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S-Ethyl dipropylthiocarbamate (EPTC) is a selective herbicide used for pre-emergent control of certain grasses and broadleaf weeds in Australia and the United States. [3] [4] It was introduced in 1957. [5] EPTC can be applied pre-emergently or post-emergently and its effectiveness does not depend on post-application rainfall.
By far the most frequently used products are formulations for mixing with water then applying as sprays. Water miscible, older formulations include: EC Emulsifiable concentrate; WP Wettable powder; SL Soluble (liquid) concentrate; SP Soluble powder; Newer, non-powdery formulations with reduced or no use of hazardous solvents and improved ...
Nufarm is an Australian agricultural chemical company headquartered in Melbourne, Australia.Established in 1956, the company was founded by Max Fremder. It holds more than 2,100 product registrations, and markets products in more than 100 countries around the world.
To prevent growth of crabgrass, preemergent herbicides must be applied at a critical time. If they are applied to the soil too early, they get washed too deep into the soil or washed away by rainwater. If they are applied too late, the key enzyme inhibited is no longer active. The best control requires a second application about 6–8 weeks later.
[32] [33] Paraquat is a Group L (Aus), D (global), 22 (numeric) resistance class herbicide, which it shares with diquat and cyperquat. [34] One example is the "double knock" system used in Australia. [35] Before planting a crop, weeds are sprayed with glyphosate first, then followed seven to ten days later by a paraquat herbicide.
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By 1993 a patent claiming specific ester derivatives including butafenacil was published. [6] This was developed for the market under the code number CGA276854 and launched in 2001. [ 1 ] [ 7 ] By that time, further mergers in the industry meant that the product was supplied by Syngenta [ 8 ] with brand names including B Power.
Prosulfocarb is a pre-emergent herbicide used agriculturally in Australia, the EU, Japan, New Zealand, (since 2020), Morocco and Iran, for control of annual ryegrass and toad rush in wheat and barley crops. [4] [5] [6] [3] It was introduced to the EU in 1988 and is rapidly growing in use, with sales increasing by over 500% in France since 2008. [7]