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2. Roundup (herbicide) - Wikipedia

   en.wikipedia.org/wiki/Roundup_(herbicide)

   In the United States, use of Roundup experienced rapid growth following the commercial introduction of a glyphosate-resistant soybean in 1996. [75] "Roundup Ready" became Monsanto's trademark for its patented line of crop seeds that are resistant to Roundup. Between 1990 and 1996 sales of Roundup increased around 20% per year. [76]

3. Pesticide application - Wikipedia

   en.wikipedia.org/wiki/Pesticide_application

   A manual backpack-type sprayer Space treatment against mosquitoes using a thermal fogger Grubbs Vocational College students spraying Irish potatoes. Pesticide application is the practical way in which pesticides (including herbicides, fungicides, insecticides, or nematode control agents) are delivered to their biological targets (e.g. pest organism, crop or other plant).

4. Roundup Ready - Wikipedia

   en.wikipedia.org/wiki/Roundup_Ready

   Roundup Ready crops have both: Yield drag due to the modification itself interfering with yield production; and yield lag due to the delay in breeding the best new yield genetics into the RR lines. [20] Because this kind of testing is done under artificial conditions, these results do not hold for actual field conditions with weed pressure. [20]

5. Spray (liquid drop) - Wikipedia

   en.wikipedia.org/wiki/Spray_(liquid_drop)

   Herbicides, insecticides and pesticides are spray applied to soil or plant foliage to distribute and disperse these materials. See aerial application, pesticide application, sprayer. The control of spray characteristics is critical to provide the coverage of foliage and to minimize off target drifting of the spray to adjacent areas. (pesticide ...

6. Sprayer - Wikipedia

   en.wikipedia.org/wiki/Sprayer

   Aerial video of a sprayer (unfolding and driving) A sprayer is a device used to spray a liquid, where sprayers are commonly used for projection of water, weed killers, crop performance materials, pest maintenance chemicals, as well as manufacturing and production line ingredients.

7. Pesticide resistance - Wikipedia

   en.wikipedia.org/wiki/Pesticide_resistance

   A 2013 Missouri survey showed that multiply-resistant weeds had spread. 43% of the sampled weed populations were resistant to two different herbicides, 6% to three and 0.5% to four. In Iowa a survey revealed dual resistance in 89% of waterhemp populations, 25% resistant to three and 10% resistant to five. [7] Resistance increases pesticide costs.