Effect of the soaking time of moringa (Moringa ole?fera) seeds on the germination and growth indicators of the plant
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Abstract
during 0, 24 and 48 h on the percentage of germinated seeds and on growth indicators of the plant (percentage of leaves/plant, length and
thickness of the stems, root length, length of leaves and stems and volume of the air biomass) was studied in periods of 11-15, 16-21 and
22-26 d after sowing. During the first stage, the highest germination percentage (P < 0.001) was between the 11-15 d for the seeds soaked
for 24 h (86 %), without differing from those soaked for 48 h. The percentage of the germinated plants was higher (P < 0.05) between 16-
21 d, and happened in the control without soaking and did not differ from the treatment with 48 h of soaking. From 20 d after sowing on, the treatments with soaked seeds did not affect significantly the number of leaves/plant (5.0-6.0), the stem length (10.7-11.2 cm.), the root
length (3.4-3.9 cm.), the stem thickness (0.20-0.22 cm.), the stem weight (0.40-0.46 g), that of the leaves (0.60-0.76 g) and the air biomass volume (5.12-5.36 cm3). It is concluded that the moringa seeds should be soaked in running water for 24 h before sowing to fasten their germination on the field. Validating these results under the field conditions is recommended.
Key words: moringa, seeds, soaking, germination, growth.
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