrumelo”
t0“sweet orange”
Claim · model-written summary
Natal IAC, Valencia IAC and Rhode Red Valencia had higher accumulated production averaging 218.6 kg per plant.
- Material
- Natal IAC, Valencia IAC and Rhode Red Valenciae0
- Outcome
- accumulated productione0
- Direction
- highere0
- Value
- 218.6 kg∙plant−1e0
- Qualifier
- 2004 – 2008e0
Not reportedTaxon
Verbatim
e0“Natal IAC, Valencia IAC and Rhode Red Valencia selections presented a higher accumulated production, on average, 218.6 kg∙plant−1 (2004 – 2008)”
Claim · model-written summary
Those three selections had higher productive efficiency owing to smaller tree size.
- Taxon
- sweet orangeCitrus sinensist0
- Material
- Natal IAC, Valencia IAC and Rhode Red Valenciae0
- Outcome
- productive efficiencye0
- Direction
- highere0
- Qualifier
- smaller tree sizee0
Organisms pictured · Representative pictures of the matched species, not figures from the paper.
Verbatim
e0“Natal IAC, Valencia IAC and Rhode Red Valencia selections presented a higher accumulated production, on average, 218.6 kg∙plant−1 (2004 – 2008), and a higher productive efficiency (kg fruit∙m−3 of canopy) due to their smaller tree size”
t0“sweet orange”
Claim · model-written summary
All assessed selections produced fruit with high soluble solids suitable for juice processing.
- Taxon
- sweet orangeCitrus sinensist0
- Outcome
- soluble solids contente0
- Direction
- highe0
- Qualifier
- suitable for juice processinge0
Organisms pictured · Representative pictures of the matched species, not figures from the paper.
Verbatim
e0“All assessed selections produced fruits with high soluble solids content that were suitable for juice processing”
t0“sweet orange”
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