Navegando por Autor "Marcolini, Ciro Daniel Marques"

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    Avaliação dos porta-enxertos citrumelos e citrandarins sob copa valência na região citrícola do Paraná
    (Universidade Estadual do Norte do Paraná, 2016-07-17) Marcolini, Ciro Daniel Marques; Carvalho, Mayra Costa da Cruz Gallo de; https://orcid.org/0000-0002-1559-3828; http://lattes.cnpq.br/2844751503530944; Carlos, Eduardo Fermino; https://orcid.org/0000-0003-0852-7002; http://lattes.cnpq.br/8403163620849899; Osipi, Elisete Aparecida Fernandes; https://orcid.org/0000-0001-5318-8930; http://lattes.cnpq.br/8390213471391126; Sachs, Luís Guilherme; https://orcid.org/0000-0002-9026-483X; http://lattes.cnpq.br/8396109344405837
    The low diversification of rootstocks in the Paraná citrus industry makes it vulnerable to the possible occurrence of new pests or diseases. The main rootstock used in Paraná is Rangpur lime, which is susceptible to citrus decline, sudden death, and gummosis. The adoption of new genotypes such as citrumelo and citrandarin rootstocks, which show good disease resistance, makes the citrus industry less management-dependent and more sustainable in the medium and long term. The objective of this study was to evaluate tree height and canopy volume, yield, and juice quality of 'Valencia' orange grafted onto citrumelo, citrandarin, and other hybrid rootstocks in plots with and without irrigation over a 2‑year period. The results show that the rootstock producing the largest canopy volume was Rangpur × Sour Orange, while the smallest canopy was measured on Citrumelo F.80–18. No significant difference was found between irrigated and non‑irrigated plots. 'Sunki' mandarin produced the highest soluble solids yield per box (40.8 kg fruit), exceeding 2.6 kg. The lowest values were obtained with Rangpur lime. 'Sunki' mandarin also provided the best industrial yield; the poorest performance was recorded for the hybrid Rangpur × Sour Orange. The highest yield came from Rangpur lime rootstock, and the lowest from Siamese Pomelo × Gotha‑Road Trifoliate.