Oxylipins are oxygenated derivatives of fatty acids and pivotal signaling molecules in plants and animals. Allene oxide synthase (AOS) is a key cytochrome P450 CYP74 enzyme involved in the biosynthesis of plant oxylipin jasmonates to convert 13(S)-hydroperoxide to allene oxide. Guayule (Parthenium argentatum) AOS, CYP74A2, was expressed in Escherichia coli. Protein was purified using affinity c...

Photosynthetic effects of the leaves extracts from Ipomoea cairica on Parthenium hysterophorus L were studied. Ipomoea cairica dried leaf powder (20g) was dissolved in distilled water (200ml) for foliar application. The seedlings were maintained under natural condition in Insect free net house. The experiment was carried out to analyze the effects of Ipomoea cairica leaves extract by measuring ...

The genus Tanacetum belongs to family Asteraceae or Compositae. Literature review revealed that Tanacetum species have been used as remedies in traditional medicine since ancient times throughout the world. The literature review of photochemical studies on different Tanacetum species had revealed the presence of large number of chemical constituents. The essential oil from Tanacetum species con...

Abstract Background Tripleurospermum disciforme (C.A.Mey.) Sch.Bip., Tanacetum parthenium (L.) and Achillea biebersteinii Afan. are the most important species of Asteraceae family that used in traditional medicine as antiseptics, analgesics, anti-ulcers. This study aimed to evaluate compare yield, chemical profile, antibacterial antifungal properties essential oils these three for first time. F...

Life history of the mealybug, Paracoccus marginatus Williams and Granara de Willink, on three ornamental plants [Hibiscus rosa-sinensis L., Acalypha wilkesiana (Muell.-Arg.), and Plumeria rubra L.] and one weed species (Parthenium hysterophorus L.) was studied under laboratory conditions. Mealybugs were able to develop, survive, and reproduce on all four hosts; however, there were differences i...