Reference Report for IND88040805
| Title: | Evaluation of 10 soybean cultivars for relative levels of damage by two insect species. |
| Authors: | Lambert, L., Hamer, J.L. |
| Source: | Res. Rep. Miss. Agric. Forestr. Exp. Stn. 1988, 13(5):1-3 |
| Abstract: | The resistance of 10 soyabean cultivars and one insect-resistant breeding line to the noctuids Pseudoplusia includens [Chrysodeixis includens] and Anticarsia gemmatalis were compared. There were significant differences among cultivars with respect to levels of defoliation: Centennial, Davis and Lee 74 had the greatest and Tracy-M, Braxton, Bragg and Forrest the least defoliation. The insect-resistant breeding line, D75-10169, was significantly less defoliated by either insect species than any test cultivar. Larval weights of both insects reared on Forrest leaves did not differ from those reared on Centennial leaves, but larvae reared on Tracy-M leaves were significantly smaller than those reared on Centennial or Forrest leaves and significantly larger than those reared on D75-10169 leaves. The time taken to reach pupation was significantly longer for larvae reared on Tracy-M than those reared on Centennial or Forrest, for both species. Larvae of C. includens reared on D75-10169 took longer to reach pupation than those reared on Tracy-M. |
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