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Table 4 Effect on nymphal development, mortality and adult emergence in transgenic and control cotton lines under no-choice conditions during 2021 and 2022

From: Evaluation of transgenic cotton lines expressing an insecticidal fern protein against whitefly, Bemisia tabaci (Gennadius)

Analyzed lines

No. of nymphs turned red eyed

Mortality up to red eyed nymphs /%

No. of adults Emerged from red eyed nymphs

Mortality up to adult emergence /%

Adult

Emergence /%

2021

2022

2021

2022

2021

2022

2021

2022

2021

2022

Transgenic line A

26.00 ± 0.71B

(5.10 ± 0.07)

21.80 ± 1.24D

(4.66 ± 0.13)

48.00 ± 0.89A

56.40 ± 2.48A

17.00 ± 0.71C

(4.12 ± 0.09)

18.60 ± 1.03E

(4.13 ± 0.12)

66.00 ± 0.89A

62.80 ± 2.06A

34.00 ± 1.10D

37.20 ± 2.06E

Transgenic line B

27.00 ± 0.45B

(5.20 ± 0.04)

21.20 ± 1.16D

(4.60 ± 0.13)

46.00 ± 0.55AB

57.60 ± 2.32A

19.00 ± 0.89C

(4.35 ± 0.10)

19.40 ± 1.44DE

(4.39 ± 0.16)

62.00 ± 1.14B

61.20 ± 2.87AB

38.00 ± 1.14C

38.80 ± 2.87DE

Transgenic line C

28.00 ± 1.76B

(5.28 ± 0.16)

25.80 ± 3.15CD

(5.05 ± 0.29)

44.00 ± 0.89BC

48.40 ± 6.31AB

23.00 ± 0.84B

(4.79 ± 0.09)

24.00 ± 3.16BCD

(4.86 ± 0.31)

54.00 ± 1.48C

52.00 ± 6.32BCD

46.00 ± 1.05B

48.00 ± 6.32BCD

Transgenic line D

32.00 ± 1.30A

(5.65 ± 0.11)

24.20 ± 1.93D

(4.90 ± 0.19)

36.00 ± 1.26D

51.60 ± 3.87A

27.00 ± 0.71A

(5.19 ± 0.07)

22.60 ± 2.01CDE

(4.74 ± 0.21)

46.00 ± 1.52D

54.80 ± 4.03ABC

54.00 ± 1.84A

45.20 ± 4.03CDE

Control line—Non-transgenic

29.00 ± 1.61AB

(5.38 ± 0.15)

29.40 ± 1.08BC

(5.42 ± 0.10)

42.00 ± 0.89C

41.20 ± 2.15BC

24.00 ± 0.84B

(4.90 ± 0.09)

27.40 ± 0.68B

(5.23 ± 0.07)

52.00 ± 1.18C

45.20 ± 1.36D

48.00 ± 0.71B

54.80 ± 1.36B

Control line—Resistant

28.00 ± 1.58B

(5.28 ± 0.15)

32.60 ± 0.87AB

(5.71 ± 0.08)

44.00 ± 0.63BC

34.80 ± 1.74CD

23.00 ± 1.14B

(4.79 ± 0.12)

26.40 ± 0.87BC

(5.14 ± 0.08)

54.00 ± 1.58C

47.20 ± 1.74CD

46.00 ± 0.71B

52.80 ± 1.74BC

Control line—Susceptible

32.00 ± 1.14A

(5.65 ± 0.10)

36.00 ± 0.32A

(6.00 ± 0.03)

36.00 ± 1.58D

28.00 ± 0.63D

28.00 ± 0.55A

(5.29 ± 0.05)

33.40 ± 0.81A

(5.78 ± 0.07)

44.00 ± 1.10D

33.20 ± 1.62E

56.00 ± 1.58A

66.80 ± 1.62A

F value

3.30

11.57

21.30

11.77

22.93

9.56

37.49

9.54

41.78

9.54

P value for F test

 < 0.01

 < 0.0001

 < 0.0001

 < 0.0001

 < 0.0001

 < 0.0001

 < 0.0001

 < 0.0001

 < 0.0001

 < 0.0001

  1. Note: Values followed by same letter are not significant at P = 0.01
  2. Figures in parenthesis are square root transformed values