Effect of homeopathic medicines on growth and sporulation of Fusarium oxysporum, isolated from Nicotiana tabacum, L. (Original)
Keywords:
Fusarium oxysporum; inhibition; homeopathic products; in vitro evaluationAbstract
The research was carried out at the Plant Biotechnology Laboratory, belonging to the University of Granma, between January and February 2023 with the objective of evaluating in vitro homeopathic medicines in the growth and sporulation of the phytopathogenic fungus Fusarium oxysporum, isolated from Nicotina tabacum, L. Using a completely randomized design, it consists of eight treatments, (T1) Sulfur 30 CH, (T2) Sulfur 6 CH, (T3) Control, (T4) Arsenic album 6 CH, (T5) Silícea terra 6 CH, (T6) Silícea terra 30 CH, (T7) Natrum muriaticum 200 CH and (T8) Natrum muriaticum 30 CH, including the control to which distilled water was supplied. The variables evaluated were: radial growth, mycelial growth inhibition and spore inhibition. Data processing was performed using InfoStat, following the Shapiro-Wilk parametric test. The homeopathic medicines used showed excellent control against Fusarium oxysporum, Sulfur 6 CH achieved the best results in the inhibition of radial growth; in the case of mycelial growth inhibition (%), the Silícea terra 30 CH treatment surpassed the rest of the other treatments; the drug Natrum muriaticum 30 CH inhibited the spores by 89%. The research is an important contribution to the control of fungal diseases, specifically to the control of Fusarium oxysporum isolated from N. tabacum using environmentally friendly tools since they maintain soil-plant-animal relationships.
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