Densities of 10, 20, and 30 hard red winter wheat kernels, Triticum aestivum L., were infested with different life stages of the rice weevil, Sitophilus oryzae (L.), mixed with 35 g of wheat treated with 300 ppm of the Protect-It (Mississauga, Ontario, Canada) formulation of diatomaceous earth (DE), and held at 22, 27, and 32 degrees C. A similar test was conducted by exposing densities of 6, 1...

Microbial enzymes produced using biological processes are of great importance due to their contribution sustainable solutions for agricultural production. In our previous study, the chitinase enzyme from Lactobacillus coryniformis was purified, immobilized zinc oxide (ZnO) nanoparticles, and its effectiveness as a bioinsecticide against storage pest Sitophilus zeamais Motschulsky, 1855 (Coleopt...