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Table 1 Effects of Melia azedarach fruit extracts and selected biorational insecticides on Citrus leafminer first instar larvae (L1) infesting canopy of Lemon trees under field conditions

From: Effect of Melia azedarach (Sapindales: Meliaceae) fruit extracts on Citrus Leafminer Phyllocnistis citrella (Lepidoptera: Gracillariidae)

 

Average number of live larvae (L1) per leaf*

Treatments

Before 1st spray**

10 days after 1st spray

10 days after 2nd spray

Control

0.330 ± 0.018

0.517 ± 0.023 a

0.658 ± 0.020 a

Melia green fruit extract

0.330 ± 0.018

0.342 ± 0.018 b

0.400 ± 0.019 b

Melia mature fruit extract

0.350 ± 0.016

0.317 ± 0.019 b

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Neem oil

0.342 ± 0.017

0.100 ± 0.011 c

0.083 ± 0.010 c

Abamectin

0.367 ± 0.016

0.058 ± 0.009 c

0.067 ± 0.010 c

  1. Measurement values presented are mean + SEM.
  2. * = Means in a column followed by different letters are significantly different (Student Newman Keuls test, P < 0.05).
  3. ** = Initial counts of live larvae were not significantly different at the first date of the experiment before applying the 1st spray for each treatment.