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Table 3 Seasonal population trend of sucking pests in the cotton crop season

From: Seasonal population trend and relative occurrence of pests and their natural enemies among cotton species and cultivars in India

SMW

Corresponding days of SMW

Cotton aphid per 3 leaves

Cotton jassid per 3 leaves

Cotton jassid catches per yellow sticky trap in a week

Cotton whitefly per 3 leaves

Cotton whitefly catches per yellow sticky trap in a week

Onion thrips per 3 leaves

Mirid bug per top one-third portion

30

23 Jul – 29 Jul

3.97 ± 2.85

4.42 ± 2.36

–

0.65 ± 0.32

–

2.47 ± 1.00

0.10 ± 0.02

31

30 Jul – 05 Aug

11.00 ± 5.87

5.45 ± 2.13

–

0.68 ± 0.37

–

1.40 ± 0.41

0.10 ± 0.06

32

06 Aug – 12 Aug

34.73 ± 6.57

9.22 ± 3.14

140.50 ± 72.00

1.71 ± 0.42

41.50 ± 1.00

3.47 ± 0.80

0.15 ± 0.08

33

13 Aug – 19 Aug

18.47 ± 4.62

9.79 ± 3.41

454.00 ± 169.85

1.47 ± 0.20

56.83 ± 9.53

3.48 ± 1.01

0.24 ± 0.10

34

20 Aug – 26 Aug

11.39 ± 4.17

9.55 ± 3.30

441.63 ± 128.44

1.81 ± 0.30

84.88 ± 37.18

5.19 ± 0.97

0.22 ± 0.11

35

27 Aug – 02 Sep

9.38 ± 4.04

7.88 ± 1.28

354.88 ± 39.25

2.54 ± 0.58

118.00 ± 13.00

4.31 ± 1.58

0.15 ± 0.05

36

03 Sep – 09 Sep

12.02 ± 5.29

11.36 ± 1.44

350.50 ± 65.67

2.35 ± 0.37

119.83 ± 27.28

3.49 ± 1.30

0.27 ± 0.07

37

10 Sep – 16 Sep

7.88 ± 3.48

9.65 ± 2.46

538.33 ± 129.08

1.93 ± 0.47

166.71 ± 45.21

3.08 ± 1.42

0.37 ± 0.08

38

17 Sep – 23 Sep

11.24 ± 4.26

7.87 ± 1.29

390.00 ± 103.20

2.12 ± 0.40

129.43 ± 44.38

1.91 ± 0.43

0.57 ± 0.21

39

24 Sep – 30 Sep

3.86 ± 1.29

5.78 ± 0.98

601.25 ± 182.59

1.84 ± 0.53

116.93 ± 43.77

1.53 ± 0.42

0.59 ± 0.29

40

01 Oct – 07 Oct

6.57 ± 3.63

5.06 ± 0.85

477.50 ± 100.82

1.89 ± 0.43

129.18 ± 48.49

1.96 ± 1.01

0.60 ± 0.20

41

08 Oct – 14 Oct

2.97 ± 1.28

4.90 ± 1.01

589.93 ± 181.69

1.32 ± 0.24

149.82 ± 57.09

1.61 ± 0.73

0.62 ± 0.24

42

15 Oct – 21 Oct

3.88 ± 1.39

3.93 ± 0.54

589.96 ± 190.49

1.49 ± 0.40

172.57 ± 76.17

1.88 ± 0.72

0.52 ± 0.27

43

22 Oct – 28 Oct

3.92 ± 1.26

3.42 ± 0.73

727.75 ± 155.08

1.51 ± 0.26

223.92 ± 82.52

1.09 ± 0.33

0.50 ± 0.20

44

29 Oct – 04 Nov

3.08 ± 0.91

2.94 ± 0.46

585.71 ± 173.42

1.40 ± 0.18

139.04 ± 37.83

1.28 ± 0.39

0.39 ± 0.11

45

05 Nov – 11 Nov

5.01 ± 1.80

3.24 ± 0.86

642.38 ± 245.97

0.90 ± 0.16

148.31 ± 28.87

1.37 ± 0.48

0.28 ± 0.07

46

12 Nov – 18 Nov

4.54 ± 2.85

2.70 ± 0.68

510.75 ± 213.57

1.09 ± 0.23

52.42 ± 26.07

1.47 ± 0.54

0.30 ± 0.08

47

19 Nov – 25 Nov

3.89 ± 2.12

2.90 ± 0.62

476.50 ± 176.41

1.18 ± 0.33

85.58 ± 23.24

1.10 ± 0.42

0.24 ± 0.08

48

26 Nov – 02 Dec

5.36 ± 2.87

2.82 ± 1.07

490.75 ± 284.02

1.15 ± 0.44

144.33 ± 27.03

0.44 ± 0.18

0.26 ± 0.15

49

03 Dec – 09 Dec

3.94 ± 2.86

2.28 ± 1.13

596.33 ± 245.71

1.04 ± 0.25

101.65 ± 7.24

0.45 ± 0.16

0.33 ± 0.33

50

10 Dec – 16 Dec

2.43 ± 0.63

2.18 ± 0.80

546.50 ± 357.00

1.29 ± 0.16

88.25 ± 14.25

1.34 ± 0.59

0.25 ± 0.25

51

17 Dec – 23 Dec

5.00 ± 1.95

2.38 ± 0.44

400.75 ± 199.25

1.31 ± 0.08

82.50 ± 23.50

1.01 ± 0.40

0.30 ± 0.30

52

24 Dec – 31 Dec

6.00 ± 2.40

2.81 ± 0.74

377.00 ± 113.00

1.41 ± 0.55

92.75 ± 1.25

2.65 ± 0.71

0.28 ± 0.36

1

01 Jan – 07 Jan

5.80 ± 2.81

2.17 ± 0.35

–

1.16 ± 0.16

–

1.15 ± 0.37

0.20 ± 0.14

2

08 Jan – 14 Jan

7.20 ± 4.50

3.21 ± 0.65

–

1.08 ± 0.30

–

2.29 ± 0.58

–

3

15 Jan – 21 Jan

6.20 ± 3.10

3.47 ± 1.73

–

1.13 ± 0.49

–

1.47 ± 0.68

–

4

22 Jan – 28 Jan

8.70 ± 4.35

1.33 ± 0.67

–

0.97 ± 0.43

–

0.63 ± 0.24

–

  1. SMW standard meteorological week
  2. "–" represent data collection with respect to yellow sticky trap catches of cotton jassid and cotton whitefly focused during August to December; mirid bug population remain less during fag end of season, thus could not record the data during 2 to 4 SMW. Data represent mean ± standard error