Abstract
The aim of this study was to evaluate the effect of high dilutions of Pulsatilla nigricans in dinamisations 6, 12, 18, 24 and 30 CH on the vigour of soybean seeds subjected to accelerated aging. The experiment was conducted according to a randomised design with 6 treatments and 10 replicates. The treatments consisted of dinamisations 6, 12, 18, 24 and 30 CH and a distilled-water control. After the treatments, the seeds were subjected to accelerated aging (48h at 42oC) in a growth chamber (25 ± 2oC). The study evaluated the germination, the length of primary roots and shoots, the fresh weight of roots and shoots and the enzymatic activity of peroxidase (POX-EC1.11.1.7). The variables were analysed by ANOVA, and the means were compared using the Scott-Knott test (p = 0.05). The germination and the fresh weight of roots and shoots of the seedlings treated with Pulsatilla nigricans were higher than the water control, except that CH 30 did not significantly increase the fresh weight of shoots. The dinamisations 6, 24 and 30 CH produced a lower primary root length compared with the control. The dinamisations 12, 18 and 30 CH yielded a greater length of shoots. The total length of seedlings was reduced by the high dilutions 6 and 24 CH.
Highlights
High-dilution preparations based on the science of homeopathy are being used successfully in modern agriculture to control pests and diseases, to increase the medicinal properties of herbs, to detoxify plants contaminated by metals, and to improve seed germination (ALMEIDA et al, 2003; BETTI et al, 2007; CASALI et al, 2006; CAVALCA et al, 2010; FONTES, 2005)
The potential germination of soybean seeds that were submitted to accelerated aging increased significantly in seeds treated with high-dilution preparations of Pulsatilla nigricans (Figure 1A)
0 CCH 66 CCHH 1122CCHH 1188 CCHH 24 CCH 3300 CCHH CCVV%(%: 6).663.63. These results suggest that plants treated with P. nigricans during early aging had a lower production of oxygen-reactive species
Summary
High-dilution preparations based on the science of homeopathy are being used successfully in modern agriculture to control pests and diseases, to increase the medicinal properties of herbs, to detoxify plants contaminated by metals, and to improve seed germination (ALMEIDA et al, 2003; BETTI et al, 2007; CASALI et al, 2006; CAVALCA et al, 2010; FONTES, 2005). Agronomy physiological disturbances as consequences of a loss of self-regulation by the organism. The loss of self-regulation may produce changes in the phyto-pathological plant state (BONATO, 2007). Homeopathy uses the organism’s reaction capacity to stimulate its defences against pathogenic agents and to help it recover its dynamic equilibrium.
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