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2021
Marques, Léo Omar Duarte; Mello-Farias, Paulo; Oliveira, Roberto Pedroso De; Dini, Maximiliano; Fernandes, Rodrigo; Santos, Dos; Malgarim, Marcelo Barbosa; Santos, Walter Dos; Filho, Soares; Silva, Leandro Souza Da; Moura, Mara
Nursery performance of potentially promising rootstocks for citriculture in the south of Brazil Journal Article
In: Ciência Rural, vol. 52, iss. 1, 2021, ISSN: 0103-8478.
Abstract | Links | BibTeX | Tags: adaptation, Citrus spp., Poncirus hybrids, propagation, vegetative vigor.
@article{nokey,
title = {Nursery performance of potentially promising rootstocks for citriculture in the south of Brazil},
author = {Léo Omar Duarte Marques and Paulo Mello-Farias and Roberto Pedroso De Oliveira and Maximiliano Dini and Rodrigo Fernandes and Dos Santos and Marcelo Barbosa Malgarim and Walter Dos Santos and Soares Filho and Leandro Souza Da Silva and Mara Moura},
url = {http://www.scielo.br/j/cr/a/PxdBgPhWNMML63vTKWH8LKK/?lang=en},
doi = {10.1590/0103-8478CR20200227},
issn = {0103-8478},
year = {2021},
date = {2021-01-01},
journal = {Ciência Rural},
volume = {52},
issue = {1},
publisher = {Universidade Federal de Santa Maria},
abstract = {ABSTRACT: Diversification of rootstock varieties, with consequent reduction in phytosanitary risks, has great importance to the sustainability of citrus cultivation in the south of Brazil. This study evaluated the performance of 42 rootstocks in the nursery phase to generate ‘Valencia Late’ sweet orange seedlings. Therefore, nucellar seedlings from the rootstocks under study were analyzed in relation to plant height, stem diameter, mortality rate and percentage of bud set after grafting. The experimental design was completely randomized with four replications of 20 sample units. Not adapted genotypes had high mortality rates, and the ones of both hybrids LCR x CTSW - 009 and LVK x LCR - 038 were 100% and 90%, respectively. Other 13 genotypes had mortality rates above 30%, and ‘Sunki’ mandarin was the female genitor of ten of them. ‘Swingle’ citrumelo was the rootstock with the highest development (plant height and stem diameter), associated with low mortality rate. In relation to the other rootstocks, the best results were the fast grafting diameter, associated with low mortality rate obtained by hybrids HTR - 053, LRF x (LCR x TR) - 005, CLEO x TRBN - 245, CLEO x TRSW - 287, and citrandarins ‘Indio’, ‘Riverside’ and ‘San Diego’, as well as Trifoliate orange and ‘Rangpur’ lime. In addition to Trifoliate orange, which is widely used in Rio Grande do Sul, these rootstocks have great potential in citriculture in the south of Brazil.},
keywords = {adaptation, Citrus spp., Poncirus hybrids, propagation, vegetative vigor.},
pubstate = {published},
tppubtype = {article}
}
ABSTRACT: Diversification of rootstock varieties, with consequent reduction in phytosanitary risks, has great importance to the sustainability of citrus cultivation in the south of Brazil. This study evaluated the performance of 42 rootstocks in the nursery phase to generate ‘Valencia Late’ sweet orange seedlings. Therefore, nucellar seedlings from the rootstocks under study were analyzed in relation to plant height, stem diameter, mortality rate and percentage of bud set after grafting. The experimental design was completely randomized with four replications of 20 sample units. Not adapted genotypes had high mortality rates, and the ones of both hybrids LCR x CTSW - 009 and LVK x LCR - 038 were 100% and 90%, respectively. Other 13 genotypes had mortality rates above 30%, and ‘Sunki’ mandarin was the female genitor of ten of them. ‘Swingle’ citrumelo was the rootstock with the highest development (plant height and stem diameter), associated with low mortality rate. In relation to the other rootstocks, the best results were the fast grafting diameter, associated with low mortality rate obtained by hybrids HTR - 053, LRF x (LCR x TR) - 005, CLEO x TRBN - 245, CLEO x TRSW - 287, and citrandarins ‘Indio’, ‘Riverside’ and ‘San Diego’, as well as Trifoliate orange and ‘Rangpur’ lime. In addition to Trifoliate orange, which is widely used in Rio Grande do Sul, these rootstocks have great potential in citriculture in the south of Brazil.
