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Neste trabalho, objetivou-se avaliar o efeito do condicionamento osmótico no desempenho de sementes de pimenta submetidas à deterioração controlada. Para tanto, sementes de pimenta 'Amarela Comprida' (Capsicum annuum L.), com teor de água ajustado para 24%, foram submetidas à deterioração controlada em banho-maria a 45ºC por 0, 24, 48 e 72 horas. Em seguida, foram osmocondicionadas em solução de PEG 6000 a -1,1 MPa, por 0, 6 e 8 dias. Avaliaram-se a germinação, primeira contagem de germinação, germinação a baixa temperatura, velocidade de germinação a 15ºC e a 25°C, massa seca de plântulas e comprimento de raiz primária. Verificou-se que o condicionamento osmótico foi benéfico à germinação das sementes de pimenta deterioradas por 48 e 72 horas, não prejudicando a germinação das sementes de alta qualidade fisiológica e ainda contribuiu para melhorar o vigor tanto das sementes não deterioradas quanto das deterioradas por 48 e 72 horas, constituindo-se em procedimento promissor para elevar a qualidade fisiológica das mesmas. The osmotic conditioning technique has been considered promising for improving the physiological potential of seeds of various species. In this context, the study aimed to evaluate the effect of osmotic conditioning on the performance of pepper seeds subjected to controlled deterioration. Thus, seeds of 'Long Yellow pepper' (Capsicum annuum L.), with water content adjusted to 24%, were subjected to controlled deterioration in water bath at 45 °C for 0, 24, 48 and 72 hours. After that, they were osmotic conditioning in PEG 6000 to -1.1 MPa during 0, 6 and 8 days. The germination, first count of germination, germination at low temperature, speed of germination at 15 º C and 25 °C, dry weight of seedlings and length of primary root were evaluated. It was found that the osmotic conditioning was beneficial to the germination of pepper seeds deteriorated by 48 and 72 hours, not affecting the germination of seeds of high physiological quality. It also helped to improve the strength of both the seeds that had not been damaged and those deteriorated by 48 and 72 hours, being a promising technique to increase their physiological quality

Osmocondicionamento em sementes de pimenta 'amarela comprida' (Capsicum annuum L.) Submetidas à deterioração controlada