I asked this question on behalf of another student. Usually she dissolved 4 g Bavistin in 10-15 ml Ethanol and then added water until 2 L. But after dissolving it precipitate again within few minutes. What is the troubleshooting? She is also not interested to use ethanol because ethanol also has the toxicity effect on the plant. Please anyone does help her! Thanks in advance.
Bavisitin is the BASF trade name of Carbendizim fungicide in the Benzimidazole group. It should be used with caution. At the levels applied to plants, it should dissolve in water. Maybe you can use warm water to start and add water at 30°C with stirring. Use an effective mask. I have attached the MSDS from BASF, the manufacturer and it also says it is water soluble. It is meant for farmers to use, so I don't think it requires ethanol to solubilise.
Good luck, take care.
Dear Hossain
Bavistin is a broad spectrum fungicide and is soluble in water to make colloidal solution. You will not get a true solution with it. Generally, we prepare 0.5% solution of it in water but in case of sever fungal contamination it can be increased to 1.5% or even 2% without much deletarious effects.
Bavistin is water soluble...but as Sumit wrote it will not dissolve completely...but a colloidal solution..you can use it as it is.... i use it at 0.2%...for pre-treatment (prior to final surface sterilization).......in severe fungal contamination one can even add into the medium.
Sanjeev Sir,
I want to know from you , can Bavistin solution stored ? How many days can it stored? In semi solid medium, which time it can be put?
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