Bt Cry toxin expression profile in selected Pakistani cotton genotypes

Pakistan is ranked fourth among the top five cotton-producing countries in the world. About 70-80% of the cultivated area is under Bt cotton in Pakistan super(1). Bollworm (Helicoverpa armigerd) is the major pest of cotton super(2). It causes 31.73-36.45% yield losses super(3,4) and these are reduce...

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Published inCurrent science (Bangalore) Vol. 102; no. 12; pp. 1632 - 1636
Main Authors Ali, Shaukat, Shah, Sabir Hussain, Ali, Ghulam Muhammad, Iqbal, Arshad, Asad, Muhammad Asad Ullah, Zafar, Yusuf
Format Journal Article
LanguageEnglish
Published Current Science Association 25.06.2012
Subjects
Agriculture
Biotechnology
Chemicals
Cotton
Genotypes
Helicoverpa
Leaves
Pesticides
Pests
Plants
Quantification
SCIENTIFIC CORRESPONDENCE
Toxins
Pakistan
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Summary:Pakistan is ranked fourth among the top five cotton-producing countries in the world. About 70-80% of the cultivated area is under Bt cotton in Pakistan super(1). Bollworm (Helicoverpa armigerd) is the major pest of cotton super(2). It causes 31.73-36.45% yield losses super(3,4) and these are reduced by heavy pesticide application. There has been a tremendous increase in the import and use of pesticides. Consequently, about 7.7 billion rupees is spent on pesticides every year super(5). Considering the total pesticide usage (94,265 metric tonnes in 2007-08), 70% is being used exclusively on cotton. In addition to being a pollutant, pesticides are also hazardous to the farmers and livestock super(1). The large amount of money being spent on these chemicals can be avoided by planting Bt cotton.
Bibliography:ObjectType-Article-2
SourceType-Scholarly Journals-1
ObjectType-Feature-1
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ISSN:0011-3891