Selection for resistance to potato leafhopper in potatoes. II. Progress after two cycles of phenotypic recurrent selection |
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| Authors: | L L Sanford T L Ladd |
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| Institution: | 1. Plant Genetics and Germplasm Institute, Science and Education Administration, U.S. Department of Agriculture, 20705, Beltsville, Maryland
2. Japanese Beetle Laboratory, Science and Education Administration, U.S. Department of Agriculture, Ohio Agricultural Research and Development Center, 44691, Wooster, Ohio
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| Abstract: | ASolatium tuberosum L. gp.tuberosum population was subjected to 2 cycles of phenotypic recurrent selection for resistance to the potato leafhopper,Empoasca fabae (Harris), as expressed by low levels of nymph infestation. Samples of lines from the original population and from the cycle 2 population were tested for infestation levels at 2 locations for 2 years. Infestation in cycle 2 lines was 54% lower than that in lines from the original, unselected population. |
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