The Chinese Pesticide Net Xiaobian will briefly explain the differences between plant growth regulators and plant growth agents for your reference:
Plant growth regulators are a type of pesticide that require strict usage guidelines, including timing, dosage, and application method. They must be used according to the instructions, as improper use can lead to negative consequences. Their effects are usually noticeable and stable, and they are less influenced by environmental conditions, which makes them widely adopted and easily accepted by farmers. These substances are synthetic organic compounds that mimic natural plant hormones. Depending on their effect on crops, they can be divided into two main categories: (1) growth promoters, such as 920, 802, and ethephon; and (2) growth inhibitors, like paclobutrazol, chlormequat, and mepiquat chloride.
According to the Pesticide Network, plant growth agents are actually fertilizers, also known as plant nutrients or liquid compound fertilizers. They are made by combining large amounts of nitrogen, phosphorus, potassium, along with trace elements like iron, zinc, manganese, boron, and copper. Most of these products are absorbed through the roots, though some are applied as foliar sprays to supplement nutrients directly through the leaves. They help promote crop growth and development. However, unlike plant growth regulators, growth agents are more sensitive to environmental factors, crop conditions, and field management practices, making their results less consistent. Therefore, it's important to use them carefully and follow recommended guidelines.
Understanding the difference between these two types of products is crucial for effective and safe crop management. While plant growth regulators offer more predictable results, growth agents provide essential nutrients that support overall plant health. Choosing the right product based on specific needs can greatly improve agricultural outcomes.
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