Researchers in the 1930s observed that resistance of soybeans to insects was due to pubescence characteristics of the leaves. Soybeans with erect pubescent hairs were more resistant to leafhoppers than plants with short, apprised hairs irrespective of the density on the leaves. In 2001, a student at the University of Georgia reported that soybean near isogenic lines of Clark with sharp tipped pubescent hairs had resistance to the corn earworm and soybean lopper as compared to lines with blunt tips. Subsequent research has shown that soybean breeding lines with sharp tipped hairs were also resistant to lesser cornstalk borer attack. Molecular marker research found an insect QTL on linkage...
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#insects and pests