Bulletin of the National Research Centre

Table 8 Effect of the treatment with tested compounds on catalase (CAT) enzyme of citrus orchard

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

Enzyme activity (U/g fresh w./h)	Treatment	Days after treatment
		Before spray	7		14		21
		Before spray	EC	Nano	EC	Nano	EC	Nano
Catalase	Control	36.13 ± 0.15b^a	39.04 ± 0.53a*		38.34 ± 0.14a		38.23 ± 0.03a
	Active Cable	37.65 ± 0.43a	13.78 ± 8.20e		16.39 ± 3.70d		16.50 ± 2.01e
	Laury 3%	35.91 ± 0.31b	12.78 ± 4.57e	22.69 ± 1.55bc	20.42 ± 1.33 cd	22.98 ± 6.28bc	21.64 ± 6.38bcd	21.92 ± 1.15bcde
	Laury 5%	36.03 ± 0.45b	5.26 ± 1.09f	19.84 ± 1.03 cd	16.09 ± 2.44d	18.97 ± 0.13 cd	19.39 ± 5.28cde	16.95 ± 1.10de
	Artemisia 3%	37.72 ± 0.83a	15.55 ± 0.28de	27.59 ± 2.10b	19.86 ± 0.07 cd	26.72 ± 0.55b	24.01 ± 3.14bc	26.54 ± 0.20b
	Artemisia 5%	37.65 ± 0.01a	10.99 ± 1.18e	25.35 ± 0.85b	17.94 ± 7.69 cd	23.33 ± 0.11bc	22.86 ± 6.65bcde	22.64 ± 0.02bcd
	LSD_0.05^b	0.79	5.37		5.91		6.12

Each value represents the mean of three replicates ± standard deviation
^aMeans with different letters within each interval were significantly different at the 0.05 level (Duncan’s multiple range test)
^bLeast significant difference at 0.05 level of probability

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