Southern Research Station

Title: Formulation, Rate and Season and Application Effects of Hexazinone (Velpar) Gridball on Oak Topkill

Author: Michael, J.L.

Date: 1980

Source: Proc. South. Weed Sci. Soc. 33:110-113. 1980

Description: Hexazinone [3-cyclohexyl-6-(dimethylamino)-1-methyl-l,3,5-triazine-2,4(1H,2H)-dione] gridball was tested for site preparation on a loamy sand soil. The gridball was applied in the 1 and 2 cc formulations at 0.56, 0.84 and 1.12 kg ai/ha in a completel~y randomized design with three replications in April, June, and August 1978. After two growing seasons the 1 cc gridball had a slight performance advantage over the 2 cc gridball for the April application, but overall oak (Quercus sp.) topkill from the 1 cc gridball was not significantly different from topkill caused by the 2 cc gridball. Only the highest rate applied approached the minimum acceptable topkill level of 80%. The April and June applications gave similar results, and both were better than the August application. The Alabama 24-C label probably needs to be changed to allow higher application rates for site preparation on loamy sand soils.

Keywords: 

View and Print this Publication (53 KB)

Pristine Version:  An uncaptured or "pristine" version of this publication is available. It has not been subjected to OCR (Optical Character Recognition) and therefore does not have any errors in the text. However it is a larger file size and some people may experience long download times. The "pristine" version of this publication is available here:

View and Print the PRISTINE copy of this Publication (239 KB)

Publication Notes: 

• We recommend that you also print this page and attach it to the printout of the article, to retain the full citation information.
• This article was written and prepared by U.S. Government employees on official time, and is therefore in the public domain.

 Get the latest version of the Adobe Acrobat reader or Acrobat Reader for Windows with Search and Accessibility

Citation

Michael, J.L.  1980.  Formulation, Rate and Season and Application Effects of Hexazinone (Velpar) Gridball on Oak Topkill.   Proc. South. Weed Sci. Soc. 33:110-113. 1980