Diclosulam: a new pre-emergence herbicide to substitute for atrazine in sugarcane
| MSI07P4241 | |
| Barbe, C. Seeruttun, S. Gaungoo, A. | |
| Diclosulam: a new pre-emergence herbicide to substitute for atrazine in sugarcane | |
| Programme, Abstracts and List of participants. ISSCT Agronomy workshop: Integrated agronomic practices to improve/sustain cane productivity, 22-26 May 2006, Sofitel Raja Orchid Hotel, Khon Kaen, Thailand. | |
| book chapter | |
| 2006 | |
| p. 39 | |
| En | |
| En | |
| Atrazine has been used continuously over the past 40 years for pre-emergence control of broad-leafed weeds in sugar cane in Mauritius. Alternatives to atrazine are being tested, as several cases of weed resistance to this herbicide and contamination of underground water have been reported in the literature. Diclosulam (trade name Strongarm), is a new acetolactase synthase enzyme (ALS) inhibitor and has been evaluated at rates varying between 0.06 and 0.25 kg a.i. ha-1 for general weed control in sugar cane. In initial trials, diclosulam, at rates above 0.15 kg a.i. ha-1, provided a broad spectrum of control, including for some annual grasses, and a residual activity over 16 weeks after spraying (WAS). However, at these rates, it caused an adverse effect on cane growth. Subsequent trials, in plant and ratoon cane, revealed that diclosulam, at rates varying between 0.06 and 0.08 kg a.i. ha-1, was more effective than atrazine at 4.0 kg a.i. ha-1 12-16 WAS and was well tolerated by sugar cane. Furthermore, tank-mixes of diclosulam with grass herbicides such as acetochlor, oxyfluorfen, tebuthiuron and hexazinone proved to be superior to atrazine with the same partners. In post-emergence situations, tank-mixing diclosulam with 2,4-D amine salt did not show any additional synergistic effect over atrazine. Diclosulam at 0.06 and 0.08 kg a.i. ha-1 has been recommended as a substitute to atrazine in all standard tank-mixes. | |
| sugarcane weed control atrazine diclosulam herbicides tank mixes | |
| Mauritius | |
| Sugarcane: Weeds, weed control and management | |
| Herbicides | |
| 2007-02-23 | |
| En | |
| LST | |
| CoWA |