Table 4 Persistence of plant powders in protection potato tubers from PTM Phthorimaea operculella infestation during different intervals of storage

Zyhgophyllum

0 h

0 h

0 h

0 h

4.80 ± 0.6 f

6.50 ± 0.28 b

Coriander

0 h

0 h

0 h

0 h

6.80 ± 0.17 f

6.80 ± 0.44 b

Colocynth

8.78 ± 0.49 g

9.35 ± 0.30 b

15.00 ± 1.00 f

16.67 ± 0.67 e

18.00 ± 1.15 e

29.96 ± 0.03 a

Jasmine

11.40 ± 0.36 f

12.00 ± 10.05 g

16.05 ± 2.03 ef

19.00 ± 0.05 de

20.05 ± 0.53 de

29.98 ± 0.02 a

Mint

13.33 ± 0.44 ed

13.83 ± 0.17 f

15.33 ± 0.33 f

17.00 ± 1.00 e

17.33 ± 1.33 e

29.60 ± 0.32 a

Basil

15.00 ± 0.58 d

15.67 ± 0.33 e

16.66 ± 0.53 de

18.90 ± 0.67 de

19.33 ± 0.88 de

29.97 ± 0.33 a

Camomile

15.00 ± 1.00 d

16.00 ± 0.67 e

16.67 ± 0.67 e

18.70 ± 0.36 de

21.33 ± 1.86 de

29.59 ± 0.05 a

Geranium

16.60 ± 0.53 cd

17.47 ± 0.23 d

18.23 ± 0.91 cd

22.00 ± 1.70 bc

22.33 ± 1.5 bc

29.99 ± 0.07 a

Senna

17.36 ± 0.37 c

18.07 ± 0.33 cd

19.67 ± 0.33 bc

21.33 ± 0.67 bc

21.33 ± 0.66 bc

29.99 ± 0.01 a

Harmel

18.52 ± 0.29 bc

18.76 ± 0.03 c

19.00 ± 0.58 bc

19.67 ± 0.33 cd

20.33 ± 0.88 cd

29.80 ± 0.17 a

Solanum

20.00 ± 0.58 b

20.00 ± 0.00 b

20.67 ± 0.67 bc

21.30 ± 0.67 bc

22.33 ± 1.45 bc

29.99 ± 0.01 a

Arnoglosse

20.00 ± 1.50 b

20.67 ± 0.67 b

21.33 ± 0.67 b

23.00 ± 1.00 b

24.00 ± 1.00 b

29.99 ± 0.00 a

Control

30.00 ± 0.00 a

30.00 ± 0.00 a

30.00 ± 0.00 a

30.00 ± 0.00 a

30.00 ± 0.00 a

30.00 ± 0.00 a

LSD 0.05

1.78

0.81

2.52

2.34

3.07

0.58

LSD 0.01

2.42

1.10

3.43

3.24

1.14

0.79