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Table 3 Effect of Mulberry leaves, Black seeds and Basil leaves extracts as disinfectants on some biological and cocoon characters of infected Silkworm, B. mori larvae with B. bassiana

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

Treatment

Conc.a

Larval weight (g)

Larval Mortality (g)

Pupal weight (g)

Cocoon weight (g)

Cocoon shell wt. (g)

Silk ratio %

Mulberry Leaves

3%

4.028a

10.67a

1.194a

1.552a

0.358a

23.058a

2%

4.165a

9.33a

1.120a

1.462a

0.334a

22.920a

1%

3.995a

8.00a

1.038a

1.370a

0.324a

23.652a

Black seed

3%

4.117a

11.33a

1.408a

1.776a

0.362a

21.862a

2%

4.03a

8.00a

1.208a

1.556a

0.340a

21.896a

1%

3.812a

8.66a

1.150a

1.464a

0.310a

21.228a

Basil Leaves

3%

4.291a

11.33a

1.580a

1.988a

0.382a

19.258a

2%

4.055a

10.67a

1.300a

1.652a

0.350a

21.150a

1%

3.924a

9.33a

1.128a

1.394a

0.314a

22.566a

B. bassiana infected control

2.937a

27.00a

0.980a

1.274a

0.286a

22.440a

Control

3.769a

2.00a

1.116a

1.348a

0.332a

24.660a

F value

12.664

28.081

21.115

39.134

2.769

1.175

LSD0.05

0.285

3.451

0.102

0.088

0.049

ns

P ≥ 0.05

0.0000**

0.0000**

0.0000**

0.000**

.0073**

0.3287

  1. a The tested concentrations of plant extracts (%)
  2. ns and ** denote not significant and highly significant differences at 0.05, 0.01 levels of probability