Marques, Léo Omar Duarte; Mello-Farias, Paulo; Oliveira, Roberto Pedroso De; Dini, Maximiliano; Fernandes, Rodrigo; Santos, Dos; Malgarim, Marcelo Barbosa; Santos, Walter Dos; Filho, Soares; Silva, Leandro Souza Da; Moura, Mara
Nursery performance of potentially promising rootstocks for citriculture in the south of Brazil Journal Article
In: Ciência Rural, vol. 52, iss. 1, 2021, ISSN: 0103-8478.
Abstract | Links | BibTeX | Tags: adaptation, Citrus spp., Poncirus hybrids, propagation, vegetative vigor.
@article{nokey,
title = {Nursery performance of potentially promising rootstocks for citriculture in the south of Brazil},
author = {Léo Omar Duarte Marques and Paulo Mello-Farias and Roberto Pedroso De Oliveira and Maximiliano Dini and Rodrigo Fernandes and Dos Santos and Marcelo Barbosa Malgarim and Walter Dos Santos and Soares Filho and Leandro Souza Da Silva and Mara Moura},
url = {http://www.scielo.br/j/cr/a/PxdBgPhWNMML63vTKWH8LKK/?lang=en},
doi = {10.1590/0103-8478CR20200227},
issn = {0103-8478},
year = {2021},
date = {2021-01-01},
journal = {Ciência Rural},
volume = {52},
issue = {1},
publisher = {Universidade Federal de Santa Maria},
abstract = {ABSTRACT: Diversification of rootstock varieties, with consequent reduction in phytosanitary risks, has great importance to the sustainability of citrus cultivation in the south of Brazil. This study evaluated the performance of 42 rootstocks in the nursery phase to generate ‘Valencia Late’ sweet orange seedlings. Therefore, nucellar seedlings from the rootstocks under study were analyzed in relation to plant height, stem diameter, mortality rate and percentage of bud set after grafting. The experimental design was completely randomized with four replications of 20 sample units. Not adapted genotypes had high mortality rates, and the ones of both hybrids LCR x CTSW - 009 and LVK x LCR - 038 were 100% and 90%, respectively. Other 13 genotypes had mortality rates above 30%, and ‘Sunki’ mandarin was the female genitor of ten of them. ‘Swingle’ citrumelo was the rootstock with the highest development (plant height and stem diameter), associated with low mortality rate. In relation to the other rootstocks, the best results were the fast grafting diameter, associated with low mortality rate obtained by hybrids HTR - 053, LRF x (LCR x TR) - 005, CLEO x TRBN - 245, CLEO x TRSW - 287, and citrandarins ‘Indio’, ‘Riverside’ and ‘San Diego’, as well as Trifoliate orange and ‘Rangpur’ lime. In addition to Trifoliate orange, which is widely used in Rio Grande do Sul, these rootstocks have great potential in citriculture in the south of Brazil.},
keywords = {adaptation, Citrus spp., Poncirus hybrids, propagation, vegetative vigor.},
pubstate = {published},
tppubtype = {article}
}
ABSTRACT: Diversification of rootstock varieties, with consequent reduction in phytosanitary risks, has great importance to the sustainability of citrus cultivation in the south of Brazil. This study evaluated the performance of 42 rootstocks in the nursery phase to generate ‘Valencia Late’ sweet orange seedlings. Therefore, nucellar seedlings from the rootstocks under study were analyzed in relation to plant height, stem diameter, mortality rate and percentage of bud set after grafting. The experimental design was completely randomized with four replications of 20 sample units. Not adapted genotypes had high mortality rates, and the ones of both hybrids LCR x CTSW - 009 and LVK x LCR - 038 were 100% and 90%, respectively. Other 13 genotypes had mortality rates above 30%, and ‘Sunki’ mandarin was the female genitor of ten of them. ‘Swingle’ citrumelo was the rootstock with the highest development (plant height and stem diameter), associated with low mortality rate. In relation to the other rootstocks, the best results were the fast grafting diameter, associated with low mortality rate obtained by hybrids HTR - 053, LRF x (LCR x TR) - 005, CLEO x TRBN - 245, CLEO x TRSW - 287, and citrandarins ‘Indio’, ‘Riverside’ and ‘San Diego’, as well as Trifoliate orange and ‘Rangpur’ lime. In addition to Trifoliate orange, which is widely used in Rio Grande do Sul, these rootstocks have great potential in citriculture in the south of Brazil.
