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Biofilms and vacuum package in the storage of Eugenia involucrata DC. seeds

Fruit trees such as Eugenia involucrata are still unexploited, therefore technical information that encourages farmers to use them is needed. The seed propagation method is usualy used since there is the risk of losing its viability with storage. The objective of this work was to evaluate the hydropriming and storage techniques (vacuum and biofilm), during storage at five and 30 days of E. involucrata seeds. The study was carried out at Universidade Tecnológica Federal do Paraná - Dois Vizinhos campus, Paraná State, Brazil. The experimental design was a randomized block, in the 2 × 4 × 2 factorial design (hydropriming x storage technique x storage time), with 4 replications of 50 seeds per plot. The extracted seeds were separated into two groups: one was submitted to pre- hydropriming in distilled water for 24 hours and the other not. Hydroprimed or not-hydroprimed seeds were submitted to four storage techniques: vacuum plastic packaging, cassava starch biofilm seed coated (3% w/v), vacuum plastic packaging + cassava starch biofilm and no treatment (control). Afterwards, the seeds were kept in a cold chamber at 5ºC and 85% relative humidity for five and 30 days. One hundred and ten days after sowing, the germination percentage, emergence speed index and total dry matter mass of the plantlets were evaluated. For storage of E. involucrata seeds, the vacuum technique with or without biofilm coating should be used.

Eugenia sp.; Myrtaceae; storage


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