| Literature DB >> 24226985 |
P Castañera1, J C Steffens, W M Tingey.
Abstract
Two potato genotypes resistant to the Colorado potato beetle (CPB) and three susceptible genotypes were used to investigate the role of total foliar polyphenol oxidase (PPO) on the performance of CPB larvae in long-term feeding assays. A significant positive correlation was found between larval mortality and PPO content in potato foliage. Moreover, a significant negative correlation was also observed between PPO content and larval weight, fecundity, and relative larval growth rate. These results suggest a significant role of PPO in conferring potato resistance to the Colorado potato beetle at least in those clones where the PPO levels were above a certain threshold.Entities:
Year: 1996 PMID: 24226985 DOI: 10.1007/BF02040202
Source DB: PubMed Journal: J Chem Ecol ISSN: 0098-0331 Impact factor: 2.626