Sementes podem se tornar inviáveis ao longo do armazenamento, impossibilitando a comercialização de lotes em razão da baixa capacidade germinativa. Reguladores vegetais em sementes de Passiflora spp. têm sido empregado para potencializar a germinação. Neste trabalho, objetivou-se avaliar o uso de reguladores vegetais na germinação de sementes de lotes comerciais de maracujazeiro-azedo. O delineamento experimental foi inteiramente casualizado em fatorial 8 x 2, com quatro repetições de 50 sementes. Sendo oito lotes de sementes de cultivares com diferentes períodos de armazenamento (BRS RC/18, BRS RC 024/15, BRS RC 028/14, BRS SC/17, BRS SC/16, BRS GA/17, BRS GA/16 e BRS GA/15) e dois tratamentos {[T1- água destilada e T2- uso de GA4+7 + N-(fenilmetil)- aminopurina (300 ppm)]}. A germinação foi avaliada aos 7 e aos 28 dias após a incubação. Os dados foram submetidos à análise de variância e as médias dos tratamentos comparadas pelo teste Tukey. Houve efeito significativo dos lotes, dos tratamentos das sementes e também da interação. O tratamento com GA4+7 + N-(fenilmetil) - aminopurina (300 ppm) recuperou a germinação das sementes dos lotes BRS RC 024/15 e BRS RC 028/14, que não seriam mais comercializados por não atender as porcentagens mínimas de germinação exigidas.
Phytoregulators in the germination recovery of commercial passion fruit seed lots.
Seeds may become impracticable during storage, making it impossible to sell lots due to the low germination capacity. Vegetable regulators in seeds of Passiflora spp. has been used to enhance germination. In this work, the objective was to evaluate the use of plant regulators in the germination of seeds from commercial batches of passion fruit. The experimental design was completely randomized in a factorial 8 x 2, with four replications of 50 seeds. Eight batches of seeds of cultivars with different storage periods (BRS RC / 18, BRS RC 024/15, BRS RC 028/ 14, BRS SC / 17, BRS SC / 16, BRS GA / 17, BRS GA / 16 and BRS GA / 15) and two treatments {[T1- distilled water and T2- use of GA4 + 7 + N- (phenylmethyl) - aminopurine (300 ppm)]}. Germination was evaluated at 7 and 28 days after incubation. The data were submitted to analysis of variance and the treatment means compared by the Tukey test. There was a significant effect of batches, seed treatments and interaction. The treatment with GA4 + 7 + N- (phenylmethyl) - aminopurine (300 ppm) recovered the germination of the seeds of the batches BRS RC 024/15 and BRS RC 028/14, which would no longer be commercialized for not meeting the minimum germination percentages required.