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Table 2 Treatment characteristics in potted-maize plant experiments against larvae of Diabrotica v. virgifera under greenhouse conditions

From: Can the botanical azadirachtin replace phased-out soil insecticides in suppressing the soil insect pest Diabrotica virgifera virgifera?

Treatment

Formulation

Dose/ha (a.i.)

Dose/meter furrow (a.i.)

Dose/10 cm furrow/plant/pot (a.i.)

Dose/cm2 (a.i.)

Experiment number (# blocks; # plants)

Test agent

 Azadirachtin 0.15%

  (Neem Azaal 0.15G)a

Granule

18 kg (27 g)

1.3 g (2 mg)

130 mg (0.2 mg)

26 mg (40 µg)

3 (3; 15)

25 kg (38 g) s

1.9 g (2.8 mg)

190 mg (0.28 mg)

38 mg (56 µg)

1 (3; 15), 2 (4; 20), 3 (3; 15)

  (limoid)

135 kg (200 g)

10.2 g (15 mg)

1020 mg (1.5 mg)

204 mg (300 µg)

3 (3; 15)

250 kg (370 g)

19 g (28 mg)

1900 mg (2.8 mg)

380 mg (560 µg)

3 (3; 15)

2500 kg (3700 g)

190 g (280 mg)

19,000 mg (28 mg)

3800 mg (5600 µg)

3 (3; 15)

Positive controls

 Cypermethrin 0.8%

  (Belem 0.8 MG)

  (pyrethroid)

Micro granule

12 kg (96 g) s

0.9 g (7.2 mg)

90 mg (0.72 mg)

18 mg (0.14 µg)

1 (3; 15), 2 (4; 20)

25 kg (200 g)

1.9 g (15 mg)

188 mg (1.5 mg)

38 mg (0.3 µg)

3 (3; 15)

 Tefluthrin 1.5%

  (Force 1.5G)

  (pyrethroid)

Fine granule

13.3 kg (200 g) s

1 g (15 mg)

100 mg (1.5 mg)

20 mg (0.3 µg)

1 (3; 15), 2 (4; 20), 3 (3; 15)

 Thiamethoxam 30%

  (Cruiser 350FS)

   (neonicotinoid)

Seed coating

180 ml (63 g/50,000 seeds) s

18 µl (6.25 mg/5 seeds)

3.6 µl (1.25 mg/seed)

3.6 µl (1.25 mg/seed)

1 (3; 15), 2 (4; 20)

Negative controls

 Untreated-infested

–

–

–

–

–

1 (3; 15), 2 (4; 20), 3 (3; 15)

 Untreated un-infested

–

–

–

–

–

1 (3; 15), 2 (4; 20), 3 (3; 15)

  1. About 2 × 10 cm treatment strips along soil surface in the pots extrapolated to hectare doses of products for 13,300 row meters. 1.5 l soil in pots with maize plants used. Plants of experiment 1 and 3 infested with 50 ready-to-hatch eggs each, and of experiment 2 with 100 eggs. Block numbers reflect the within experiment replicates. Plants numbers reflect the sample size per treatment per experiment
  2. s Standard doses
  3.  a Similar to Avana™ by Parry Americaa