Several insects, including the wheat stem sawfly ( Cephus cinctus Norton, Hymenoptera: Cephidae), interfere with biomass and grain production of triticale (× Triticosecale). We conducted a 2-year study in southern Alberta to compare cultivars Pronghorn AC Ultima at 200 400 seeds/m 2 terms damage incidence parasitoid wasp Bracon cephi Gahan, Braconidae). Plants seeded high rate were on average l...

Phacelia tanacetifolia Benth. is a melliferous, phytosanitary fodder plant. An important factor in understanding the biology of this plant to investigate its allelopathic potential. In experiment conducted here, ×Triticosecale Wittm. cv. Mamut was treated with water extracts from roots, stems, leaves, and flowers phacelia at concentrations 10%, 12.5%, 15%, control 0% extract. After 7 days expos...