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Weed Management with Diclosulam in Peanut (Arachis hypogaea)

Published online by Cambridge University Press:  20 January 2017

Andrew J. Price ,
John W. Wilcut  and
Charles W. Swann
Andrew J. Price
Affiliation:
Crop Science Department, P.O. Box 7620, North Carolina State University, Raleigh, NC 27695-7620 Tidewater Agricultural Experiment Station, Suffolk, VA 23437
John W. Wilcut*
Affiliation:
Crop Science Department, P.O. Box 7620, North Carolina State University, Raleigh, NC 27695-7620 Tidewater Agricultural Experiment Station, Suffolk, VA 23437
Charles W. Swann
Affiliation:
Crop Science Department, P.O. Box 7620, North Carolina State University, Raleigh, NC 27695-7620 Tidewater Agricultural Experiment Station, Suffolk, VA 23437
*
Corresponding author's E-mail: john_wilcut@ncsu.edu
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Abstract

Field experiments were conducted at three locations in North Carolina in 1998 and 1999 and one location in Virginia in 1998 to evaluate weed management systems in peanut. Treatments consisted of diclosulam alone preemergence (PRE), or diclosulam plus metolachlor PRE alone or followed by (fb) bentazon plus acifluorfen postemergence (POST). These systems were also compared with commercial standards of metolachlor PRE fb bentazon plus acifluorfen POST or imazapic POST. Our data indicate that diclosulam PRE plus metolachlor PRE in conventional tillage peanut production usually controlled common lambsquarters, common ragweed, prickly sida, and entireleaf morningglory. But control of spurred anoda, goosegrass, ivyleaf morningglory, large crabgrass, and pitted morningglory by this system was inconsistent and may require additional POST herbicide treatments. Systems that included diclosulam plus metolachlor PRE consistently provided high yields and net returns.

Keywords

Acifluorfen, bentazon, diclosulam, imazapic, metolachlor; common lambsquarters, Chenopodium album L. #3 CHEAL; common ragweed, Ambrosia artemisiifolia L. # AMBEL; entireleaf morningglory, Ipomoea hederacea var. integruiscula Grey # IPOHG; goosegrass, Eleusine indica (L.) Gaertn. # ELEIN; ivyleaf morningglory, Ipomoea hederacea (L.) Jacq # IPOHE; large crabgrass, Digitaria sanguinalis L. Scop. # DIGSA; pitted morningglory, Ipomoea lacunosa L. # IPOLA; prickly sida, Sida spinosa L. # SIDSP; spurred anoda, Anoda cristata L. # ANVCR; peanut, Arachis hypogaea L. ‘NC 10C’, ‘NC 12C’Economic analysisfb, followed by; POST, postemergence; PPI, preplant incorporated; PRE, preemergence

Information

Type
Research
Information
Weed Technology , Volume 16 , Issue 4 , December 2002 , pp. 724 - 730
Copyright
Copyright © Weed Science Society of America 

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