Field Day–Evaluating Low Rates of Roundup Promax on Goosegrass Control

To: Golf Course & Landscape Industries
From: Norman M. Nagata, Extension Agent

An herbicide test using low rates of Roundup Promax was conducted on goosegrass that exhibited resistance to Revolver, MSMS, and Sencor at Waiehu Municipal Golf Course. You are invited to a field day to see these results at 13 weeks after treatment.

Date: July 30, 2010 (Friday)
Time: 10:45 am to 12:00 pm
Meet at Waiehu Golf Course “Service Entrance” (6th tee) next to Waiehu Beach Park & Baseball Field located at the end of “Lower Waiehu Beach Road” at 10:45 am. We will then car-pool to the test site at the 17th tee.


  • 11:00 – 11:15 am Overview of goosegrass control
  • 11:15 – 11:35 Roundup Promax & experimental protocol
  • 11:35 – 12:00 pm Observe & discuss Roundup results on goosegrass & common bermudagrass

Recertification credits will be offered for:

  • Hawaii Dept. of Agriculture Pesticide categories 1a, 3, 6 & 10
  • Golf Course Superintendents Assoc. of America

Deadline to register (and to apply for recertification credits) is July 29 (Thursday).

You can register by contacting or by calling the Cooperative Extension Service at 244-3242 x230. Please provide your name, company & telephone number should there be any changes on this field day.

This project was partially supported by Monsanto Company and the County of Maui.

Mahalo to Ron Kubo, Superintendent at Waiehu Golf Course for making this test possible.

Leave a Reply

Your email address will not be published. Required fields are marked *

This site uses Akismet to reduce spam. Learn how your comment data is processed.