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 lossWeevil population

Azadirachta indica, 15 g/kg80.66b ± 1.4521.66e ± 0.8819.78c ± 1.10391.33b ± 9.86
Nicotiana tabacum, 10 g/kg80.66b ± 1.7614.33f ± 0.8815.62d ± 0.42205.00d ± 7.77
Zingiber officinale, 20 g/kg58.33d ± 2.0339.00b ± 2.0825.18b ± 1.44394.33b ± 6.23
Allium sativum, 20 g/kg80.33b ± 0.8832.66c ± 0.6716.70cd ± 0.52281.66c ± 4.41
Zanthoxylum armatum, 10 g/kg66.00c ± 1.5326.66d ± 0.8813.79d ± 0.71255.00c ± 7.64
Acorus calamus, 5 g/kg89.00a ± 0.5804.00g ± 0.583.32e ± 0.5851.33e ± 5.55
Control23.66e ± 0.8883.00a ± 2.0850.95a ± 2.20646.66a ± 10.64
Mean68.3831.6190520.76306.19
value<0.001<0.001<0.001<0.001
CV (%)3.595.629.235.42
LSD4.373.0813073.4129.53