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Friday, March 1, 2013

Sepia 200CH at 1:1000 dilution ameliorates salt stress in cowpea seedlings but its medium 90% ethanol proves ineffective at the same dilution

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-Schwabe
Sepia 200CH at 1:1000 dilution ameliorates salt stress in cowpea seedlings but its medium 90% ethanol proves ineffective at the same dilution

Soil salinity severely affects crop yield all over the world. In a recent study the authors have observed that Natrum muriaticum 200CH, a homoeopathic remedy, improved growth in germinating cowpea seeds. In the present study they have tested another remedy Sepia, which is complementary to Natrum mur, on cowpea seedlings under salt stress.
 
Methodology used may be of interest to research workers. Cowpea seedlings grown over moist filter paper in petridishes were divided into 4 groups: (1) control in sterile water, (2) in 50mM NaCl solution, (3) seeds pretreated with 90% ethanol diluted with water 1:100 and then transferred to 50mM NaCl solution, (4) seeds pretreated with Sepia 200CH diluted with water 1:100 and transferred to 50mM NaCl solution. In another experiment the groups were same, but the dilution of 90% ethanol and Sepia 200CH was 1:1000 instead of 1:100. The purpose was to further reduce the ethanol content in both the drug and its vehicle 90% ethanol, so that the alcohol effect is minimized or abolished. The data were analysed by ANOVA followed by t-test. Sepia 200CH at both 1:100 and 1:1000 dilutions significantly increased growth, sugar, chlorophyll, protein and water content in seedlings as compared to the untreated salt-stressed group. The effect with the1000th dilution of Sepia 200CH was more pronounced than with its 100th dilution. The vehicle 90% ethanol at 1:100 dilution produced some positive effect on the seedlings, but the 1000th dilution of the vehicle produced no such effect. It is, therefore, concluded that Sepia 200CH could ameliorate salt stress in cowpea seedlings and that the 1000th dilution is more effective than its 100th dilution. The alcohol effect is totally eliminated with the 1000th dilution of 90% ethanol. Thus the 1000th dilution could retain the drug effect and eliminate the vehicle effect.
 
Sepia is available from Schwabe India from 6CH to CM and also in LM potencies of 0/1 to 0/30.
 
Reference: Soma Sukul (nee Chunari), Sandhimita Mondal, Nirmal C Sukul, Sepia 200CH at 1:1000 dilution ameliorates salt stress in cowpea seedlings but its medium 90% ethanol proves ineffective at the same dilution, International Journal of High Dilution Research, Vol 11, No 41 (2012)
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