Weed control and Response to Several Herbicide on Grain Sorghum Authors: Jaebok-Hwang1, Kiyeonl-Jung1, Youngdae-Choi1, Yeolsoo Yun1,Jongnae-Hyun1, In-seok Oh1. 1Department of Functional Crop, National Institute of Crop Science, RDA. Korea. There no preplant incorporated herbicides, registered for weed control in sorghum in Korea. Field trails were conducted at two locations in 2013 to evaluate tolerance of sorghum to soil treatment applications of methabenzthiazuron(1575 and 3150g ai/ha), simazine(750 and 1500g ai/ha), dimethenamid-P+pendimethalin (750 and 1500g ai/ha), and oxadiargyl(51 and 102g ai/ha). Methabenzthiazuron decreased plant height up to 74%, yield as much as 91%. Simazine decreased plant height up to 87%, yield as much as 88%. Dimethenamid-P+pendimethalin decreased plant height up to 80%, yield as much as 70%. Dimethenamid-P+pendimethalin is a herbicide used for preemergence weed control in corn. Oxadiargyl decreased plant height up to 92%, yield as much as 62%. There was no effect on plant height.These injuries were transient and had a little effect on yield. Based on these results, only the low rate of methabenzthiazuron have potential for weed management in sorghum.

Weed control and response to several herbicide on grain Sorghum

248th National Meeting (2014)

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