Temporal expression of Cry1Ab/c protein in Bt-cotton varieties, their efficacy against Helicoverpa armigera (Lepidoptera: Noctuidae) and population dynamics of sucking arthropods on them. | [International Journal of Agriculture and Biology • 2014]

Author(s):

1. Inaam-Ullah: National Institute for Biotechnology and Genetic Engineering (NIBGE), Faisalabad, Pakistan;Pakistan Institute of Engineering and Applied Sciences (PIEAS), Islamabad, Pakistan

2. Muhammad Asif: National Institute for Biotechnology & Genetic Engineering (NIBGE), Faisalabad, Pakistan

3. Muhammad Arslan: National Institute for Biotechnology and Genetic Engineering (NIBGE), Faisalabad, Pakistan;Pakistan Institute of Engineering and Applied Sciences (PIEAS), Islamabad, Pakistan

4. Muhammad Ashfaq: National Institute for Biotechnology & Genetic Engineering (NIBGE), Faisalabad, Pakistan

Abstract:

Current study focused on expression profiling of locally bred Bt-cotton varieties through ELISA and were tested for their efficacy against survival of Helicoverpa armigera in control environment. The population dynamics of five sucking arthropods; whitefly, jassid, aphid, thrips and mites, along the growing season was also monitored and correlated with different meteorological factors. Expression levels of insecticidal protein Cry1Ab/c were found to vary significantly (P-1, for 95% control of the target insect pests. Sucking pest population was found to be variable among both the cultivars and the sampling dates. A positive correlation was found between rain/ humidity and sucking arthropods population in the sampled cotton plots.

Page(s): 879-885

DOI: DOI not available

Published: Journal: International Journal of Agriculture and Biology, Volume: 16, Issue: 5, Year: 2014

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