Amine fresh ester (DA-6) is a powerful plant growth regulator known for its broad-spectrum and highly effective performance. It enhances the activity of key enzymes like peroxidase and nitrate reductase, increases chlorophyll content, and accelerates photosynthesis. This compound promotes cell division and elongation, stimulates root development, and helps maintain nutrient balance within the plant, making it a valuable tool in modern agriculture.
1. **Fruit Preservation and Growth Enhancement**
Using amine fresh ester at concentrations of 8–15 mg/L during the seedling stage, early flowering, and after fruit set can significantly improve plant health. For tomatoes, eggplants, peppers, and other solanaceous crops, this leads to stronger seedlings, better disease resistance, higher flower and fruit retention, improved fruit quality, earlier maturity, and yields increased by 30% to 100%.
For cucumbers, melons, pumpkins, and other gourds, applying the same concentration during critical growth stages improves flower numbers, fruit setting rates, and overall fruit quality. The fruits become more uniform, colorful, and rich in dry matter, with harvest periods extended and yields rising by 20% to 40%.
Watermelons, cantaloupes, and strawberries benefit from similar applications, resulting in juicier fruits, higher sugar content, and increased weight per fruit. This also promotes earlier harvesting and greater productivity.
In apples and pears, DA-6 helps preserve flowers and fruits, leading to more even fruit size, better coloration, and higher yields. Citrus and oranges show improved fruit setting, smoother surfaces, and enhanced sweetness, along with better cold and disease resistance.
Longans and lychees respond well to DA-6, especially when sprayed during flowering, fruit set, and expansion phases. This results in higher fruit setting rates, thicker flesh, sweeter taste, and reduced seeds, all contributing to increased yield and earlier maturity.
Bananas see improved fruit production, more even fruit clusters, and faster maturation when treated with DA-6. Similarly, peaches, plums, grapes, and other fruits experience enhanced fruit set, faster growth, and better quality.
2. **Promoting Vegetative Growth**
Leafy vegetables such as spinach, lettuce, and kale benefit from DA-6 applications at 8–15 mg/L every 7–10 days. This leads to stronger plants, better stress resistance, and faster growth, with larger, greener leaves and thicker stems. Yields increase by 25% to 50%.
Onion and garlic crops also show improved growth and resilience when sprayed with DA-6 at regular intervals, resulting in earlier maturity and higher production.
3. **Enhancing Root and Tuber Development**
Root vegetables like radishes, carrots, and burdock benefit from soaking seeds or spraying during key growth stages. This leads to faster seedling growth, straighter roots, and improved quality, with yields increasing by 30% to 50%.
Potatoes and sweet potatoes also respond positively to DA-6, with larger, heavier tubers and earlier maturity.
4. **Improving Yield in Legumes and Other Crops**
Legumes such as green beans, peas, and lentils see improved pod formation and longer harvesting periods when treated with DA-6 at 8–15 mg/L during critical growth stages. This results in higher yields, typically between 25% and 40%.
This article was originally published on the **China Pesticide Network**, and we encourage you to cite the source when using this information.
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