Ha, Hong Cam (2022) The Effect Of Sulfentrazone And Glyphosate Herbicides To Control Eleusine indica L. A Resistant Weed To Herbicide. Masters thesis, Universitas Andalas.
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Abstract
Eleusine indica L. is a common weed in most plant cultivation, especially in Oil palm plantations. Using herbicides is an effective method in controlling weeds; however, the overuse of the herbicides in general or Glyphosate in particular with the application of the same mechanism of action or the same active ingredient for a continuous long time which leads to the weeds can hardly be controlled by the herbicide or become resistant to the herbicide. Sulfentrazone is used as an alternative herbicide for the management of resistant weeds. This study aimed to determine the effects of two active ingredients, Glyphosate and Sulfentrazone, on weed resistance to herbicides. The study was conducted using Completely Randomly Designed (CRD) with 14 treatments and three replications. The results showed significantly different effects between treatments on resistant weeds. When used in combination, Glyphosate and Sulfentrazone showed 100% effectiveness in eradicating resistant weeds, with the dose being 2L/ha + 500 mL/ha and 2L + 750 mL/ha, respectively. For a single active ingredient, Glyphosate controlled weed at the 4-leaf stage with a dose of 2 L/ha, but 6-8 leaf weeds, after three weeks of treatment, still survived. Sulfentrazone effectively affected the 4-leaf stage weed with doses of 500 mL/ha and 750 mL/ha 2 weeks after spraying and on the 6-leaf stage with doses of 1000 mL/ha and 1250 mL/ ha. Like Glyphosate, Sulfentrazone could not wholly control resistant weeds at the 8-leaf stage.
| Item Type: | Thesis (Masters) |
|---|---|
| Primary Supervisor: | Prof. Ir. Ardi, M.Sc |
| Uncontrolled Keywords: | Eleusine indica L., resistant weed, Glyphosate, Sulfentrazone, herbicide. |
| Subjects: | S Agriculture > S Agriculture (General) |
| Divisions: | Pascasarjana (S2) |
| Depositing User: | s2 agronomi agronomi |
| Date Deposited: | 02 Sep 2022 02:41 |
| Last Modified: | 02 Sep 2022 02:41 |
| URI: | http://scholar.unand.ac.id/id/eprint/112264 |
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