. Agricultural plant pest control : a study manual for commercial and governmental pesticide applicators . Weeds; Pests. gureII-1. common milk- weed seed is readily carried by the wind. ??? Wild and domestic animals also aid in the dispersal of seed. The viability of most weed seeds is unaffected by passage through the digestive tracts of animals. Many weeds, such as cocklebur, sandbur, and beggar-ticks, have awns or hooks on the seeds that attach to the hair (Figure 11-3). **** Planting contaminated small grain, legumes, or grass seed is another way to spread weeds (Figure II-4). Farmers then
. Agricultural plant pest control : a study manual for commercial and governmental pesticide applicators . Weeds; Pests. gureII-1. common milk- weed seed is readily carried by the wind. ??? Wild and domestic animals also aid in the dispersal of seed. The viability of most weed seeds is unaffected by passage through the digestive tracts of animals. Many weeds, such as cocklebur, sandbur, and beggar-ticks, have awns or hooks on the seeds that attach to the hair (Figure 11-3). **** Planting contaminated small grain, legumes, or grass seed is another way to spread weeds (Figure II-4). Farmers then plant weeds with the crop seed, often giving the seed a competitive advantage. The planting of certified seed may help prevent the spread of weeds. Mechani- cal seed cleaning can also remove weed seeds fi-om grain prior to Please note that these images are extracted from scanned page images that may have been digitally enhanced for readability - coloration and appearance of these illustrations may not perfectly resemble the original Montana. Dept. of Agriculture; Hinck, Laura; Johnson, Kim; Mullin, Barbara H; Montana. Agricultural Sciences Division. Helena, Mont. : Montana Department of Agriculture
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Keywords: ., bhlco, bookcentury1900, bookcollectionamericana, booksubjectweeds
