Pea aphid, Acyrthosiphon pisum (Harris), populations on cultivars of field peas in Manitoba and their effects on pea yield
The research for this project was undertaken from 1984 to 1987. Natural infestations of pea aphids, Acyrthosiphon pisum (Harris), were measured throughout the summer on five (1984) or six (1985, 1986) cultivars of field peas in small field plots near Glenlea, Manitoba. sarting from equal numbers of...
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2012
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| Online Access: | http://hdl.handle.net/1993/7195 |