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 pesticides that require strict application guidelines, including timing, dosage, and method of use. They must be used according to the manufacturer's instructions, as improper usage can lead to negative consequences. These regulators typically show clear and stable effects, with less sensitivity to environmental conditions, which makes them widely adopted and easily accepted by farmers. They are synthetic organic compounds that mimic natural plant hormones. Depending on their effect on crops, they can be categorized into two main types: (1) growth promoters, such as Gibberellin (920), 802, and Ethephon; and (2) growth inhibitors, like Paclobutrazol, Chlormequat, and Cycocel.
According to the Pesticide Network, plant growth agents, also known as plant nutrients or liquid fertilizers, are nutrient-based products made by combining large amounts of nitrogen, phosphorus, potassium, as well as essential micronutrients like iron, zinc, manganese, boron, and copper. These agents are usually absorbed through the roots or applied as foliar sprays to provide essential nutrients directly to the leaves. They help promote crop growth and development. However, their effectiveness can vary greatly depending on environmental conditions, crop type, and field management practices. As a result, they are more sensitive and less predictable in performance compared to growth regulators. Therefore, careful consideration and proper application techniques are crucial when using them.
In summary, while both plant growth regulators and plant growth agents play important roles in agriculture, they differ significantly in their composition, application methods, and response to environmental factors. Understanding these differences can help farmers make better decisions and achieve more effective results in crop management.
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