Thidiazuron TDZ

Thidiazuron(TDZ) is a new type of highly efficient cytokinin used in tissue culture to better promote plant bud differentiation. It is mainly used as a defoliant and fruit expander. It is especially effective as a cotton defoliant
Chemical name:1-phenyl-3-(1,2,3-thiadiazol-yl)urea; 5-phenylcarbamoylamino-1,2,3-thiadiazole,Dropp
CAS NO.: 51707-55-2
Appearance: White to light yellow powder
Empirical Formula: C9H8N4OS
Melting point: 210. 5-212. 5°C
Specification:Thidiazuron 98% TC, Thidiazuron 50% wp

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Details Functions How to use Characteristics Parameters package

Product Detail

Use Defoliant: Thidiazuron is a highly efficient cotton defoliant used at high concentrations, which has a good effect on cotton defoliation and ripening.

After being absorbed by the plant, it can promote the natural formation and shedding of the separation tissue between the petiole and the stem, and it has a strong activity to promote cell division, making the cotton bolls early mature and crack, making them easy to pick. It can also increase cotton production by 10%-20%.

Use as Fruit expander: Thidiazuron can play a role in fruit expansion at extremely low concentrations. Thidiazuron has extremely strong cell division activity.

Its ability to induce plant cell division and callus tissue is more than a thousand times higher than that of general cytokinins, promoting fruit enlargement, delaying plant aging, enhancing its stress resistance, promoting plant photosynthesis, increasing crop yields, and improving crop quality.

Functions

1. Thidiazuron can make cotton mature early, cotton bolls open relatively early and concentrated, and increase the proportion of pre-frost cotton. Cotton does not contain shells, does not drop fluff, does not fall flowers, increases fiber length, and improves lint percentage, which is conducive to mechanical and manual harvesting.
2. Promote cell division and fruit expansion: Thidiazuron not only promotes cell division, but also promotes the lateral growth and longitudinal growth of organs, which can have the effect of expanding fruits.
3. Break the apical dominance: Thidiazuron can promote the germination of lateral buds, induce bud differentiation, promote the production of lateral branches, increase the number of branches and flowers, and increase the probability of pollen conception, thereby increasing the number of fruits.
4. Improve crop quality and commerciality: Thidiazuron can promote parthenocarpy, stimulate ovary expansion, prevent plants from falling flowers and fruits, promote protein synthesis, and increase sugar content.
5. Thidiazuron can also reduce the damage of pests.

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How to use

Cotton: 0.5kg/hm2, when 50%-60% of the cotton bolls are open, dilute the preparation into a 500L/hm2 aqueous solution, spray on the plants, and the defoliation effect is 98%.

Fruit trees: During the growth period of fruit trees, Thidiazuron (TDZ) is mostly applied once on the 10th to 15th day after the flowers fall, before and after the fruit expands, and when the color is formed.

Grapes: During the flowering period of grapes, spraying Thidiazuron on the bunches can increase the fruit setting rate; during the young fruit stage of grapes, soaking the grape bunches with Thidiazuron can increase the yield.

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Precautions

1. Do not apply the pesticide too early, otherwise it will affect the yield.
2. Rainfall within two days after application will affect the efficacy of the pesticide, so pay attention to weather precautions before applying the pesticide.
3. Do not contaminate other crops to avoid pesticide damage.

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Parameters

Crops	period	Concentration/ (mg/l)	Method	Effect
Cotton	Spraying leaves When the cotton ball cracks 70% (temperature at 14℃-22℃)	50g active ingredient adding 50kg wate（0.1% solution）	foliage spray	Make leave drops to fit for machine picking cotton; early opening of a boll of cotton
Cucumber	female flower about to open	2	Spraying the female flowers consisting	Promote fruit setting, increase fruit weight
Celery	post-harvest	1-10	Spraying leaves after harvesting	Keep the green leaves fresh
Melon	Growing period, flowering period	2.5-3.3	Spray the whole plant	Increase yield and increase fruit setting rate
Grape	flowering phase	4-6, 75kg per mu (dilution 175-250 times)	Spray plant	Increase production, improve quality, increase efficiency and resist disease