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| Content Provider | Springer Nature Link |
|---|---|
| Author | Silva, A G Boica Júnior, A L Janini, J C Souza, B H S |
| Copyright Year | 2014 |
| Abstract | The southern armyworm (SAW) Spodoptera eridania (Cramer) is one of the most common armyworm species defoliating soybeans. Preliminary screening trials have indicated that some soybean genotypes exhibit resistance to SAW. Therefore, in this study, we evaluated the development of SAW larvae fed on ten soybean genotypes in order to identify genotypes with antibiosis-type resistance. Neonate SAW larvae were daily fed with young leaves collected from plants at the vegetative growth stages V4–V5. Larval development and survival were recorded. Genotypes PI 227687 and PI 227682 delayed larval, pupal, and larva-adult development and yielded larvae with the lowest weight and survival and pupae with the lowest weight. Genotypes IAC 100 and DM 339 also negatively affected larval and pupal development and larval survival but at a lower level. Based on our results, the soybean lines PI 227687 and PI 227682 could be used as sources of genes for soybean breeding programs aiming to develop high yield, SAW-resistant cultivars. Moreover, further trials must be carried out under field conditions to validate if the commercial cultivars IAC 100 and DM 339, which expressed moderate levels of antibiosis-type resistance in the laboratory, are effective in suppressing SAW larvae populations. |
| Starting Page | 582 |
| Ending Page | 587 |
| Page Count | 6 |
| File Format | |
| ISSN | 1519566X |
| Journal | Neotropical Entomology |
| Volume Number | 43 |
| Issue Number | 6 |
| e-ISSN | 16788052 |
| Language | English |
| Publisher | Springer US |
| Publisher Date | 2014-09-30 |
| Publisher Place | Boston |
| Access Restriction | One Nation One Subscription (ONOS) |
| Subject Keyword | Life Sciences host plant resistance Entomology IPM Agriculture Glycine max southern armyworm |
| Content Type | Text |
| Resource Type | Article |
| Subject | Insect Science |
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