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The tobacco caterpillar, Spodoptera litura (Fabricius) is regular
polyphagous pest of field and horticultural crops and is
distributed throughout Asia, from North Africa to Japan, Australia
and New Zealand the eastern part of the world.It infests more than
112 crop plants belonging to 44 families in the world, of which 40
cultivated plants as well as 24 wild plants are known from
India.This pest has become devastating because of its features such
as polyphagous nature, high reproductive potential, overlapping
generations, year round availability of host plants, ability of
adults to migrate over large distances and frequent control
failures with most of the routinely used insecticides.As a result
of excessive selection pressure exerted by the intensive use of
insecticides, field populations of S. litura has become resistant
to most of the insecticides. Development of insecticide resistance
in S. litura is one of the major obstacles for the profitable
cultivation of vegetables and commercial crops. Therefore this book
is intended for the PG students and researchers of Toxicology,
Entomology and Enviromenatal sciences.
GM crops or Bt cotton is an important component of IPM but, there
are still certain question which are unanswered specifically
regarding the ecological impacts of genetically engineered (GE)
crops on non-target organisms including natural enemies that are
important for pest regulation and thus of economic value. The green
lacewing, Chrysoperla carnea most important biological control
organism. Being an important predator, it is also routinely tested
for non-target effects of Bt (Bacillus thuringiensis) toxins for
regulatory purposes in the approval process of Bt plants. This book
contains important information on the safety and ecological
compatibility of Bt crops to green lacewing. The book is intended
to be useful for graduate students of science, agricultural
faculty, environmental science, post graduate students of
Entomology, etc.
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