Morelli, Marilia; Azevedo, Fernando Alves; Souza, Ana Julia Borim; Martinelli, Rodrigo; Conceição, Patrícia Marluci
Physiological Quality of Swingle Citrumelo Seed after Refrigerated Storage of Fruits and Seeds Journal Article
In: Agriculture 2021, Vol. 11, Page 1243, vol. 11, iss. 12, pp. 1243, 2021, ISSN: 2077-0472.
Abstract | Links | BibTeX | Tags: Citrus, propagation, rootstock
@article{Morelli2021,
title = {Physiological Quality of Swingle Citrumelo Seed after Refrigerated Storage of Fruits and Seeds},
author = {Marilia Morelli and Fernando Alves Azevedo and Ana Julia Borim Souza and Rodrigo Martinelli and Patrícia Marluci Conceição},
url = {https://www.mdpi.com/2077-0472/11/12/1243/htm https://www.mdpi.com/2077-0472/11/12/1243},
doi = {10.3390/AGRICULTURE11121243},
issn = {2077-0472},
year = {2021},
date = {2021-01-01},
journal = {Agriculture 2021, Vol. 11, Page 1243},
volume = {11},
issue = {12},
pages = {1243},
publisher = {Multidisciplinary Digital Publishing Institute},
abstract = {For citrus, there is no definition of the ideal fruit harvesting point for seed extraction. Some studies have shown the positive effect of postharvest refrigerated storage of fruits to obtain quality seeds. This study aimed to evaluate the influence of the fruit maturation stage on the germination of Swingle citrumelo (CS) seeds after the refrigerated storage of fruits and seeds. CS fruits were harvested at 180 days after anthesis (DAA); 210 DAA and 240 DAA. Fruits and seeds were stored in cold chamber for 0, 15, 30, and 45 days. Physicochemical analyses were performed on fruits (colour, soluble solids, acidity and ratio) and seeds (water content, germination, and emergence). Germination of seeds extracted from fruits harvested at 180, 210, and 240 DAA, without refrigerated storage, showed a positive correlation with colour index. The refrigerated storage of fruits and seeds extracted from fruits harvested at 210 DAA, increased the seed germination rate. Peel colour (IC) was correlated positively with the germination of Swingle citrumelo seeds. The results of this study revealed that the absence of refrigerated storage, harvesting Swingle citrumelo fruits, with ripe characteristics (end of harvest), results in a high seed germination rate. On the other hand, refrigerated storage of fruits and seeds extracted from fruits harvested at mid-harvest increases the seed germination rate.},
keywords = {Citrus, propagation, rootstock},
pubstate = {published},
tppubtype = {article}
}
For citrus, there is no definition of the ideal fruit harvesting point for seed extraction. Some studies have shown the positive effect of postharvest refrigerated storage of fruits to obtain quality seeds. This study aimed to evaluate the influence of the fruit maturation stage on the germination of Swingle citrumelo (CS) seeds after the refrigerated storage of fruits and seeds. CS fruits were harvested at 180 days after anthesis (DAA); 210 DAA and 240 DAA. Fruits and seeds were stored in cold chamber for 0, 15, 30, and 45 days. Physicochemical analyses were performed on fruits (colour, soluble solids, acidity and ratio) and seeds (water content, germination, and emergence). Germination of seeds extracted from fruits harvested at 180, 210, and 240 DAA, without refrigerated storage, showed a positive correlation with colour index. The refrigerated storage of fruits and seeds extracted from fruits harvested at 210 DAA, increased the seed germination rate. Peel colour (IC) was correlated positively with the germination of Swingle citrumelo seeds. The results of this study revealed that the absence of refrigerated storage, harvesting Swingle citrumelo fruits, with ripe characteristics (end of harvest), results in a high seed germination rate. On the other hand, refrigerated storage of fruits and seeds extracted from fruits harvested at mid-harvest increases the seed germination rate.
