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Pastos y Forrajes
versão On-line ISSN 2078-8452
Resumo
MONTILLA-MOTA, Joan José et al. Pre-germination treatments in Moringa oleifera seeds and their effect on agronomic variables. Pastos y Forrajes [online]. 2017, vol.40, n.3, pp. 188-194. ISSN 2078-8452.
The trial was conducted in the seed quality laboratory of SENASEM, in order to evaluate in seeds from Moringa oleifera Lamarck provenance Supergenius the effect of different hydration times (HT): 3 hours (T1), 6 hours (T2), 12 hours (T3) and 24 hours (T4), on germination (G), plant height (H) and growth rate (GR) 5, 7, 9, 12 and 14 days after sowing (DAS); as well as their effect on foliage weight (FW), root weight (RW), average of daily foliage weight (AFW) and total plant weight (TPW) 14 DAS. Trays that contained inert sand as substrate, which were placed in germination chambers, were used. The design was completely randomized blocks, with four repetitions. The variance analysis was done per variable for each evaluation date, and for the comparison of means Tukey's test was used for 5 % of significance. The results only allowed to detect significant differences for germination (5 DAS) and for H and GR (6 and 12 DAS). The hydration of M. oleifera seeds during 12 or 24 hours can contribute to improve the performance of the growth variables of this species. On the other hand, the RW and FW contributed in 14 and 86 %, respectively, in the total weight of the seedlings 14 DAS, which indicates that this plant can be very efficient for forage production during its initial growth stage.
Palavras-chave : growth; germination; physiological variables.