บทคัดย่องานวิจัย

หมวดหมู่ : ฐานข้อมูลงานวิจัย

Biological activity of sorghum tannin extracts on the stored grain pests Sitophilus oryzae (L.), Sitotroga cerealella (Olivier) and Tribolium castaneum (Herbst).

Wongo, L. E.;

Insect Science and its Application Year: 1998 Vol: 18 Issue: 1 Pages: 17-23 Ref: 29 ref.

1998

บทคัดย่อ

Biological activity of sorghum tannin extracts on the stored grain pests Sitophilus oryzae (L.), Sitotroga cerealella (Olivier) and Tribolium castaneum (Herbst).

Tannin extracts of two sorghum (Sorghum bicolor) cultivars, BKS 5 and BTX 623, were assessed for their bioactivity against the rice weevil, Sitophilus oryzae, and the angoumois grain moth, Sitotroga cerealella, in whole wheat flour pellets and against the red flour beetle, Tribolium castaneum, in whole wheat flour at three treatment levels. The number of adult progeny was reduced and number of days to emergence increased by tannins extracted from both sorghum cultivars at all treatment levels. However, the effects were not significant in all cases. In a short term (25 days) feeding test using S. oryzae adults, the presence of sorghum tannins from cv. BKS 5 in pellets significantly reduced feeding by insects.