A5068734331- Weed Control and Herbicide Applications
- Pesticide and Herbicide Environmental Studies
- Agronomic Practices and Intercropping Systems
- Legume Nitrogen Fixing Symbiosis
- Allelopathy and phytotoxic interactions
- Plant tissue culture and regeneration
Syngenta (United States)
2024
Kansas State University
2018-2019
Palmer amaranth has evolved target and nontarget site resistance to protoporphyrinogen oxidase-inhibitor herbicides in the United States. Recently, a population (KCTR) from long-term conservation tillage study Kansas was found be resistant six sites of action, including PPO-inhibitors, even with this herbicide group being minimally used field. This research investigated level postemergence target- nontarget-site mechanism(s), efficacy pre-emergence chemistries. The greenhouse experiments...
Abstract Successful pigweed management requires an integrated strategy to delay the development of resistance any single control tactic. Field trials were implemented during 2017 and 2018 in three counties Kansas on dryland (limited rainfall, nonirrigated), glufosinate-resistant soybean. The objective was assess with combinations a winter wheat cover crop (CC), soybean row widths (76, 38, 19 cm), row-crop cultivation 2.5 weeks after planting (WAP), herbicide program develop recommendations....
Core Ideas Palmer amaranth and common waterhemp are difficult to control weeds reduce yield in many crops. VLCFA inhibiting herbicides can provide excellent residual of waterhemp. labeled The highest rate herbicide should be used for the most Herbicides must as part an integrated weed management strategy. Field experiments were established 2015 2016 near Manhattan, Hutchinson, Ottawa, Kansas assess ( Amaranthus palmeri S. Watson) rudis Sauer) with very‐long‐chain fatty acid (VLCFA)...
Abstract Double-crop soybean after winter wheat is a component of many cropping systems across eastern and central Kansas. Until recently, control Palmer amaranth common waterhemp has been both easy economical with the use sequential applications glyphosate in glyphosate-resistant soybean. Many populations have become resistant to glyphosate. During 2015 2016, total five field experiments were conducted near Manhattan, Hutchinson, Ottawa, KS, assess various non-glyphosate herbicide programs...
Abstract Pigweed is difficult to manage in grain sorghum because of widespread herbicide resistance, a limited number registered effective herbicides, and the synchronous emergence pigweed with Kansas. The combination cultural mechanical control tactics an program are commonly recognized as best management strategies; however, information available adapt these strategies dryland systems. Our objective for this research was assess influence four components, including winter wheat cover crop...
Abstract Double-crop grain sorghum after winter wheat harvest is a common cropping system in the southern plains region. Palmer amaranth troublesome weed double-crop Kansas. Populations resistant to various herbicides (e.g., atrazine, glyphosate, metsulfuron, pyrasulfotole) have made management even more difficult for producers. To evaluate control of atrazine-resistant and atrazine-susceptible sorghum, we assessed 14 herbicide programs, which 8 were PRE only 6 followed by (fb) POST...