QTL mapping of antibiosis resistance to common cutworm (Spodoptera litura Fabricius) in soybean.

From: Crop Science | Date: September 1, 2005| Author: | Copyright information

The common cutworm (CCW; Spodoptera litura Fabricius; Lepidoptera: Noctuidae) is a major pest of soybean [Glycine max (L.) Merr.] in Japan. Previously, we analyzed a soybean cultivar named Himeshirazu and found that it exhibits a heritable antibiosis resistance to CCW. In this study, we performed quantitative trait locus (QTL) analysis using composite interval mapping (CIM) method to locate the source of the antibiosis resistance of Himeshirazu. We used a previously reported [F.sub.2] segregating population of susceptible 'Fukuyutaka' x resistant Himeshirazu. We constructed a linkage map ...

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