An ultrasonic system for weed detection in cereal crops. (57/86)

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Prevalence of sensitization to weed pollens of Humulus scandens, Artemisia vulgaris, and Ambrosia artemisiifolia in northern China. (58/86)

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A study of weeds as potential inoculum sources for a tomato-infecting begomovirus in central Brazil. (59/86)

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Key role for a glutathione transferase in multiple-herbicide resistance in grass weeds. (60/86)

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Camera sensor arrangement for crop/weed detection accuracy in agronomic images. (61/86)

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The use of bio-guided fractionation to explore the use of leftover biomass in Dutch flower bulb production as allelochemicals against weeds. (62/86)

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Quantitative trait locus and haplotype analyses of wild and crop-mimic traits in U.S. weedy rice. (63/86)

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Comparative analyses of plastid sequences between native and introduced populations of aquatic weeds Elodea canadensis and E. nuttallii. (64/86)

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