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Distribution and Biocontrol Potential of Entomopathogenic Nematodes Against Some Lepidopterous Pests

CSK Himachal Pradesh Agricultural University Repository

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Relation http://hillagricrepository.co.in/810/
 
Title Distribution and Biocontrol Potential of Entomopathogenic Nematodes Against Some Lepidopterous Pests
 
Creator Vashisth, Sumit
 
Subject 595 Arthropoda
 
Description The interest in the use of nematodes as biological pest control agents has increased exponentially over the past few decades. Nematodes are morphologically, genetically and ecologically diverse organisms occupying more varied habitats than any other animal group except arthropods (Kaya 1985). Nematodes are categorized as being free-living in marine, freshwater, soil ecosystems and as parasites of plants and animals. A large group of nematodes is specialized for parasitism of insects. Relationships between nematodes and insects vary from simple phoresis, symbiosis and commensalism to facultative and obligate parasitism (Mracek 2008). The term 'entomophilic nematodes' includes all these associations. 'Entomopathogenic nematodes' are only those that have facultative or obligate parasitic associations with insects (Koppenhofer and Kaya 2001). Nematode parasitism of insects may result in sterility, reduced fecundity, delayed development, aberrant behaviour or death of the host. A highly desirable attribute of nematodes in control programmes is rapid host mortality which prevents the degree of insect damage to crops (Kaya 1985). These nematodes have a world-wide distribution (Mracek 2008).
 
Date 2014
 
Type Thesis
NonPeerReviewed
 
Format text
 
Language en
 
Identifier http://hillagricrepository.co.in/810/1/SUMIT%20Vashist%20%20PhDThesis.pdf
Vashisth, Sumit (2014) Distribution and Biocontrol Potential of Entomopathogenic Nematodes Against Some Lepidopterous Pests. PhD thesis thesis, CSKHPKV Palampur.