Zobrazeno 1 - 10
of 14
pro vyhledávání: '"J. J. Soroka"'
Publikováno v:
Integrated management of insect pests on canola and other iBrassica/i oilseed crops
Scopus-Elsevier
Scopus-Elsevier
Externí odkaz:
https://explore.openaire.eu/search/publication?articleId=doi_dedup___::ab89c0a21293eb7f1bfd80847bc03b83
https://doi.org/10.1079/9781780648200.0316
https://doi.org/10.1079/9781780648200.0316
Autor:
J. J. Soroka, B. D. Gossen
Publikováno v:
Canadian Journal of Plant Science. 85:213-224
Silvertop, which is characterized by whitish, completely sterile seed heads produced on green tillers, is a common symptom in many perennial grasses. A 3-yr study of creeping bentgrass (Agrostis palustris), Kentucky bluegrass (Poa pratensis) and cree
Publikováno v:
Scopus-Elsevier
The impact of fertilizers containing macro- and micro-nutrients on seed production of alfalfa under irrigation in Saskatchewan was assessed. Trials were conducted on a Sutherland clay loam at Saskatoon, SK, from 1986 to 1991, and in a commercial fiel
Autor:
R. H. Elliott, J. J. Soroka
Publikováno v:
Canadian Journal of Plant Science. 86:907-909
In 16 experiments at two locations over six years, seed size had no effect on feeding levels by crucifer-feeding root maggots (Delia spp.) in Brassica rapa nor in B. napus. Root maggot injury in B. rapa declined as seeding rates increased. Damage to
Autor:
P. A. Mackay, J. J. Soroka
Publikováno v:
Journal of Economic Entomology. 84:1951-1956
Life tables and host preference tests were used to assess the resistance of six cultivars of field peas, Pisum sativum L., to pea aphid, Acyrthosiphon pisum (Harris), in the laboratory. Antibiosisresistance in ‘Tipu’ and ‘Century’ was express
Autor:
M. K. Pritchard, J. J. Soroka
Publikováno v:
Canadian Journal of Plant Science. 67:549-557
The effects of flea beetle (Coleoptera: Chrysomelidae) feeding on transplanted and direct-seeded broccoli (Brassica oleracea var. italica Pl.) were studied for 2 yr in field plots in south central Manitoba. Flea beetle populations were monitored in b