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Control of Quackgrass (Elytrigia repens) and Broadleaf Weeds and Response of Potato (Solanum tuberosum) Cultivars to Rimsulfuron

Published online by Cambridge University Press:  20 January 2017

Jerry A. Ivany
Jerry A. Ivany*
Affiliation:
(Weed Control), Crops and Livestock Research Centre, Agriculture and Agri-Food Canada, 440 University Ave., Charlottetown, Prince Edward Island, Canada C1A 4N6
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Abstract

Studies were conducted from 1992 to 1995 to determine the effect of rimsulfuron on corn spurry, wild radish, narrowleaf goldenrod, and quackgrass and potato cultivars. Rimsulfuron alone gave 100% control of wild radish, 68 to 70% control of corn spurry, and 75 to 90% control of narrowleaf goldenrod. Rimsulfuron plus metribuzin gave 99 to 100% control of wild radish and 85 to 100% control of corn spurry. Quackgrass control varied from 51 to 90% between experiments, indicating that environmental and plant factors affected the activity of the herbicide. Tank mixes with metribuzin slightly reduced the control of quackgrass but resulted in greater foliar injury than that of rimsulfuron to potato. Slight injury to potato plants disappeared within 2 to 3 wk, and tuber yields were not reduced. Russet Burbank, Shepody, and Kennebec potato cultivars had slight (2 to 8%) injury from rimsulfuron. Injury to Shepody (14 to 20%) and Russet Burbank (11%) increased when rimsulfuron was applied with metribuzin. Rimsulfuron had no effect on the number or the fresh weight of sprouts on daughter tubers tested the next spring after application.

Keywords

Metribuzinrimsulfuroncorn spurry, Spergula arvensis L. #3 SPRARnarrowleaf goldenrod, Solidago canadensis L. # SOLCAquackgrass, Elytrigia repens Nevski # AGRREwild radish, Raphanus raphanistrum L. # RAPRApotato, Solanum tuberosum L. # SOLTU ‘Russet Burbank’, ‘Shepody’, ‘Kennebec’Daughter tuber sproutingDPX E-9636GC, ground cracklf, leafPEI, Prince Edward IslandPOST, postemergencePRE, preemergenceRH, relative humidity
Type
Research
Information
Weed Technology , Volume 16 , Issue 2 , June 2002 , pp. 261 - 266
Copyright
Copyright © Weed Science Society of America 

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References

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