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Field evaluation of entomopathogenic fungi against cabbage aphid, Brevicoryne brassicae (L.) and their effect on coccinellid predator , Coccinella septempunctata (Linnaeus)
| Content Provider | Semantic Scholar |
|---|---|
| Author | Ramanujam, Bhargavi Japur, Krishna Poornesha, B. |
| Copyright Year | 2018 |
| Abstract | The present study was carried out to assess the field efficacy of three isolates of entomopathogenic fungi (EPF) for management of cabbage aphid, Brevicoryne brassicae . All the tested isolates showed suppressive effect on aphid. Two-year pooled data revealed lower incidence of 13.9–17.1 aphids/plant in the EPF treated plots compared to higher incidence of 107.5 aphids/plant in untreated control. Significantly higher yields were recorded in the plots treated with Bb-5a, Ma-4 and Vl-8 isolates (28.0, 27.4 and 27.4 t/ha, respectively) compared to untreated control (22.3 t/ha). The populations of predatory coccinellid and spiders in EPF treated and untreated control plots were found statistically non-significant indicating the safety of entomopathogenic fungi to these predators. |
| Starting Page | 168 |
| Ending Page | 171 |
| Page Count | 4 |
| File Format | PDF HTM / HTML |
| DOI | 10.18311/jbc/2017/16350 |
| Volume Number | 31 |
| Alternate Webpage(s) | http://www.i-scholar.in/index.php/jbc/article/download/165421/153095 |
| Alternate Webpage(s) | https://doi.org/10.18311/jbc%2F2017%2F16350 |
| Language | English |
| Access Restriction | Open |
| Content Type | Text |
| Resource Type | Article |