Research Article
Evaluation of Botanical Powders for the Management of Rice Weevil (Sitophilus oryzae L. Coleoptera: Curculionidae) in Rupandehi, Nepal
Table 2
Effect of botanicals on percent germination, seed damage, weight loss, and live weevil population in 90 DAT at Rupandehi in 2015.
| Treatments | % germination | % seed damage | % weight loss | Weevil population |
| Azadirachta indica, 15 g/kg | 80.66b ± 1.45 | 21.66e ± 0.88 | 19.78c ± 1.10 | 391.33b ± 9.86 | Nicotiana tabacum, 10 g/kg | 80.66b ± 1.76 | 14.33f ± 0.88 | 15.62d ± 0.42 | 205.00d ± 7.77 | Zingiber officinale, 20 g/kg | 58.33d ± 2.03 | 39.00b ± 2.08 | 25.18b ± 1.44 | 394.33b ± 6.23 | Allium sativum, 20 g/kg | 80.33b ± 0.88 | 32.66c ± 0.67 | 16.70cd ± 0.52 | 281.66c ± 4.41 | Zanthoxylum armatum, 10 g/kg | 66.00c ± 1.53 | 26.66d ± 0.88 | 13.79d ± 0.71 | 255.00c ± 7.64 | Acorus calamus, 5 g/kg | 89.00a ± 0.58 | 04.00g ± 0.58 | 3.32e ± 0.58 | 51.33e ± 5.55 | Control | 23.66e ± 0.88 | 83.00a ± 2.08 | 50.95a ± 2.20 | 646.66a ± 10.64 | Mean | 68.38 | 31.61905 | 20.76 | 306.19 | value | <0.001 | <0.001 | <0.001 | <0.001 | CV (%) | 3.59 | 5.62 | 9.23 | 5.42 | LSD | 4.37 | 3.081307 | 3.41 | 29.53 |
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