Precise identification of weed species will contribute to automatic ... when they were at the growth stage of two to nine leaves (BBCH 12–19). Pictures of pigweed at seedling stage, three-leaves stage ...
Palmer amaranth (Amaranthus palmeri S. Watson), morningglory (Ipomoea spp.), sicklepod (Senna obtusifolia L.), and large crabgrass (Digitaria sanguinalis L.) are among the most troublesome weeds ...
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