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Table 2 Effect of Mulberry leaves, Black seeds and Basil leaves extracts as disinfectants on silk filament characters of infected silkworm, B. mori larvae with B. thuringiensis

From: Controlling of bacterial and fungal diseases that contaminating mulberry silkworm, Bombyx mori by using some plant extracts

Extracts

Conc.a

Silk Filament Length (m)

Silk Filament weight (g)

Silk Filament Size (dn)

Mulberry Leaves

3%

1271.50a

0.300a

2.123a

2%

1147.75a

0.243a

1.900a

1%

1092.50a

0.223a

1.830a

Black seed

3%

1214.20a

0.308a

2.280a

2%

1145.50a

0.233a

1.830a

1%

1154.50a

0.203a

1.580a

Basil Leaves

3%

1226.50a

0.265a

1.943a

2%

1149.75a

0.260a

2.033a

1%

1061.75a

0.238a

2.020a

B. thuringiensis control

775.35a

0.17a

1.973a

Control

1089.50a

0.318a

2.627a

F value

18.411

8.357

6.651

LSD0.05

83.230

0.040

0.320

P ≥ 0.05

0.0000**

0.0000**

0.0000**

  1. a The tested concentrations of plant extracts (%)
  2. ** denote highly significant differences at 0.05, 0.01 levels of probability