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Low-Rate Applications of Herbicides in Conventional and Reduced Tillage Potatoes (Solanum tuberosum)

Published online by Cambridge University Press:  12 June 2017

Russell W. Wallace  and
Robin R. Bellinder
Russell W. Wallace
Affiliation:
Veg. Crops Dep., Plant Sci. Bldg., Cornell Univ., Ithaca, NY 14853-0327
Robin R. Bellinder
Affiliation:
Veg. Crops Dep., Plant Sci. Bldg., Cornell Univ., Ithaca, NY 14853-0327
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Abstract

Linuron, metribuzin, oryzalin, and metolachlor were applied at recommended (1X) and two-thirds (0.67X) rates to evaluate control of redroot pigweed and common lambsquarters in conventional and rye-stubble reduced-tillage potato production systems. Regardless of tillage, common lambsquarters control was satisfactory during both seasons at both rates of linuron, metribuzin, and oryzalin. Redroot pigweed control by these three herbicides, although excellent in 1988, was poor in RT plots during 1987. Yields did not differ between tillage systems. Reduced weed control with metolachlor during both seasons, and possible crop injury with linuron in 1987 resulted in significant yield reductions.

Keywords

Linuron, N′-(3,4-dichlorophenyl)-N-methoxy-N-methylureametribuzin, 4-amino-6-(1,1-dimethylethyl)-3-(methylthio)-1,2,4-triazin-5(4H)-oneoryzalin, 4-(dipropylamino)-3,5-dinitrobenzenesulfonamidemetolachlor, 2-chloro-N-(2-ethyl-6-methylphenyl)-N-(2-methoxy-1-methylethyl)acetamideredroot pigweed, Amaranthus retroflexus L. ♯3 AMAREcommon lambsquarters, Chenopodium album L. ♯ CHEALpotato, Solanum tuberosum L.rye, Secale cereale L.LinuronmetolachlormetribuzinoryzalinAMARECHEAL
Type
Research
Information
Weed Technology , Volume 4 , Issue 3 , September 1990 , pp. 509 - 513
Copyright
Copyright © 1990 Weed Science Society of America 

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References

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