How does Thiourea 99% work? Its mechanism in crops
How does Thiourea 99% act on crops?
When a plant enters rest (dormancy), shoots and dormant buds stop developing because of unfavourable conditions (cold, drought). At this point the plant needs a stimulus to come out of its growth "freeze".
Thiourea 99% is the "key" that helps:
Break the rest period
Promote metabolism and activate enzymes inside the cells
Start flower-bud differentiation
Mode of action of Thiourea 99%
1. Effect on the plant's enzyme system
- Thiourea 99% supplies sulfur and nitrogen → increasing the activity of enzymes that break down starch and of growth hormones.
- Result: dormant buds wake up and enter active growth
2. Stronger respiration and metabolism
- Thiourea stimulates cell respiration, providing energy for faster growth.
- Helps the plant form flower buds early and evenly.
3. Better water and nutrient uptake
- After Thiourea treatment, plants take up more nutrients, leaves are greener and thicker, and flowering is more even.
Benefits of using Thiourea 99% on crops
✅ Dormancy breaking quickly – saving care time
✅ Stimulates off-season flowering – better prices
✅ Improves fruit set – higher yields
✅ Even results on fruit crops: mango, longan, lychee, dragon fruit…
In practice
| Crop | Use of Thiourea 99% |
|---|---|
| Mango | Promotes even off-season flowering |
| Longan | Wakes dormant buds, even flowering |
| Lychee | Earlier flowering, shorter rest period |
| Dragon fruit | Off-season flowering, higher output |
Read more: What is dormancy breaking? The role of Thiourea 99% in off-season treatment
5 fruit crops where Thiourea 99% is commonly used
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