Pacheco, Camilla Andrade; Moreira, Alécio Souza; Girardi, Eduardo Augusto; Bassanezi, Renato Beozzo; Stuchi, Eduardo Sanches
Tree growth, production and huanglongbing incidence of sweet orange varieties using different nursery tree standards Journal Article
In: Scientia Horticulturae, vol. 284, pp. 110023, 2021, ISSN: 0304-4238.
Abstract | Links | BibTeX | Tags: Candidatus Liberibacter spp., CITRUS GREENING, Citrus spp., propagation, Resetting, Survival analysis
@article{Pacheco2021,
title = {Tree growth, production and huanglongbing incidence of sweet orange varieties using different nursery tree standards},
author = {Camilla Andrade Pacheco and Alécio Souza Moreira and Eduardo Augusto Girardi and Renato Beozzo Bassanezi and Eduardo Sanches Stuchi},
doi = {10.1016/J.SCIENTA.2021.110023},
issn = {0304-4238},
year = {2021},
date = {2021-01-01},
journal = {Scientia Horticulturae},
volume = {284},
pages = {110023},
publisher = {Elsevier},
abstract = {Insect-proof propagation of citrus is recommended to prevent vector-transmitted pathogens such as Candidatus Liberibacter spp. and Xylella fastidiosa. Although larger nursery trees were related to a superior post-planting performance in other perennial crops, there are few studies on citrus. This fact motivated us to evaluate the tree growth, the fruit production, and the huanglongbing (HLB) incidence of four commercial sweet orange varieties (‘Valencia Late’, ‘Hamlin’, ‘Pera’ and ‘Folha Murcha’) using two nursery tree standards (young whip and large headed trees). Eight years after planting, the tree size was similar between the evaluated treatments, especially for more vigorous varieties. However, large headed trees anticipated and increased the cumulative production by 30 % in average, which can improve the performance of reset trees in particular. Regardless the nursery tree standard and sweet orange variety, the cumulative incidence of HLB was relatively high over eight years. Therefore, a strict control of the vector should be reinforced in the field irrespectively of these factors.},
keywords = {Candidatus Liberibacter spp., CITRUS GREENING, Citrus spp., propagation, Resetting, Survival analysis},
pubstate = {published},
tppubtype = {article}
}
Insect-proof propagation of citrus is recommended to prevent vector-transmitted pathogens such as Candidatus Liberibacter spp. and Xylella fastidiosa. Although larger nursery trees were related to a superior post-planting performance in other perennial crops, there are few studies on citrus. This fact motivated us to evaluate the tree growth, the fruit production, and the huanglongbing (HLB) incidence of four commercial sweet orange varieties (‘Valencia Late’, ‘Hamlin’, ‘Pera’ and ‘Folha Murcha’) using two nursery tree standards (young whip and large headed trees). Eight years after planting, the tree size was similar between the evaluated treatments, especially for more vigorous varieties. However, large headed trees anticipated and increased the cumulative production by 30 % in average, which can improve the performance of reset trees in particular. Regardless the nursery tree standard and sweet orange variety, the cumulative incidence of HLB was relatively high over eight years. Therefore, a strict control of the vector should be reinforced in the field irrespectively of these factors.