Aspen Bibliography

Control of Aspen Poplar, Balsam Poplar, Prickly Rose and Western Snowberry With Metsulfuron-Methyl and 2,4-D

Document Type

Article

Journal/Book Title/Conference

Canadian Journal of Plant Science

Volume

76

Issue

4

First Page

885

Last Page

889

Publication Date

1996

Abstract

Aspen poplar, balsam poplar, prickly rose and western snowberry species grow together in pastures of the aspen parkland and reduce the grass and forb production available for grazing. Two 7-yr studies were conducted in east central Saskatchewan to evaluate metsulfuron-methyl (metsulfuron), 2,4-D and a mixture of metsulfuron + 2,4-D for the long-term control of these woody species. Metsulfuron applied at 60 g a.i. ha−1 effectively controlled the four woody species for 7 yr. Control was not improved when 2,4-D at 2 kg a.i. ha−1 was added to the 60 g ha−1 rate of metsulfuron. Aspen poplar control was improved when sucker regrowth was 2-yr old rather than 3-yr old. Grass and forb production was increased 50% from 1023 kg ha−1 in the untreated areas to 1619 kg ha−1 following application of 60 g ha−1 metsulfuron in two experiments averaged over 5 yr. Forbs production decreased from 44% on the untreated area to 8% on areas treated with metsulfuron.

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