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- Title
SENSIBILIDADE À SALINIDADE DE HÍBRIDOS TRIFOLIADOS E OUTROS PORTA-ENXERTOS DE CITROS.
- Authors
BRITO, MARCOS ERIC BARBOSA; FERNANDES, PEDRO DANTAS; GHEYI, HANS RAJ; DE MELO, ALBERTO SOARES; DOS SANTOS SOARES FILHO, WALTER; DOS SANTOS, ROBI TABOLKA
- Abstract
In order to evaluate the sensitivity of citrus genotypes: 'Santa Cruz Rangpur' lime, 'Sunki Tropical' mandarin, 'Troyer' citrange, 'Volkamer' lemon, and HTR-051 and HTR-069 trifoliate hybrids to salinity during the rootstock formation period in greenhouse. The genotypes were subjected to five levels of irrigation water salinity: control, tap water with electrical conductivity (ECw) of 0.41 dS m-1 and water with ECw of 1.0, 2.0, 3.0 and 4.0 dS m-1, made from salts NaCl, CaCl2.2H2O e MgCl2.6H2O, using the 7:2:1 proportion, respectively. The 'genotypes' and 'salinity' factors were arranged in factorial design (6x5), using a randomized block, with five blocks and four plants per parcel. The growth and physiological variables were evaluated registering the most significant effects to salinity on total dry matter at all genotypes, highlighting total dry matter accumulation in 'Volkamer' lemon and the highest decrease from increasing salinity it is observed in 'Troyer' citrange. The 'Volkamer' lemon and HTR - 069 can be recommended to formation of seedlings of citrus rootstocks under salinity due to its less sensitivity in the formation of biomass.
- Subjects
SALINITY; ROOTSTOCKS; MANDARIN orange; BIOMASS; ELECTRIC conductivity; IRRIGATION; WATER in agriculture
- Publication
Revista Caatinga, 2014, Vol 27, Issue 1, p17
- ISSN
0100-316X
- Publication type
Article