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Seed dispersal
(1909)
Bionomics of the sunflower beetle, Zygogramma exclamationis (F.) (Coleoptera: Chrysomelidae), and its parasites in Manitoba
(1982)
The sunflower beetle, Zygogramma exclamationis (F.), has one generation per year in Manitoba. The beetle overwinters as a sexually immature adult in soil, usually at a depth of 15 cm or less, in fields in which it ...
A study of losses due to weeds in several crop zones of Manitoba
(1933-04-01)
The control of weeds is one of the oldest and still one of the most important problems connected with agriculture. Because we have always had weeds with us, there is a tendency to accept the situation as inevitable and one ...