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Title: SELECTION AND REPRODUCTION OF HETERODERA GLYCINES ON RESISTANT SOYBEAN GERMPLASM
Author
Noel, Gregory
BAUER, STEVEN - U OF ILL, URBANA
ATIBALENTJA, NDEME - U OF ILL, URBANA
ASSUNCAO, MAURICIO - EMBRAPA, BRAZIL
Submitted to: Journal of Nematology
Publication Type: Abstract Only
Publication Acceptance Date: 8/24/2001
Publication Date: N/A
Citation: N/A
Interpretive Summary:
Technical Abstract: Populations of races 1-6, 9, and 14 were selected for 2 years on soybean lines Cloud, Peking, PI88.788, PI89.772, PI907.63, and PI209.332. Each soybean line was inoculated with each of the selected populations to determine which resistant germplasm might be used in gene deployment to manage . Of particular interest were selections on PI88.788, since it is the source of resistance for ca. 95% of resistant cultivars grown in the Midwest. Populations of each race selected on PI88.788 and then challenged with PI89.722 resulted in a female index (FI) = 0 or 1 except for race 4 for which FI = 19. Similar results were obtained with PI90.763 and Peking, except that FI for race 4 was greater on PI90.763 and less on Peking, than on PI89.772. Cloud and PI209.332 were similar for all populations selected on PI88.788 with FIs ranging from 12 to 68. When inoculated onto the source on which selected, a general resistance was observed except for Cloud. It was the only source of resistance for which selection resulted in an FI equal to susceptible 'Lee 74'.
