1989
DOI: 10.1017/s0890037x0003195x
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Response of Sugarcane (Saccharumsp.) Cultivars to Preemergence Herbicides

Abstract: The potential diversity in tolerance of eight commercial sugarcane cultivars to metribuzin, terbacil, and hexazinone was investigated. Herbicides were applied preemergence in the fall after planting and postemergence to the crop in the spring each year over the 3-yr crop cycle. Reductions in shoot counts and heights were not observed with any of the herbicide treatments in the fall following planting. Cultivar differences in growth and yield responses were obtained, particularly in the plant cane year of the 3… Show more

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Cited by 14 publications
(16 citation statements)
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“…Because of its perennial nature, sugarcane exposed to paraquat may recover fairly rapidly, but there is no information on how this might affect crop yield. Research has shown that postemergence herbicides applied to sugarcane as it is emerging from the winter dormant period in March and April can cause injury without affecting yield (Richard 1989;Viator et al 2002b). However, none of the herbicides evaluated have been nonselective contact herbicides like paraquat (Anonymous 2003;Williams et al 2002).…”
Section: Introductionmentioning
confidence: 99%
“…Because of its perennial nature, sugarcane exposed to paraquat may recover fairly rapidly, but there is no information on how this might affect crop yield. Research has shown that postemergence herbicides applied to sugarcane as it is emerging from the winter dormant period in March and April can cause injury without affecting yield (Richard 1989;Viator et al 2002b). However, none of the herbicides evaluated have been nonselective contact herbicides like paraquat (Anonymous 2003;Williams et al 2002).…”
Section: Introductionmentioning
confidence: 99%
“…Because injury symptoms were infrequent and inconsistent, no injury ratings were made following the after-planting treatments. As suggested by Richard (1989), little effect on shoot emergence from PRE herbicides applied at planting should be expected because emerging sugarcane depends primarily on the parent stalk for nutrients. In addition, because sugarcane emerges from below the herbicide-treated zone, absorption of herbicides through emerging shoots would be limited.…”
Section: Resultsmentioning
confidence: 99%
“…Several studies conducted in Louisiana have documented the variety-dependent sensitivity of sugarcane to herbicides when applied in March/April. Richard (1989) observed more rapid recovery with varieties 'CP ' after hexazinone and terbacil treatments POST. Millhollon (1980) reported greater reductions in both sugarcane yield and sugar production following March/ April hexazinone application with the varieties CP 65-357, CP 48-103, and 'NCo 310' than with other commercial varieties.…”
Section: Introductionmentioning
confidence: 83%
“…However, the extent of potential injury across commonly planted sugarcane cultivars and the effects of application timing have not been reported. Previous studies also have shown differential tolerance of sugarcane cultivars to many herbicides including hexazinone, terbacil, and azafenidin (Richard 1989;Viator et al 2002b). Therefore, experiments were conducted to evaluate sugarcane varietal tolerance to flumioxazin applied PRE and POST at various timings in plant-cane (first production year) and first-ratoon (second production year) crops.…”
Section: Introductionmentioning
confidence: 93%