Jump to Main Content
- Marshall, Michael W., et al. Show all 3 Authors
- Weed science 2001 v.49 no.1 pp. 14-21
- Helianthus annuus; biotypes; developmental stages; gene flow; greenhouses; imazethapyr; leaf area; photosynthesis; planting; pollen; progeny; weed science; wind direction; Kansas
- ... This study was conducted to ascertain movement potential of imazethapyr resistance and to measure the relative growth and productivity of imazethapyr-resistant (IR) and imazethapyr-susceptible (IS) biotypes of common sunflower under noncompetitive and competitive conditions. Susceptible biotypes of common sunflower were planted in the field in concentric circles at distances of 5.5, 8.0, 15.0, and ...