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http://krishi.icar.gov.in/jspui/handle/123456789/43014| Title: | Functional response of Geocoris ochropterus Fieber (Hemiptera: Geocoridae) to different egg densities of Helicoverpa armigera (Hübner) (Lepidoptera: Noctuidae). |
| Other Titles: | Not Available |
| Authors: | Richa Varshney Neeraj Budhlakoti Chandish R. Ballal |
| ICAR Data Use Licennce: | http://krishi.icar.gov.in/PDF/ICAR_Data_Use_Licence.pdf |
| Author's Affiliated institute: | ICAR::National Bureau of Agricultural Insect Resources ICAR::Indian Agricultural Statistics Research Institute |
| Published/ Complete Date: | 2018-08-15 |
| Project Code: | Not Available |
| Keywords: | Attack rate Functional response Geocoris ochropterus Handling time Helicoverpa armigera |
| Publisher: | Springer |
| Citation: | Varshney, R., Budhlakoti, N. & Ballal, C.R. (2018). Functional response of Geocoris ochropterus Fieber (Hemiptera: Geocoridae) to different egg densities of Helicoverpa armigera (Hübner) (Lepidoptera: Noctuidae). Phytoparasitica 46, 451–458 . |
| Series/Report no.: | Not Available; |
| Abstract/Description: | The biology and predatory efficiency of Geocoris ochropterus Fieber (Hemiptera: Geocoridae) has been studied extensively against many insect pests, but information on functional response of different stages of G. ochropterus to Helicoverpa armigera (Hübner) (Lepidoptera:Noctuidae) is lacking so far. The functional response of different stages of G. ochropterus to varying densities of eggs of H. armigera was investigated in the laboratory at 26 ± 2°C, 65 ± 2% RH and 12 L: 12D. Immature stages i.e. 3rd, 4th, 5th instar and adult predator exhibited type II functional response. Handling time decreased with increasing predator’s developmental stage. Adult G. ochropterus followed by fifth instar exhibited highest egg consumption and attack rate compared to other stages. Functional response parameters indicate that the adult and fifth instar of G. ochropterus were more voracious and efficient than other juveniles and might be useful as promising biocontrol agent against H. armigera. |
| Description: | Not Available |
| ISSN: | Not Available |
| Type(s) of content: | Research Paper |
| Sponsors: | Not Available |
| Language: | English |
| Name of Journal: | Phytoparasitica |
| NAAS Rating: | 7.14 |
| Volume No.: | Not Available |
| Page Number: | Not Available |
| Name of the Division/Regional Station: | Not Available |
| Source, DOI or any other URL: | https://doi.org/10.1007/s12600-018-0687-1 |
| URI: | http://krishi.icar.gov.in/jspui/handle/123456789/43014 |
| Appears in Collections: | AEdu-IASRI-Publication |
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