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Common Agricultural Weeds
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Crabgrass
Digitaria spp. Highly adaptive and can quickly spread, creating dense mats that impede crop growth.
Russian Thistle
Salsola tragus. Known for tumbler weeds that spread their seeds over a wide area, it competes with crops for water.
Pigweed
Amaranthus spp. Competes fiercely with crops for light and nutrients, can emerge throughout the growing season.
Quackgrass
Elymus repens. Its strong root system competes with crops for nutrients and water, and can host crop diseases.
Horseweed
Conyza canadensis. Competes with crops and can be problematic due to its ability to produce large amounts of airborne seed.
Giant Foxtail
Setaria faberi. Competes with crops and has the potential to reduce harvest quality and equipment efficiency.
Cocklebur
Xanthium strumarium. Impedes harvest by tangling in equipment and can outcompete young crops.
Field Bindweed
Convolvulus arvensis. A vine that twines around crop plants, which can limit growth and access to sunlight.
Dandelion
Taraxacum officinale. Competes with crops for light, nutrients, and water, reducing yields.
Common Ragweed
Ambrosia artemisiifolia. Causes allelopathic effects and can reduce crop growth and productivity.
Prickly Lettuce
Lactuca serriola. Reduces crop yield through direct competition and is known to be a host for certain plant viruses.
Lamb's Quarters
Chenopodium album. Consumes significant amounts of water and nutrients, impacting crop performance.
Nutsedge
Cyperus spp. Difficult to control, can significantly reduce crop yields by competing for resources.
Canada Thistle
Cirsium arvense. Spreads aggressively and reduces crop yield by competing for water and nutrients.
Waterhemp
Amaranthus tuberculatus. A tall weed that competes for resources and can develop herbicide resistance.
Morning Glory
Ipomoea spp. Vine that wraps around crops, reducing plant vigor and yield.
Johnson Grass
Sorghum halepense. Forms dense stands that outcompete crops and are difficult to control.
Barnyard Grass
Echinochloa crus-galli. Aggressive growth can smother young crops, reduce yields, and contaminate harvests.
Velvetleaf
Abutilon theophrasti. Known for its rapid growth and severe competition with crops for resources.
Palmer Amaranth
Amaranthus palmeri. Extremely competitive weed that can drastically reduce yields and is resistant to multiple herbicides.
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