Influence of Natural Enemies on Spread of an Aphid-borne VirusCornell University, 1994 - 198 pages |
Contents
List of Figures | 2 |
Effect of aphid predators on the spread of an aphidborne virus | 14 |
14 | 32 |
Copyright | |
7 other sections not shown
Common terms and phrases
adults aphid density aphid distribution aphid movement aphid population aphid survival apterous attack avenae background barley yellow dwarf beetle behavior BYDV cage caused Chapter clumped coccinellids decrease detect determined disease effect encounter epidemic epidemiology escape et al expected explain feeding field data field experiment Figure Frazer Gilbert greater host impact important increased indicates individual infected plants initial aphid interaction Ithaca laboratory observations less mode move natural enemies nonpersistent number of aphids observations padi parameters parasitism parasitoid pea aphids persistent plot population positions Power predator density predicted presence prey probability proportion random randomly relatively release remains reported require response Roitberg & Myers season showed significant simulation species square meter Table temperature transformed transmitted treatment values vector virus incidence virus spread virus transmission Virus Vectors viruses wasps whereas yellow dwarf virus