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Brassinolide 0.1% Brassinolide is a naturally occuring plant steroid normally found in small amounts in all plants. By applying it to plants improves plant growth through improved root growth, better seed germination, plant photosynthesis, resistance to cold and water shortage. All product descriptions should not be interpreted as a claim. It is only a summary of information commonly found on the internet including laboratory research. Products are not available in Canada.

Brassinolide 90% 90% Brassinolide is a research grade brassinolide that must be dissolved in alcohol. It is not intended for normal gardening use. All product descriptions should not be interpreted as a claim. It is only a summary of information commonly found on the internet including laboratory research. Products are not available in Canada.

General Information

Frequently Asked Questions

1. What Is Brassinolide?

Brassinolide is a naturally occuring plant steroid; it is normally found in plants ¹. In fact, it was first discovered in plants. Brassinolide has been found to be an important element for plant growth ².

8. Can Brassinolide Help Plants Deal With Flooding?

One source ¹ reports that a foliar spray of 0.3 ppm of brassinolide helps plants deal with water flooding.

9. What Effect Does Brassinolide Have On Root Development?

A study ¹ concluded that Brassinolide increased the growth of the primary root by 90%. Another study ² concluded that a 0.0001 PPM application for 8 hours has the best results for the creation of some roots.

In my own tests I have worked with different concentations and this is what I've found. First, different types of plants respond differently to brassinolide, so it's always best to start with a low concentrion. As of October 21, 2008 I would recommend starting with 0.01 PPM. I also tested it by keeping the cuttings in the same solution until it was time to put it in soil. I will be running more tests to see what happens if I put the cuttings in the brassinolide solution for only a few hours. I haven't tested yet what happens when the brassinolide is combined with other substances.

Other hormones that boost root growth are the different auxins. Of great interest for roots are Mycorrhizae fungi which increase the reach and assimilation capabilities of the roots. Fulvic Acid is also important for healthy roots.

10. Does Brassinolide Affect Seed Germination?

One study ¹ concluded that Brassinolide improved the growth of the germinating seed. Another study ² has also concluded that Brassinolide has germination promoting effects.

For more information on improved seed germination please take a look at Brassinolide, Chitosan, Fulvic Acid and Gibberellic Acid.

Order the Super-Grow Germination Pack!

11. What Concentrations Of Brassinolide Are Used?

Concentrations of brassinolide are based on many different factors, such that hard rules are hard to define. In one research brassinolide concentrations of 0.01 ppm to 0.5 ppm¹ have shown very good results ^{2, 3} across a wide range of plants. One patent claims a PPM range of 0.001-0.05 ppm⁴. At the same time one user found that 0.1 PPM was too strong for his jalapino peppers (only 2 plants tested) so perhaps 0.05 PPM or less is a better 'safe' dosage to start with. Finally, one person ⁵ reported very good results using 0.01 PPM at three different times on medical marijuana plants.

Keep in mind that you can, to be safe, use a low dosage and then spray again after a few weeks. I would wait at least three weeks.

12. When Should Brassinolide Be Applied?

It will vary from one plant to another, but one source ¹ recommends two different foliar sprays of brassinolide. The first at 25 to 30 DAS (days after seeding) and the second after 45 to 50 days. Alternatively, the same source suggests that for some plants the brassinolide should be sprayed at the beginning of flowering. Another source ² reports very good results when 0.1 PPM brassinolide is sprayed three times: once at the seedling stage, then at the flowering stage and finally at the fruiting stage.

13. How Do I Store Brassinolide Powder?

Brassinolide powder should be stored in a cool dry place.

14. How Do I Store Brassinolide After Mixing It?

Once it's in a liquid form brassinolide would normaly degrade very quickly. The best way to keep liquid brassinolide is to freeze it in a freezer tray. When you need to use the brassinolide just remove one ice cube from the freezer and let it melt.

15. How Long Is Brassinolide Powder Good For?

It is estimated that the brassinolide powder can be kept for up to three years.