What Weeds Does Terbuthylazine Herbicide Target?
Terbuthylazine is a selective systemic triazine herbicide primarily absorbed through plant roots. It can be applied both pre-emergence and post-emergence, with a residual effect in the soil lasting between 3 to 10 weeks. So, what weeds does Terbuthylazine herbicide target? Let's find out.
What Weeds Does Terbuthylazine Herbicide Target?
Terbuthylazine is a selective systemic herbicide with a broad spectrum of weed control. It is effective against most annual broadleaf weeds and grasses. Terbuthylazine is particularly effective on newly germinated weeds. It can be used in cornfields to control annual broadleaf and grass weeds, with better efficacy against broadleaf weeds compared to grasses. However, it is less effective against perennial weeds.
Control Spectrum
Terbuthylazine herbicide is mainly used for pre-emergence and post-emergence control of various weeds in cornfields. It is also used in sorghum and can selectively control weeds in vineyards, orchards, citrus groves, coffee plantations, oil palms, olive groves, potatoes, peas, beans, sugarcane, rubber plantations, forestry nurseries, and newly planted areas. Compared to Atrazine, Terbuthylazine has a shorter residual period, a broader weed control spectrum, better crop safety, strong compatibility, no resistance with continuous use, and lower cost.
Application Methods
1. Cornfields
After sowing corn and before emergence, a mixture of acetochlor (metolachlor), atrazine (terbuthylazine, cyhalofop-butyl, s-metolachlor), and 2,4-D isooctyl ester can be used for soil sealing treatment. Additionally, mixtures of ethyl, atrazine, and octyl ester or ethyl and atrazine mixtures can be applied.
2. Wheat Fields
In wheat fields without straw cover, after sowing and before emergence, a mixture of acetochlor (metolachlor, metolachlor), atrazine (cyhalofop-butyl, terbuthylazine) can be used for soil sealing treatment. During the 3-5 leaf stage of corn, a mixture of nicosulfuron, mesotrione, atrazine, and metolachlor can be used for foliar spraying.
Precautions
Here are some important precautions to consider when using Terbuthylazine herbicide:
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Follow the Instructions: Always adhere to the manufacturer's instructions regarding dosage and application methods.
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Soil Moisture: Ensure the soil has adequate moisture before application to enhance herbicide effectiveness.
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Rotation Crops: Be cautious when rotating crops, as residual herbicide in the soil can affect subsequent crops.
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Avoid Overuse: Long-term use of the same herbicide can lead to the development of resistant weed populations. Rotate herbicides to prevent resistance.
Conclusion
Terbuthylazine herbicide is effective in controlling a wide range of weeds in crop fields, particularly annual broadleaf and grass weeds. Its use in cornfields and various other crops helps manage weed populations effectively. However, it is essential to follow proper application methods and precautions to ensure optimal results and prevent resistance.
