Daphneolone
Daphneolone analogues are potentially active against plant pathogenic fungi, Rhizoctonia solani, Gibberella zeae, Bipolaris maydis, Sclerotia sclerotium and Botrytis cirerea.
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Providing storage is as stated on the product vial and the vial is kept tightly sealed, the product can be stored for up to
24 months(2-8C).
Wherever possible, you should prepare and use solutions on the same day. However, if you need to make up stock solutions in advance, we recommend that you store the solution as aliquots in tightly sealed vials at -20C. Generally, these will be useable for up to two weeks. Before use, and prior to opening the vial we recommend that you allow your product to equilibrate to room temperature for at least 1 hour.
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The packaging of the product may have turned upside down during transportation, resulting in the natural compounds adhering to the neck or cap of the vial. take the vial out of its packaging and gently shake to let the compounds fall to the bottom of the vial. for liquid products, centrifuge at 200-500 RPM to gather the liquid at the bottom of the vial. try to avoid loss or contamination during handling.
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Pesticide Biochemistry & Physiology, 2009 , 93 (3) :133-137.
Lead optimization and anti-plant pathogenic fungi activities of daphneolone analogues from Stellera chamaejasme L.[Reference:
WebLink]
CONCLUSIONS:
In order to find the biorational pesticides, we have synthesized two series of Daphneolone analogues including 5-methylfuryl chalcones and 5-nitrofuryl chalcones by optimizing Daphneolone analogues from Stellera chamaejasme L. with the good insecticidal properties of Qinghai-Tibet Plateau. All the synthesized compounds have been evaluated for anti-plant pathogenic fungi activities.
CONCLUSIONS:
The bioactivity assay showed that some of these Daphneolone analogues were potentially active against plant pathogenic fungi, Rhizoctonia solani, Gibberella zeae, Bipolaris maydis, Sclerotia sclerotium and Botrytis cirerea, while the most potent 1-(2,4-dichlorophenyl)-3-(5-methylfuran-2-yl)propenone (compound 7) in this study showed good inhibitory activity against R. solani at 200 mg L−1 with ca. 100% inhibition.
