Gardeners and homeowners most commonly encounter the troublemakers known as spiny pigweed, redroot pigweed ... These ...

However, since Palmer amaranth, redroot pigweed and waterhemp all fall into ... can help you identify Palmer amaranth: The terminal seed heads on female Palmer amaranth plants can grow up to ...

redroot pigweed, 117,400. If every weed seed germinated all weed seedlings could be killed with cultivation, but due to weed seed dormancy, seed depth, timing and soil compaction this does not occur.

Pigweed is capable of quickly becoming the dominant species in a field due to its high seed output, producing over 100,000 seeds per plant. A number of herbicides are effective on pigweed species if ...