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Revista Brasileira de Fruticultura
On-line version ISSN 1806-9967
ARAUJO, José Ribamar Gusmão et al. Imbibition and position of seed on the germination of seedlings of dwarf-precocious cashew rootstocks. Rev. Bras. Frutic. [online]. 2009, vol.31, n.2, pp. 552-558. ISSN 1806-9967. http://dx.doi.org/10.1590/S0100-29452009000200033.
The present work aimed to evaluate the imbibition and the sowing position on the process of seed germination of dwarf cashew-precocious rootstocks. The experiment was carried out on São Luís Experimental Farm of the Maranhão State University, Brazil. The experimental model was a factorial design 2 x 3 x 2 in randomized blocks and four replications, with 15 seeds per plot, sowed in plastic bags. The treatments resulted from the combination of two cashew clones (CCP 06 and CCP 76), three treatments of imbibition (water, sucrose and natural) and seed position (hilo and dorsal) before sowing. According to the obtained results, it was verified that up to 22 days after sowing the clone CCP 76 with seeds soaked in water and sowed in the hilo position, presented satisfactory levels of germination (100%), resulting in larger efficiency of the seed germination process and precocity in terms of stabilization of the germination (about 16 days). The treatments of imbibition at hilo position did not present a significant effect on the seedlings emergence of two clones, but they influenced the emergence speed index, in which the treatments using water and hilo position promoted higer index, regardless of the tested clones.
Keywords : Anacardium occidentale L; propagation; seedlings emergence.