2005
DOI: 10.1128/aem.71.7.4104-4107.2005
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Epizootiological Modeling of Pandora neoaphidis Mycosis Transmission in Myzus persicae Colonies Initiated by Primarily Infected Alates

Abstract: Pandora neoaphidis transmission was monitored within progeny colonies initiated by infected Myzus periscae alates individually flown for 1 to 5 h. Mycosis progress in the colonies was well fitted (r 2 ‫؍‬ 0.97) to a modified logistic or Gompertz model that included their flight distance, postflight survival time, premycosis fecundity, and primary infection rate as influential variables.Mycoses caused by aphid-pathogenic Entomophthorales such as Pandora neoaphidis play important roles in natural control of aphi… Show more

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Cited by 10 publications
(4 citation statements)
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“…Pandora kondoiensis , P. neoaphidis , P. nouryi and P. uroleuconii (Keller, 2006; 2007). Of these, P. neoaphidis (for which no resting spores are yet known) causes epizootics of various aphids most frequently in the world and has proven to spread widely with host flight dispersal (Feng et al ., 2004; 2007; Chen and Feng, 2005, 2006) or to survive adversity in the possible form of thick‐walled conidia called loricoconidia (Nielsen et al ., 2003). Resting spores are also absent in both P. kondoiensis , a fungal pathogen infecting limited aphid species in Australia and China (Milner et al ., 1983; Li, 2000), and P. uroleuconii infecting the host aphid Uroleucon aeneum in Slovakia (Barta and Cagan, 2003).…”
mentioning
confidence: 99%
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“…Pandora kondoiensis , P. neoaphidis , P. nouryi and P. uroleuconii (Keller, 2006; 2007). Of these, P. neoaphidis (for which no resting spores are yet known) causes epizootics of various aphids most frequently in the world and has proven to spread widely with host flight dispersal (Feng et al ., 2004; 2007; Chen and Feng, 2005, 2006) or to survive adversity in the possible form of thick‐walled conidia called loricoconidia (Nielsen et al ., 2003). Resting spores are also absent in both P. kondoiensis , a fungal pathogen infecting limited aphid species in Australia and China (Milner et al ., 1983; Li, 2000), and P. uroleuconii infecting the host aphid Uroleucon aeneum in Slovakia (Barta and Cagan, 2003).…”
mentioning
confidence: 99%
“…This strategy means that the pathogens never leave their hosts and can be achieved by fungal dispersal with the flight of early infected host alates for new infection on suitable plants elsewhere. It is particularly effective for the obligate pathogens that lack or do not form resting spores, such as P. neoaphidis (Feng et al ., 2004; 2007; Chen and Feng, 2005; 2006). For the pathogens able to form resting spores, however, another important strategy is to survive adversity in situ .…”
mentioning
confidence: 99%
“…Several species of obligate or non‐obligate aphid pathogens are frequently present in thousands of migratory alates of cereal and vegetable aphids trapped from air (Chen and Feng, 2002; 2004a; Feng and Chen, 2002; Feng et al ., 2004). Of those, the predominant pathogen P. neoaphidis has experimentally proven to be disseminated into host colonies by artificially infected alates because they can produce certain numbers of nymphs within a latent period of the fungus after landing and then transmit their infection to progeny colonies after they died from mycosis (Chen and Feng, 2004b; 2005; 2006a,b; Feng et al ., 2004). However, it remains unknown about the opportunistic or enzootic status of Conidiobolus and other fungal pathogens, which usually form resting spores and also appear in the air‐trapped alates.…”
Section: Introductionmentioning
confidence: 99%
“…P. neoaphidis was the most numerous species in July of 2008, while E. planchoniana dominated in October 2009and in July 2010. Mycoses caused by aphid-pathogenic Entomophthorales, such as Pandora neoaphidis, play important roles in the natural control of aphids worldwide (Chen, Feng, 2005).…”
Section: Discussionmentioning
confidence: 99%