75% Diuron · Thidiazuron

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Pesticide registration number: PD20171441

Registration certificate holder: Jiangsu Ruidong Pesticide Co., Ltd

Pesticide name: Diuron + Thidiazuron

Dosage form: wettable powder

Toxicity and its identification:


Total active ingredient content: 75%

Active ingredient and its content:

diuron 25%     Thidiazuron 50%    

Scope of use and method of use:


Prevention and control objects

Dosage (preparation quantity/mu)

Method of application



12-15 g/mu

Stem and leaf spray


Technical requirements for use:
The application period is 15-20 days before frost, or in the later stage of cotton growth, when the boll is 40-45 days old or when the natural boll opening rate of cotton reaches about 40%, the whole field stem and leaf spraying treatment with 40-45 kg of water mixed with the product per mu starts to fall leaves about 10 days, the boll opening increases, and reaches the peak about 15 days. Use low doses in warmer, better weather years and high doses in cooler, overcast years. Do not apply on windy days or before rain. This product can be applied to crops at most once per season.

Product Performance:
It is a Plant growth regulator. After the pesticide is absorbed by cotton, it can promote the separation tissue between petiole and stem to form naturally and defoliate early, which is beneficial to mechanical cotton harvesting and can make cotton harvest about 10 days ahead of schedule.

1. This product is a contact-type defoliant. When applying, spray evenly on the leaves of all parts of cotton plants, so that the leaves of the plants fully contact the drug, and the expected defoliation effect has been achieved. 2. The application should not be earlier than the opening rate of cotton bolls below 60%, so as not to affect the yield and quality. 3. Pay attention to the temperature change of application, the minimum temperature within 3-5 days after application shall not be lower than 12℃, which is conducive to the re-emergence of efficacy, and must avoid the application during the period of strong cooling. 4. Be careful not to drift to other crops to avoid phytotoxicity. 5. For the fields with vigorous growth and high density, the registered high dose can be used, or twice application can be used; the dosage should be appropriately reduced each time to improve the defoliation effect of the middle and lower leaves of cotton plants. 6. Flowering plants flowering period prohibited. Do not pour the rest of the solution and water for washing the application tools into fields, rivers and other water sources. It is prohibited near aquaculture areas, river ponds and other water bodies. It is prohibited to clean pesticide application equipment in rivers and ponds. 7. Wear protective equipment such as respirator, glasses, long-sleeved shirt, trousers, shoes, socks, etc. when applying drugs; wash hands, face and gargle thoroughly with soap after work. Used containers should be properly disposed of and not used for other purposes or discarded at will. Pregnant and lactating women should avoid contact with this product.

First aid measures for poisoning:
This medicine has no irritation to eyes and skin. Do not ingest a large amount without systemic poisoning symptoms; if accidentally splashed into the eyes or skin, should immediately wash with a large amount of water for at least 15 minutes, still untimely, seek medical attention; if mistakenly taken, do not induce vomiting, immediately take the label to see a doctor, so that the patient lies still, ask the doctor symptomatic treatment. No specific antidote.

Storage and transportation methods:
1. Store in a ventilated, cool and dry place. It shall not be stored and transported together with food, seeds, feed, inflammable and explosive articles. 2. Transport must be protected from moisture and sunlight. Transportation to ensure that no damage, no dumping, high temperature, rain. Avoid contact with skin and eyes. Store away from fire or heat and children, and lock.