| Among the more important ones are mistletoe, dodder, and witchweed. |
| The experiments indicate that a low-dose herbicide seed coating on resistant corn can increase yields up to four-fold in fields highly infested with witchweed. |
| I am no expert on those sorts of things nor on witchweed, snakeweed, and butterbur. |
| Citrus canker, gypsy moths, medflies, witchweed, and exotic animal and poultry diseases all have constituency-based programs. |
| Additionally, the project has shown the potential for using fungal pathogens to control other African weeds, including speargrass and witchweed. |
| The key to managing striga, also known as witchweed, is to use a variety of control methods at one time. |
