نتایج جستجو برای: rhododendron dauricum flavonoids rf
تعداد نتایج: 53444 فیلتر نتایج به سال:
1. Relationships between mycorrhizal plants and soil nitrogen (N) have led to the speculation that the chemistry of plant litter and the saprotrophy of mycorrhizal symbionts can function together to closely couple the N cycle between plants and soils. We hypothesized that a tannin-rich, ericoid mycorrhizal (ERM) plant promotes the retention of protein–tannin N in soil, and that this N source is...
Bougainvillea purple flowers (bougenvillea spectabilis) is a plant that contains secondary metabolites one of them flavonoids. This study aims to identify the type flavonoids in bougenville blend n-butanol. The identification bougainvillea n-butanol fraction was performed by separation method using preparative TLC eluent nbutanol: acetic acid: water (4: 1: 5) 3 stains with Rf 0.2, 0.3, and 0, 6...
Age and distribution of an evergreen clonal shrub in the Coweeta Basin: Rhododendron maximum L.
A dsRNA molecule of 3.4 kbp was extracted from two great rhododendron samples from Great Smoky Mountains National Park. Sequencing of this molecule suggests that it represents the genome of an undescribed virus, for which the provisional name rhododendron virus A (RhVA) is proposed. In phylogenetic analyses, this virus clustered together with southern tomato virus and related viruses, forming a...
Biological control products were tested in vitro with six isolates of Phytophthora ramorum. These isolates were geographically diverse and were selected based on their pathogenicity to detached Rhododendron leaves. In addition to five commercially available biocontrol products, nine species of Trichoderma were tested. The in vitro tests included dual culture methods and detached Rhododendron le...
This article documents the addition of 139 microsatellite marker loci and 90 pairs of single-nucleotide polymorphism sequencing primers to the Molecular Ecology Resources Database. Loci were developed for the following species: Aglaoctenus lagotis, Costus pulverulentus, Costus scaber, Culex pipiens, Dascyllus marginatus, Lupinus nanus Benth, Phloeomyzus passerini, Podarcis muralis, Rhododendron...
Shoot extension of Rhododendron ‘Sir Robert Peel’ was reduced, but flowering was more precocious after treatment of plants with paclobutrazol. All of the drench rates tested (0.05 to 0.4 g a.i./pot) proved excessive and resulted in prolonged shoot growth reduction but greatly increased the number of flowers. However, flowers produced at the higher drench rates were grossly malformed and unaccep...
Standardization of herbal drugs is the need of the hour as the use and practice of traditional herbal drugs has increased tremendously. The main objective of the present study is to standardize the root tubers of Aconitum heterophyllum as per pharmacopoeial testing protocol which include powder microscopy, physico-chemical screening, HPTLC fingerprinting and GC-MS analysis. Preliminary phytoche...
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