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Table 1 Bioassay of Spilosoma obliqua nucleopolyhedrovirus against S. obliqua

From: Characterization and field evaluation of tetrahedral and triangular nucleopolyhedrovirus of Spilosoma obliqua (SpobNPV) strain NBAIR1 against jute hairy caterpillar

Number of larvae used

LC50 OBs/mm2 (6th day)

Slope ± SE

Fiducial limits

χ2

DF

Lower

Upper

 

1st instar

220

2.93

0.81 ± 0.11

0.032

1.907

0.32

3

 

2nd instar

240

5.95

0.92 ± 0.13

2.283

11.205

1.20

3

 

3rd instar

300

6.73

0.96 ± 0.11

2.69

13.203

2.32

3