Fruit production and quality of Paluma guava with nematode-tolerant rootstock irrigated in the semi-arid region.

Using nematode-resistant and/or -tolerant rootstock is a strategy that has maintained guava cultivation feasible in the irrigated perimeters of the Brazilian semi-arid region. The objective was to evaluate the production, gas exchange, and fruit quality of ?Paluma? guava with and without nematode-tolerant rootstock under different irrigation depths and production periods. The experimental design was randomized blocks, in the mixed 2 × 4 × 2 factorial scheme, corresponding to two forms of cultivation of ?Paluma? guava (without and with nematode-tolerant rootstock), four irrigation depths (60, 80, 100, and 120% of crop evapotranspiration - ETc), and two production periods, with four replicates. Guava plants were evaluated for physiological, production and post-harvest quality parameters. Gas exchange in ?Paluma? guava leaves was higher in the second production cycle, under irrigation depths above 100% ETc, not differing with the use of the rootstock. The use of the rootstock ?BRS Guaraçá? promotes a greater number of fruits and production with the increase of the irrigation depth, mainly in the second half of the year, with the increase of soluble solids and titratable acidity in the fruits.

Bibliographic Details

Main Authors:	SIMOES, W. L., ANDRADE, V. P. M. de, SILVA, J. S. da, SANTOS, C. A. F., SOUZA, J. S. C. de, CALGARO, M., BARBOSA, K. V. F., NASCIMENTO, B. R. do
Other Authors:	WELSON LIMA SIMOES, CPATSA; VICTOR P. M. DE ANDRADE, Instituto Federal de Educação, Ciência e Tecnologia do Sertão Pernambucano/Campus Santa Maria da Boa Vista, PE; JUCICLÉIA S. DA SILVA; CARLOS ANTONIO FERNANDES SANTOS, CPATSA; JOSÉ S. C. DE SOUSA, Instituto Federal de Educação, Ciência e Tecnologia do Sertão Pernambucano/Campus Petrolina Zona Rural, Petrolina, PE; MARCELO CALGARO, CPATSA; KAIO V. F. BARBOSA, UPE; BRUNO R. DO NASCIMENTO, UPE.
Format:	Artigo de periódico biblioteca
Language:	Ingles English
Published:	Revista Brasileira de Engenharia Agrícola e Ambiental, v. 27, n. 5, p. 400-406, 2023. 2023-01-24
Subjects:	Trocas gasosas, Variedade Paluma, Goiaba, Psidium Guajava, Evapotranspiração, Pós-Colheita, Porta Enxerto, Nematóide, Evapotranspiration, Postharvest systems, Postharvest treatment, Postharvest technology, Gas exchange, Guavas,
Online Access:	http://www.alice.cnptia.embrapa.br/alice/handle/doc/1151187 http://dx.doi.org/10.1590/1807-1929/agriambi.v27n5p400-406
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