Hyposidra talaca NPV (HytaNPV): a potential baculovirus for efficient control of the black inch worm, Hyposidra talaca Walker (Lepidoptera: Geometridae), a major pest of tea Camellia sinensis (Ericales: Theaceae (L.) O. Kuntze)

Egyptian Journal of Biological Pest Control

Table 1 Mean percent mortality of the black inch worm (BIW) larvae fed on artificial diet treated with Hyposidra talaca nucleopolyhedrovirus (HytaNPV) at different concentrations for 7 days

	Mean % mortality of BIW after different treatment periods
Exposure	Day 1	Day 2	Day 3	Day 4	Day 5	Day 6	Day 7
Concentrations (ml/l)
Control	0^a	0^a	0^a	0^a	0^a	0^a	0^a
0.25 ml/l	0^a	0^a	0^a	27^b	37^b	44^b	62^b
0.5 ml/l	0^a	0^a	1^a	37^c	43^bc	65^c	81^c
1 ml/l	0^a	0^a	4^ab	43^cd	51^c	79^cd	100^d
2 ml/l	0^a	0^a	8^b	63^d	77^d	85^de	100^ad
5 ml/l	0^a	7^b	22^c	73^de	83^de	92^e	100^d
7.5 ml/l	0^a	17^b	28^c	80^e	97^e	100^e	100^d
10 ml/l	0^a	27^b	65^d	100^f	100^e	100^e	100^d
F	4.6	5.5	12.1	22.2	18.5	17.6	16.5
p	< 0.01	< 0.01	< 0.01	< 0.01	< 0.01	< 0.01	< 0.01

Means that are followed by the same letter inside each column do not differ significantly (all cases DF = 7, 54, Tukey–Kramer HSD test at p = 0.05)