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Table 1 Predatory efficiency of C. zastrowi sillemi against M. persicae under protected cultivation conditions

From: Efficacy of the green lace wing, Chrysoperla zastrowi sillemi (Esben-Peterson) (Neuroptera: Chrysopidae), against sucking pests of tomato: an appraisal under protected conditions

Number of grubs/plant

Mean# number of aphids per plant

2018

Mean

2019

Mean

Pre-count

7 DAFR*

7 DASR**

7DATR***

Pre-count

7 DAFR*

7 DASR**

7DATR***

4

23.87a

1.27 ± 0.07a

0.23 ± 0.03a

0.07 ± 0.03a

0.52 ± 0.19a

33.73a

1.47 ± 0.09a

0.43 ± 0.18a

0.07 ± 0.07a

0.66 ± 0.22a

5

24.60a

1.20 ± 0.12a

0.13 ± 0.03a

0.07 ± 0.03a

0.47 ± 0.19a

34.83a

1.20 ± 0.15a

0.47 ± 0.03a

0.03 ± 0.03a

0.57 ± 0.18a

6

25.10a

1.00 ± 0.12a

0.10 ± 0.02a

0.03 ± 0.03a

0.38 ± 0.16a

34.67a

1.00 ± 0.17a

0.37 ± 0.03a

0.10 ± 0.02a

0.49 ± 0.14a

Untreated control

29.77a

31.22 ± 0.20b

32.73 ± 0.27b

33.40 ± 0.60b

32.45 ± 0.38b

36.03a

30.97 ± 0.38b

31.43 ± 0.03b

32.60 ± 0.06b

31.67 ± 0.27b

P value

0.163

< 0.0001

< 0.0001

< 0.0001

< 0.0001

0.815

< 0.0001

< 0.0001

< 0.0001

< 0.0001

  1. #Mean of three replications
  2. Means ± standard error followed by the same letter within a column are not significantly different (P < 0.05)
  3. *7 days after first release
  4. **7 days after second release
  5. ***7 days after third release