Cause for alarm
Submitted by ipsita on Mon, 1997-12-15 00:00
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
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dte
Publication Date:
14/12/1997