biological pesticides offer a more sound means of controlling insect pests than synthetic chemicals. A bacterium called Bacillus thuringiensis ( b t) produces a crystalline protein that is highly toxic to moth larvae. At a time, when nearly 500 species of arthropods have evolved insecticide resistance to other pesticides, there is only one crop pest
Links:
[1] http://admin.indiaenvironmentportal.org.in/news/cause-alarm
[2] http://admin.indiaenvironmentportal.org.in/category/newspaper/down-earth
[3] http://admin.indiaenvironmentportal.org.in/category/thesaurus/biological-pc
[4] http://admin.indiaenvironmentportal.org.in/category/thesaurus/insects
[5] http://admin.indiaenvironmentportal.org.in/category/thesaurus/life-science
[6] http://admin.indiaenvironmentportal.org.in/category/thesaurus/united-states-america-us