Thông tin tài liệu:
Research objectives: Determination of the species composition of weevils on corn in warehouses in Son La; Effects of several ecological factors on growth characteristics of the maize weevil Sitophilus zeamais Motschulsky as the scientific basis for suitable measures in corn storage warehouses.
Nội dung trích xuất từ tài liệu:
Summary of the Doctoral thesis Biology: Research on species composition of weevils on post-harvest corn and effects of some ecological factors on development of maize weevil Sitophilus zeamais Motschulsky in granaries in Son La