AHMEDABAD: After the state lost the first round of chemical warfare against mosquitoes, the state health department has been advised to update its armoury. Initially, 'white' powder - chalk mixed with 5% of a substance called malathion - was used to arrest mosquito growth. But it proved to be ineffective.
Links:
[1] http://admin.indiaenvironmentportal.org.in/news/malaria-menace-city-use-special-chemical-sting-kill-mosquitoes
[2] http://admin.indiaenvironmentportal.org.in/category/newspaper/times-india-ahmedabad
[3] http://admin.indiaenvironmentportal.org.in/category/thesaurus/ahmedabad-t
[4] http://admin.indiaenvironmentportal.org.in/category/thesaurus/vector-borne-diseases
[5] http://admin.indiaenvironmentportal.org.in/category/thesaurus/malaria
[6] http://admin.indiaenvironmentportal.org.in/category/thesaurus/municipal-corporation
[7] http://admin.indiaenvironmentportal.org.in/category/thesaurus/environment
[8] http://admin.indiaenvironmentportal.org.in/category/thesaurus/dengue
[9] http://admin.indiaenvironmentportal.org.in/category/thesaurus/chikungunya
[10] http://admin.indiaenvironmentportal.org.in/category/thesaurus/health