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As of 2005, 87% of U.S. soybean fields were planted with glyphosate resistant varieties. [ 7 ] [ 8 ] While the use of Roundup Ready crops has increased the usage of herbicides measured in pounds applied per acre, [ 9 ] it has also changed the herbicide use profile away from atrazine , metribuzin , and alachlor [ citation needed ] which are more ...
27 records of plants. Origin Africa. This species' phanerogam has the highest cobalt content. Its distribution could be governed by cobalt rather than copper. [36] [1]: 891 [33] Cu: Helianthus annuus: Sunflower: Phytoextraction with rhizofiltration [1]: 898 [33] Cu: 1000: Larrea tridentata: Creosote Bush: 67 records of plants. Origin U.S. [1 ...
Increased concerns for resistance with seed mixtures include partially resistant larvae on a Bt plant being able to move to a susceptible plant to survive or cross pollination of refuge pollen on to Bt plants that can lower the amount of Bt expressed in kernels for ear feeding insects. [220] [221]
Plant diseases can also be partially controlled by use of pesticides and by cultivation practices such as crop rotation, tillage, planting density, disease-free seeds and cleaning of equipment, but plant varieties with inherent (genetically determined) disease resistance are generally preferred. [2]
The names on the list are the ISO common name for the active ingredient which is formulated into the branded product sold to end-users. [1] The University of Hertfordshire maintains a database of the chemical and biological properties of these materials, [2] including their brand names and the countries and dates where and when they have been ...
Monsanto's introduction of this system (planting a glyphosate-resistant seed and then applying glyphosate once plants emerged) allowed farmers to increase yield by planting rows closer together. [116] Without it, farmers had to plant rows far enough apart to allow the control of post-emergent weeds with mechanical tillage. [116]
In addition, chemical compatibility refers to the container material being acceptable to store the chemical or for a tool or object that comes in contact with a chemical to not degrade. For example, when stirring a chemical, the stirrer must be stable in the chemical that is being stirred. Many companies publish chemical resistance charts.
The names on the list are the ISO common name for the active ingredient which is formulated into the branded product sold to end-users. [1] The University of Hertfordshire maintains a database of the chemical and biological properties of these materials, [2] including their brand names and the countries and dates where and when they have been ...