1. Inappropriate selection of smoke agents can lead to phytotoxicity if the product is not suitable for the intended crop or application area. Different types of smoke agents are designed for specific uses, and using them outside their recommended scope may cause harm. For example, smoke agents containing dichloronaphthylquinone can be harmful to strawberries, while dichlorvos may cause pesticide damage to legumes and melon seedlings. It's important to always follow the manufacturer's guidelines and avoid overuse. 2. The amount of smoke agent used should be based on the size of the space being treated. Some products specify usage based on the area, but smaller structures like short-span greenhouses or small arch houses are more prone to phytotoxicity due to limited air circulation. This can result in high concentrations of active ingredients remaining in the air, which may damage sensitive plants. Always ensure proper ventilation after application. 3. Improper placement of smoke points can also contribute to phytotoxicity. When using powdered smoke agents, placing too few smoke points or using excessive amounts in a small area can create localized hotspots with dangerously high concentrations. This can lead to leaf burn or other forms of plant injury. It's best to distribute smoke points evenly and follow the recommended dosage per square meter. 4. High temperatures during application can increase the risk of phytotoxicity, as heat can accelerate the release of active ingredients and make plants more susceptible to damage. To reduce this risk, it's advisable to apply smoke agents in the evening after sunset when temperatures are cooler. This helps prevent rapid evaporation and minimizes the chance of chemical burns on plant surfaces. 5. Additionally, it's important to monitor the weather conditions before and after application. Avoid using smoke agents during windy days, as this can spread the chemicals unevenly and reduce effectiveness. Also, make sure that all plants are healthy and well-watered prior to treatment, as stressed or weakened plants are more vulnerable to damage. Always read and follow the label instructions carefully to ensure safe and effective use. Stainless Steel Screwed Pipe Fittings Stainless Steel Screwed Pipe Fittings ,Stainless Steel Screwed Pipe Fitting ,Screwed Pipe Fittings ,S S Screwed Pipe Fittings WENZHOU DIYE VALVE&FITTINGS CO.,LTD , https://www.diye-valve.com