4-Chlorophenoxyacetic acid (4-CPA) 98%TC CAS NO.122-88-3

4-Chlorophenoxyacetic acid is safer than 2,4-D after application, and not easy to produce phytotoxicity.

4-Chlorophenoxyacetic acid can be absorbed by plants roots, stem, flowers and fruits, and biological activity lasts longer.

Function characteristics:  

4-CPA is belong to auxin class, it is also a plant growth regulator.

1. It can promote growth, prevent the formation of abscission layer, and promote fruit-setting.   

2. It has the effect of inducing the parthenocarpy.   

3. It is safer than 2,4-D after application, and not easy to produce phytotoxicity.  

4. It can be absorbed by plants roots, stem, flowers and fruits, and biological activity lasts longer.   

Usage concentration: 5-25ppm is proper.

Usage method:   

1. Eggplant in flower period, the dosage is 25-30mg/L, and consecutive two times, every time interval one week.   

2. When the tomato blossom in half, spray one time with 25-30mg/L. Spray pepper once to twice with 15-25mg/L.   

3. In sunny afternoon spray with 25-35mg/L before 3-15 days of the cabbage harvested.   

Notice:   

1. Be sure to fixed point when spray flower(only spray flower not spray stem and leaves), and should choose a sunny morning or evening.    

2. When application the pure product, first dissolve with alcohol or high concentration, and add water to the required concentration.