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Both the neutral and acidic fractions of the acetone extract of yellow fieldcress (Kireha-inugarashi,Rorippa sylvestris Besser) inhibited lettuce seed germination. Salicylic,p-hydroxybenzoic, vanillic, and syringic acid were identified in the acidic fraction. In the neutral fraction, hirsutin (8-methylsulfinyloctyl isothiocyanate), 4-methoxyindole-3-acetonitrile, and pyrocatechol were identified. Bioassay using a root exudate recirculating system showedR. sylvestris during flowering inhibited the lettuce seedling growth. Hirsutin (13μg/plant/day) and pyrocatechol (9.3μg/plant/day) were the major compounds released into the rhizosphere. Several combinations of pyrocatechol,p-hydroxybenzoic acid, vanillic acid, and hirsutin reduced lettuce seedling growth. These compounds seemed to be allelochemicals.
Department of Agricultural Chemistry, Faculty of Agriculture, Hokkaido University, 060, Sapporo, Japan.
This article was published in the following journal.
Name: Journal of chemical ecology
Phytoremediation potential of uranium (U) was investigated by submerged, free-floating and rooted emergent native aquatic macrophytes inhabiting along the streams of Horta da Vilariça, a uraniferous ...
The neotropical bracken fern Pteridium arachnoideum (Kaulf.) Maxon. (Dennstaedtiaceae) is described as an aggressive pioneer plant species. It invades abandoned or newly burned areas and represents a ...
In this work we analyze the pigments used in the decoration of red and yellow motifs present in the portable art of the Parpalló Cave (Gandía, Spain), one of the most important Palaeolithic sites in...
Malva sylvestris has recently attracted special attention due to its potential activities in many chronic disorders. We aimed to assess the beneficial effects of Malva sylvestris extract against lithi...
Perovskite films were prepared using single step solution deposition at different annealing temperatures and annealing times. The crystal structure, phases and grain size were investigated with XRD, X...
The objective of this study is to study immune memory generated against the yellow fever vaccine (YFV) in participants who recently received the YFV vaccine. Volunteers who are planning ...
The purpose of this study is to determine whether immune globulin can limit the amount of yellow fever vaccine virus present in the blood after vaccination without compromising the immunit...
Head and neck cancers(HNC) is one of the most common cancers worldwide. Xerostomia is one of the most common side effect of radiation therapy among patients with HNC. Mouth dryness signifi...
- 4 tubes (2 x7-ml dry tubes with yellow gelose, and 2 x 5 ml tubes with blue CTAD) will be taken from the patient within 24 hours following inclusion (D0) in the department in ...
To evaluate the immune status of yellow fever in adults with a history of two or more doses of vaccine, having received the second dose for at least 1 year, compared to re-vaccinated indiv...
A plant genus of the family TROPAEOLACEAE. The common nasturtium is a plant that grows 2.4-3.6 m (8-12 feet) tall and has funnel-shaped flowers that are commonly yellow-orange with red spots or stripes and have a long spur that contains sweet nectar. Some species in this genus are called watercress which is also a common name for RORIPPA and NASTURTIUM.
Vaccine used to prevent YELLOW FEVER. It consists of a live attenuated 17D strain of the YELLOW FEVER VIRUS.
A rare condition characterized by the presence of yellow nails, LYMPHEDEMA, and/or PLEURAL EFFUSION with respiratory tract involvement. Abnormal lymphatic network may play a role in its etiology. Occasionally inherited, yellow nail syndrome mostly is sporadic without apparent family history.
A plant family of the order Capparales, subclass Dilleniidae, class Magnoliopsida. They are mostly herbaceous plants with peppery-flavored leaves, due to gluconapin (GLUCOSINOLATES) and its hydrolysis product butenylisotrhiocyanate. The family includes many plants of economic importance that have been extensively altered and domesticated by humans. Flowers have 4 petals. Podlike fruits contain a number of seeds. Cress is a general term used for many in the Brassicacea family. Rockcress is usually ARABIS; Bittercress is usually CARDAMINE; Yellowcress is usually RORIPPA; Pennycress is usually THLASPI; Watercress refers to NASTURTIUM; or RORIPPA or TROPAEOLUM; Gardencress refers to LEPIDIUM; Indiancress refers to TROPAEOLUM.
A mitosporic Loculoascomycetes fungal genus including several plant pathogens and at least one species which produces a highly phytotoxic antibiotic. Its teleomorph is Lewia.