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The state motto and seal have been official since Virginia declared its independence from the Kingdom of Great Britain. Virginia is one of only two states (the other being Mississippi with the Magnolia) to have the same plant for state flower and state tree, the Flowering Dogwood. [1] Most of the symbols were made official in the late 20th century.
The northern cardinal is the state bird of seven states, followed by the western meadowlark as the state bird of six states. The District of Columbia designated a district bird in 1938. [ 4 ] Of the five inhabited territories of the United States , American Samoa and Puerto Rico are the only ones without territorial birds.
Common insecticides used for control of Stewart's wilt are clothianidin, imidacloprid and thiamethoxam. These insecticides are most effectively used at rates of 1.25 (mg ai/kernel), with clothianidin being the most effective at that rate. Application rates on the labels may vary a little, so follow the label rates for each insecticide. [15]
Mexican Brand Insect Fluid, "Under the Insecticide Act of 1910" The Federal Insecticide Act (FIA) of 1910 was the first pesticide legislation enacted. [2] This legislation ensured quality pesticides by protecting farmers and consumers from fraudulent and/or adulterated products by manufacturers and distributors.
Imidacloprid is one of the most widely used insecticide in the world. [4] [5] [6] Its major uses include: Seed treatment – Imidacloprid is a popular seed treatment insecticide in the world [8] Agriculture – Control of aphids, cane beetles, thrips, [16] stink bugs, locusts, and a variety of other insects that damage crops
With wingspans of 1.5–1.8 meters (almost 6 feet), the turkeys are the largest birds in the open forests in which they live and are rarely mistaken for any other species. One species has been recorded in Virginia. Grouse inhabit temperate and subarctic regions of the Northern Hemisphere. They are game and are sometimes hunted for food. In all ...
Its effect on corn yields has been estimated from 1% to 8%, with 3–4% being the conclusion of one economics review. [ 22 ] [ 23 ] In another study looking at combined data from 236 university corn field trials from 1986 to 2005, atrazine treatments showed an average increase of 5.7 US bushels per acre (0.50 m 3 /ha) (~400 kilograms per ...
The U.S. EPA said in the 2003 Interim Reregistration Eligibility Decision, "The total or national economic impact resulting from the loss of atrazine to control grass and broadleaf weeds in corn, sorghum and sugarcane would be in excess of $2 billion per year if atrazine were unavailable to growers." In the same report, it added the "yield loss ...