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Mesotrione is a selective herbicide used mainly in maize crops. [1] It is a synthetic compound inspired by the natural substance leptospermone found in the bottlebrush tree Callistemon citrinus . It inhibits the enzyme 4-hydroxyphenylpyruvate dioxygenase (HPPD) [ 3 ] and is sold under brand names including Callisto and Tenacity.
Dinitramine is a preëmergent dinitroaniline herbicide incorporated into soil to control weeds for months after. [2] [3] It is no longer approved in the U.S.A., and is not in the European Union, [4] though in Iran it has been used to control annual grasses and broadleaf weeds in cotton and soybeans, [5] as it was in the U.S. as of 1975, [6] where it was also used on sunflower.
It is a Group 1 / A / A herbicide, used in Australia, [4] Morocco and Europe. [1] Affected weeds show symptoms after 7 to 10 days, the base and inter-veins become yellow; new growth joints are weak. After 16 days, tips become yellow or red and the plant falls apart. [4] In animal tests, it has been shown not to cause cancer or reproductive ...
In the mid-1980s, scientists at Stauffer Chemical Company published patents to benzoyl-substituted cyclohexanediones which led to their product mesotrione. [3] This encouraged workers at Rhône-Poulenc to expand their own research into molecules with the same mode of action as these 4-hydroxyphenylpyruvate dioxygenase inhibitors .
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4-Hydroxyphenylpyruvate dioxygenase (HPPD) is an enzyme found in both plants and animals, which catalyzes the catabolism of the amino acid tyrosine. [4] Preventing the breakdown of tyrosine has three negative consequences: the excess of tyrosine stunts growth; the plant suffers oxidative damage due to lack of tocopherols (vitamin E); and ...
This is a list of herbicides.These are chemical compounds which have been registered as herbicides.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]
It's important to measure to make sure you have the right fit for your dog, since sizing labels can vary. Another Pet Helpful article offers these tips on how to properly measure to ensure Fido ...
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