Uniconazole

Uniconazole
Names
	IUPAC name (E)-1-(4-Chlorophenyl)-4,4-dimethyl-2-(1,2,4-triazol-1-yl)pent-1-en-3-ol
Identifiers
CAS Number	83657-22-1 ;
3D model (JSmol)	Interactive image;
ChEBI	CHEBI:38000;
ChemSpider	4941263;
ECHA InfoCard	100.108.800
PubChem CID	6436604;
UNII	R4ATA06H50 ;
CompTox Dashboard (EPA)	DTXSID7032505 ;
	SMILES CC(C)(C)C(C(=CC1=CC=C(C=C1)Cl)N2C=NC=N2)O;
Properties
Chemical formula	C15H18ClN3
Molar mass	275.78 g·mol−1
Appearance	White-light brown powder
Density	1.28 g/mL
Melting point	152.1–155.0 °C (305.8–311.0 °F; 425.2–428.1 K)
Solubility in water	8.41 mg/L
	Except where otherwise noted, data are given for materials in their standard state (at 25 °C [77 °F], 100 kPa). Infobox references

Uniconazole is a triazole chemical used as a plant growth retardant. It is active on a wide range of plants and acts by inhibiting the production of gibberellins.^[1]

Uses

Uniconazole is applied to plants to restrain their growth. It is often used on perennials to maintain a marketable size and/or delay flowering.^[2] Leaves usually appear darker after application because uniconazole increases chlorophyll content.^[1]

Commercial products

The following products labeled for application to ornamental plants as plant growth retardants in the United States contain uniconazole:

Concise^[3]
Sumagic^[4]

Sunny is an Australian product containing uniconazole that is labeled for application to avocado trees to improve fruit size and quality.^[5]

Application methods

Uniconazole products can be sprayed onto plant foliage or applied to the soil.^[2] After it is taken up by plant roots, uniconazole is translocated in the xylem. The restricted-entry interval for Concise or Sumagic is 12 hours.^[4]^[3]

Reversing the effects of over-application

Over-application of any growth retardant can be devastating to a crop. One way to reverse excessive stunting is to apply gibberellins A4 + A7 and benzyl adenine. In the United States a product called Fresco is labeled for this use.^[6]

References

^ ^a ^b Izumi, K.; Oshio, H. (1991-01-01). Takahashi, Nobutaka; Phinney, Bernard O.; MacMillan, Jake (eds.). Gibberellins. Springer New York. pp. 330–338. doi:10.1007/978-1-4612-3002-1_32. ISBN 978-1-4612-7754-5.
^ ^a ^b "Growth Regulators for Containerized Herbaceous Perennial Plants" (PDF). Ball Publishing. 2016. Retrieved 2017-01-02.
^ ^a ^b "Concise Specimen Label" (PDF). Fine Americas. 14 March 2014. Retrieved 2017-01-02.
^ ^a ^b "Sumagic Plant Growth Regulator" (PDF). Valent. 2010. Retrieved 2017-01-02.
^ "Sunny Plant Growth Regulator" (PDF). Sumitomo Chemical. Archived from the original (PDF) on 2017-02-28. Retrieved 2017-01-02.
^ "Fresco Specimen Label" (PDF). Fine Americas. 14 March 2014. Retrieved 2017-01-02.

[:1-1] Izumi, K.; Oshio, H. (1991-01-01). Takahashi, Nobutaka; Phinney, Bernard O.; MacMillan, Jake (eds.). Gibberellins. Springer New York. pp. 330–338. doi:10.1007/978-1-4612-3002-1_32. ISBN 978-1-4612-7754-5.

[:0-2] "Growth Regulators for Containerized Herbaceous Perennial Plants" (PDF). Ball Publishing. 2016. Retrieved 2017-01-02.

[:2-3] "Concise Specimen Label" (PDF). Fine Americas. 14 March 2014. Retrieved 2017-01-02.

[:3-4] "Sumagic Plant Growth Regulator" (PDF). Valent. 2010. Retrieved 2017-01-02.

[5] "Sunny Plant Growth Regulator" (PDF). Sumitomo Chemical. Archived from the original (PDF) on 2017-02-28. Retrieved 2017-01-02.

[6] "Fresco Specimen Label" (PDF). Fine Americas. 14 March 2014. Retrieved 2017-01-02.

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