Microbiology Procedure
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Pesticide Waste

Pesticide Waste - We have already referred to biodegradation of pesticides used in agriculture in preceding chapter. Besides physical and chemical methods, there are also biological methods for pollution control. Microorganisms have been found very effective in disposal of pesticide waste through biodegradation.

The excess pesticide wastes generated from pesticide industries effluents, and washings of pesticide containers are environmental problems. Microbes detoxify/degrade these wastes and thus present a safe method of their disposal. Instead of whole cells, cell extracts or enzymes of microbes have been recommended.

Parathion hydrolase obtained from Flavobacterium A TCC 27551 and Pseudomonas diminuta can hydrolyse a number of organophosphates, such as methyl parathion, diazinon, fenitrothion, cyanephos and coumaphos. The process is very fast and requires no cofactors. Pseudomonas cepacia is used to clean up soil containing 20,000 ppm of 2, 4, 5-T.

 

 

 

 

 

 

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