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Bulletin of the National Research Centre

Table 5 Insect nymphs of Parlatoria ziziphi affected by application of two formulation types based on the plant essential oils in citrus orchards

From: Characterization and insecticidal activity of two natural formulation types against the scale insect (Parlatoria ziziphi) and their biochemical effects on Citrus aurantium

Treatments

Concentration

Formulation type

Live individuals

Grand mean

Reduction%

Pre spraying

After spraying (Days)

7

14

21

Laury

3%

EC emulsions

616.7aa

16.73

13.53

90.67

40.31f

91.44a

 

5%

595.73a

12.07

17.93

76.07

35.36f

92.23a

Artemisia

3%

618.27a

9.73

39.53

585.7

211.65b

55.16c

 

5%

617a

28.6

47.4

119.4

65.13e

86.17a

Active Cable

1%

615.87a

136.27

25.73

3.31

55.04ef

88.29a

Laury

3%

Nanoemulsion

621.66a

188.99

160.64

128.46

159.36c

66.42b

 

5%

608.39a

138.71

124.80

117.67

127.06d

72.65b

Artemisia

3%

521.98b

357.03

119

101.18

192.40b

51.72c

 

5%

502.83b

267.51

38.21

32.57

112.76d

70.63b

Control

  

595a

218.07

597.07

547.67

454.27a

–

LSD0.05b

  

63.19

   

20.64

8.05

  1. aMeans coupled by the same letter in a column do not differ significantly at 5% level of probability (Duncan test)
  2. bLeast significant difference at 0.05 level of probability
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