Psyche: A Journal of Entomology / 2010 / Article / Tab 3

Research Article

On the Breeding of Bivoltine Breeds of the Silkworm, Bombyx mori L. (Lepidoptera: Bombycidae), Tolerant to High Temperature and High Humidity Conditions of the Tropics

Table 3

Generation wise mean performance for reeling of HH8 at two different temperatures.

40±1°C and 85±5% RH25±1°C and 65±5% RH
GenerationReelability %Filament length (m)RendittaRaw silk %Filament size (d)Neatness (p)Reelability %Filament lengt (m)RendittaRaw silk %Filament size (d)Neatness (p)

F182.00 (64.90)7576.5915.1 (22.94)2.4285.00 (67.21)86.00 (68.03)9815.7217.48 (24.71)2.8392.33 (73.93)
F282.00 (64.90)7966.7914.76 (22.59)2.4487.00 (68.87)84.67 (66.95)9805.5617.98 (25.09)2.5191.00 (72.60)
F380.00 (63.44)8256.6815.01 (22.79)2.2986.00 (68.03)86.67 (68.58)10235.6317.78 (24.94)2.8692.00 (73.57)
F481.00 (64.16)8086.6615.02 (22.80)2.5088.67 (70.34)85.33 (67.49)10165.4718.27 (25.31)3.0092.67 (74.30)
F580.67 (63.92)8796.7614.79 (22.62)2.4287.00 (68.87)85.00 (67.21)10135.5817.94 (25.06)2.9890.67 (72.23)
F686.33 (68.31)10215.6417.73 (24.90)2.9192.33 (73.93)
F780.67 (63.92)8986.6315.11 (22.87)2.4690.67 (72.23)86.00 (68.04)10305.6317.77 (24.93)2.8891.67 (73.26)
F886.33 (68.31)9935.5817.93 (25.05)2.8991.33 (72.90)
F981.00 (64.16)8786.3815.69 (23.33)2.3690.00 (71.57)85.33 (67.49)10335.5917.88 (25.01)2.9792.33 (73.93)
F1086.33 (68.31)11065.6817.61 (24.81)2.8791.00 (72.60)
F1180.33 (63.68)9196.5015.41 (23.11)2.3890.00 (71.57)86.33 (68.31)10075.6617.66 (24.85)2.8792.33 (73.93)
F1286.67 (68.59)10215.5717.95 (24.07)2.8992.00 (73.59)

Mean80.968456.6215.122.4188.0485.9210195.6117.832.8791.81
F-test*****nsns***ns*****nsns***ns
Cd at 5%0.8733.330.090.9743.900.08
CV%1.006.704.124.083.112.370.943.771.781.794.451.19

*,  **,  ***Denote significant difference at 5%, 1% and 0.1% level, respectively. ns: Denote non significant. Values in parenthesis are angular transformed.