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Table 3 Influence of silica materials application on the rice stem borer, Chilo agamemnon, infestation, assessed as percentages of rice plant white heads

From: Role of the egg parasitoid, Trichogramma evanescens West., release and silica applications in controlling of the stem borer, Chilo agamemnon Bles. (Lepidoptera: Crambidae), in rice fields in Egypt

Treatment

Rate/feddan

2015

2016

Average

Reduction %

Check (without)

11.63a

7.15a

9.39

Compost straw (basal)

2.1 t

9.58b

6.58b

8.08

13.95

Mixed mineral (basal)

500 kg

4.85c

3.92c

4.39

53.25

Potassium silicate (basal)

500 kg

4.14c

3.69c

3.92

58.25

Biocide ore (two sprays)

2 kg spray

4.88c

4.04c

4.46

52.50

Magnesium silicate (two sprays)

2 kg spray

4.30c

4.28c

4.29

54.31

  1. a,b,cMeans followed by the same letter are not significantly at the 5% level of probability