Terbutryn, with the CAS number 886 - 50 - 0, is a well - known herbicide. This product is factory - supplied and is available at a low price, which makes it an attractive option for various users. Chemically, Terbutryn belongs to the triazine family. It has a molecular formula of C₁₀H₁₉N₅S and a molecular weight of approximately 241.35 g/mol. Physically, it appears as a white to light - yellow crystalline solid. It has a melting point in the range of 104 - 106°C and a boiling point that is relatively high, making it stable under normal environmental conditions. Its solubility in water is relatively low (about 15 mg/L at 20°C), but it is soluble in common organic solvents such as acetone, methanol, and dichloromethane.
Terbutryn is primarily used as a selective herbicide. It is highly effective in controlling a wide range of annual grasses and broad - leaved weeds in various crops. For example, it is commonly used in sugarcane fields to control weeds such as Digitaria sanguinalis and Chenopodium album. In vineyards, it helps in keeping the growth of weeds in check, which can otherwise compete with grapevines for nutrients, water, and sunlight. It can also be used in some cereal crops like wheat and barley to prevent weed infestations during the early growth stages of the crops. Additionally, Terbutryn can be used in non - crop areas such as industrial sites, railway embankments, and roadsides to manage weed growth and maintain a clean appearance.
Before using Terbutryn, it is essential to carefully read the product label and follow all the instructions provided. The application rate of Terbutryn depends on several factors, including the type of crop, the type and density of weeds, and the soil type. Generally, for pre - emergence applications in sugarcane fields, the recommended rate is around 1.5 - 2.5 kg per hectare. For post - emergence applications, the rate may be slightly lower, usually between 1 - 1.5 kg per hectare.
When applying Terbutryn, it is best to use a suitable sprayer. Ensure that the sprayer is clean and calibrated correctly to ensure an even distribution of the herbicide. The spray should be applied evenly over the target area. For best results, apply Terbutryn when the weather conditions are favorable, such as when there is no heavy rain expected within 24 hours after application. Also, avoid spraying in windy conditions to prevent drift to non - target areas.
Case 1: A sugarcane farm in Brazil had been facing severe weed problems, especially with Digitaria sanguinalis. The farmers decided to use Terbutryn for pre - emergence weed control. They applied Terbutryn at a rate of 2 kg per hectare using a tractor - mounted sprayer. After two weeks, they observed a significant reduction in weed growth. The sugarcane plants grew healthier and more vigorously, with an increased yield of about 15% compared to the previous year when no herbicide was used.
Case 2: A vineyard in France was struggling with weed competition that was affecting the quality of the grapes. The vineyard manager applied Terbutryn post - emergence at a rate of 1.2 kg per hectare. The herbicide effectively controlled the broad - leaved weeds such as Chenopodium album and Amaranthus retroflexus. As a result, the grapevines received more nutrients and sunlight, and the quality of the grapes improved, leading to a better - rated wine production that year.
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Este es William, CEO de Zhishang Chemical Co., Ltd.
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