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Table 3 Per plant egg and larval counts of H. armigera and other lepidopteran larvae on trap crop (per plant) in relation to berseem growth stages

From: Restricting lepidopteran herbivory through trap cropping and bird perches in Egyptian clover (Trifolium alexandrinum L.)

Treatments

No. of eggs of H. armigera

Larval population of H. armigera

Larval population

Spilosoma oblique

Spodoptera exigua

Vegetative stage

Flowering stage

Vegetative stage

Flowering stage

T1: marigold + bird perches

3.75 (2.16)

10 (2.32)

1.5 (1.53)

5.25 (2.49)

1.5

1.0 (1.39)

T2: marigold + bird perches + NSKE

6.0 (2.63)

13.25 (3.77)

3.0 (1.99)

6.5 (2.73)

2.25

0.25 (1.10)

T3: chickpea + bird perches

5.25 (2.49)

3.25 (2.03)

3.75 (2.17)

3.5 (2.11)

2.0

3.0 (1.95)

T4: chickpea + bird perches + NSKE

7.25 (2.86)

4.5 (2.32)

5.0 (2.44)

2.75 (1.91)

0.5

1.5 (1.57)

T5: sunflower + bird perches

4.75 (2.39)

7.5 (2.91)

1.25 (1.47)

8.0 (2.99)

2.5

6.75 (2.74)

T6: sunflower + bird perches NSKE

7.25 (2.87)

13 (3.73)

1.5 (1.53)

10 (3.30)

1.0

3.5 (2.1)

CD (p = 0.05)

0.34

0.37

0.27

0.32

NS

0.54

  1. Figures in parenthesis are \( \sqrt{n+1} \) transformed value