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Early Broadleaf Weed Control in Potato (Solanum tuberosum) with Herbicides

Published online by Cambridge University Press:  12 June 2017

Martina W. Murray ,
Richard N. Arnold ,
Eddie J. Gregory  and
Dan Smeal
Martina W. Murray
Affiliation:
New Mexico State University Agricultural Science Center, P.O. Box 1018, Farmington, NM 87499
Richard N. Arnold
Affiliation:
New Mexico State University Agricultural Science Center, P.O. Box 1018, Farmington, NM 87499
Eddie J. Gregory
Affiliation:
New Mexico State University Agricultural Science Center, P.O. Box 1018, Farmington, NM 87499
Dan Smeal
Affiliation:
New Mexico State University Agricultural Science Center, P.O. Box 1018, Farmington, NM 87499
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Abstract

Ten herbicide treatments were evaluated for early season control of three broadleaf weeds and effects on marketable potato yields in low-organic, coarse-textured soil. All treatments controlled prostrate pigweed 100%. Trifluralin with metolachlor or with EPTC did not control kochia well. Pendimethalin alone or with EPTC controlled Russian thistle poorly, and produced the lowest marketable tuber yields. Fluorochloridone at 0.6 kg ai/ha caused chlorosis and reduced potato yield 11%. Treatments with metribuzin tended to have high potato yields.

Keywords

EPTC, 5-ethyl dipropyl carbamothioatefluorochloridone, 3-chloro-4-(chloromethyl)-1-[3-(trifluoromethyl)phenyl]-2-pyrrolidi-nonemetolachlor, 2-chloro-N-(2-ethyl-6-methyl-phenyl)-N-(2-methoxy-1-methylethyl)acetamidemetribuzin, 4-amino-6-(1,1-dimethylethyl)-3-(methylthio)-1,2,4-triazin-5(4H)-onependimethalin, N-(1-ethylpropyl)-3,4-dimethyl-2,6-dinitrobenzenaminetrifluralin, 2,6-dinitro-N,N-dipropyl-4-(trifluoromethyl)benzenaminekochia, Kochia scoparia (L.) Schrad. # KCHSCprostrate pigweed, Amaranthus blitoides S. Wats. # AMABLpotato, Solanum tuberosum L.Russian thistle, Salsola iberica Sennen & Pau # SASKREPTCfluorochloridonemetolachlormetribuzinpendimethalintrifluralinAmaranthus blitoidesKochia scopariaSalsola ibericaSolanum tuberosumAMABLKCHSCSASKR
Type
Notes
Information
Weed Technology , Volume 8 , Issue 1 , March 1994 , pp. 165 - 167
Copyright
Copyright © 1994 by the Weed Science Society of America 

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References

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