Except where otherwise noted, data are given for materials in their standard state (at 25 °C [77 °F], 100 kPa).
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Chemical compound
Picloram is a systemic herbicide used for general woody plant control. It also controls a wide range of broad-leaved weeds, but most grasses are resistant.[3] A chlorinated derivative of picolinic acid, picloram is in the pyridine family of herbicides.
Picloram can be sprayed on foliage, injected into plants, applied to cut surfaces, or placed at the base of the plant where it will leach to the roots. Once absorbed by the foliage, stem, or roots, picloram is transported throughout the plant.
Herbicides containing picloram are sold under a variety of brand names. Dow Chemicals and now Dow AgroSciences sell herbicides containing it under the brand name Tordon.[4]
During the Vietnam War, picloram and other herbicides were combined to make Agent White (commercially available as Tordon 101) and enhanced Agent Orange, which was previously conducted by the British military during the Malayan Emergency. Large quantities of these herbicides were sprayed by U.S. forces in areas where they considered its long-term persistence desirable, such as inland forests.[5]
^ abcdefgNIOSH Pocket Guide to Chemical Hazards. "#0514". National Institute for Occupational Safety and Health (NIOSH).
^"Picloram".
^Picloram Pesticide Information Profile, Pesticide Management Education Program, Cornell University.
^Stanley A. Greene (2005). Sittig's Handbook of Pesticides and Agricultural Chemicals. William Andrew. p. 717. ISBN 978-0-8155-1903-4.
^Committee to Review the Health Effects in Vietnam Veterans of Exposure to Herbicides; Institute of Medicine (1994). Veterans and Agent Orange: Health Effects of Herbicides Used in Vietnam. National Academies Press. pp. 89–90. ISBN 978-0-309-55619-4.
Picloram is a systemic herbicide used for general woody plant control. It also controls a wide range of broad-leaved weeds, but most grasses are resistant...
so-called "rainbow herbicides". Agent White is a 4:1 mixture of 2,4-D and picloram. Agent White did not contain dioxin, which was a contaminant in some herbicide...
cooperative project with the International Rubber Research Institute. Picloram in Agent White and Super-Orange was contaminated by hexachlorobenzene (HCB)...
indoleacetic acid (IAA). This family includes MCPA, 2,4-D, and 2,4,5-T, picloram, dicamba, clopyralid, and triclopyr. Using the Weed Science Society of...
professor of horticulture at the Hebrew University. While working with the picloram hormone in a citrus orchard, he unexpectedly discovered that some of the...
picolinic acid family of herbicides, which also includes aminopyralid, picloram, triclopyr, and several less common herbicides. For control of creeping...
with a different trial each year: picloram salt, triclopyr ester, triclopyr salt, glyphosate, diesel fuel, and picloram and metsulfuron. The herbicide was...
includes quinclorac derivatives of pyridinecarboxylic acids, which includes picloram, triclopyr, clopyralid phenoxyacetic acid, phenoxypropionic acid, and phenoxybutyric...
dicamba, diflufenzopyr + dicamba, picloram, and triclopyr + clopyralid for the Pacific Northwest of North America. Picloram + 2,4-D, low volatile ester 2...
with herbicides. Some common herbicides used are picloram and triclopyr; the most effective are picloram and tebuthiuron. However, chemical treatments are...
Brazilian pepper: Triclopyr, using the basal bark method; and glyphosate. Picloram can be used if the stump has been freshly cut, but this is neither the...
post-emergence control, including 2,4-D, aminopyralid, clopyralid, dicamba, picloram and triclopyr. In California, aminopyralid, which has both post- and preemergence...
picolinic acid family of herbicides including aminopyralid, clopyralid, and picloram (marketed in the US as Milestone and Grazon-) can pass through a horse’s...
Other herbicides usually recommended for this species are 2,4-D, dicamba, picloram, quinclorac and paraquat. In one of the tales collected by Jacob and Wilhelm...
Effective herbicides for control of Hypericum perforatum include 2,4-D, picloram, metsulfuron, and glyphosate. Insect herbivores have also been introduced...
management. Therefore, several years of re-treatment may be necessary. Picloram, dicamba, 2,4-D, dicamba + 2,4,-D, and metsulfuron are effective for controlling...
the picolinic acid family of herbicides, which also includes clopyralid, picloram, triclopyr, and several less common herbicides. It was first registered...
of soil. A systemic herbicide, for example, glyphosate, triclopyr, or picloram, can be applied directly on cut stems, which is an effective means of transporting...
and long-term monitoring of infested areas is required. Triclopyr and picloram and their derivatives have been found to be effective chemical means of...
(×Triticosecale Wittm.) by means of crosses with maize (Zea mays L.) using picloram and dicamba". Plant Breeding. 117 (3): 211–215. doi:10.1111/j.1439-0523...
proposed allowing 21 herbicides within the forest, including dicamba, picloram and aminocyclopyrachlor (ACP). Dicamba is a threat to monarch butterfly...
clopyralid + 2,4-Dichlorophenoxyacetic acid, dicamba, diflufenzopyr + dicamba, picloram, and triclopyr + clopyralid for the Pacific Northwest of North America...
also called DOW Herbicide M-3393, was Agent Orange that was mixed with picloram. Super Orange was known to have been tested by representatives from Fort...
over 2 years or more to fully decay. There are 4 persistent herbicides: Picloram - Sold as Graslan™, Grazon®, Surmount®, and Tordon® Clopyralid - Sold as...
with a variety of products, including clopyralid, glyphosate, Diquat, Picloram, and 2, 4-D ester. However, caution must be exercised when using these...
herbicide treatments of 2,4-D/aminopyralid, aminopyralid/metsulfuron, and picloram/2,4-D all had very effective reduction when treated at the month of October...
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