Mass production of polyhedral occlusion bodies of NPV of Helicoverpa armigera in relation to dose, age and larval weight.
Indian J Exp Biol
;
2002 Jul; 40(7): 846-9
Artigo
em Inglês
| IMSEAR
| ID: sea-60689
ABSTRACT
A significant difference was noticed in the yield of polyhedral occlusion bodies (POBs) in various larval instars of H. armigera when three different doses of the nuclear polyhedrosis virus (NPV) were administered. The yield of POBs from a single larva ranged from 0.35 x 10(6) to 25033.33 x 10(6) with a mean of 18422.33 x 10(6) for fourth instar inoculated. Positive correlation existed between larval weight and number of POBs recovered. The regression analysis indicated POBs recovered responded with predictable manner to the weight of different larval instars and the various concentration of virus administered. The medium lethal time increased in the instars of the larva advanced with a minimum of 3.5 and maximum of 8 days in the first and fifth instars respectively.
Texto completo:
DisponíveL
Índice:
IMSEAR (Sudeste Asiático)
Assunto principal:
Nucleopoliedrovírus
/
Animais
/
Mariposas
Idioma:
Inglês
Revista:
Indian J Exp Biol
Ano de publicação:
2002
Tipo de documento:
Artigo
Similares
MEDLINE
...
LILACS
LIS