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Sweetpotato Whitefly on Cotton in the Southwest U.S.
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ABSTRACT Studies in Arizona cotton have shown that sweetpotato whitefly (SPW), Bemisia tabaci (Gennadius) infestations, if uncontrolled, reduce yield, cause cotton lint stickiness and transmit the virus that causes cotton leaf crumple. B. tabaci Biotype B was first recognized in the mid-1980s and has been shown to be more aggressive, have an expanded host range and higher reproductive potential compared with the previously encountered SPW type A in the U.S. |
©National Cotton Council, Memphis TN |
Document last modified May 20, 2002
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