Perspectives of Christmas rose (Helleborus niger L.) genetic improvement
نویسندگان
چکیده
منابع مشابه
Reproductive Development of the Christmas Rose (Helleborus niger L.): The Role of Plant Hormones
Christmas rose (Helleborus niger L.), a native perennial of southeastern Europe, is characterized by an interesting phenomenon in the world of flowering plants: after fertilization perianth becomes green, photosyntheticaly active, and persists during fruit development. Removal of the reproductive organs (anthers and carpels) affects the elongation and vascular anatomy of flower stalk, prevents ...
متن کاملPharmacognostical and Phytochemical Studies of Helleborus niger L Root
BACKGROUND Helleborus niger L (Ranunculaceae) is used Ayurvedic and Unani systems and other herbal medicine systems. The roots of H. niger have a good medicinal value. AIMS To conduct a pharmacognostical and phytochemical study of H. niger. MATERIALS AND METHODS The pharmacognostical studies on roots including parameters such as taxonomical, macroscopic, microscopic characters, physico-chem...
متن کاملGenetic Improvement of Christmas Trees
While seed source selection is an important initial step in the genetic improvement of Christmas trees, continuously returning to seed collections from natural stands precludes any further improvement in genetic quality. In addition, the genetic variation within most seed sources is tremendous and varies from year to year. In order for the Christmas tree industry to move past the current level ...
متن کاملCytokinins in the perianth, carpels, and developing fruit of Helleborus niger L.
Reproductive development in the Christmas rose (Helleborus niger L.) differs from that in commonly investigated model plants in two important aspects: (i) the perianth develops a photosynthetic system, after fertilization, and persists until seed ripening; and (ii) the ripe seed contains an immature embryo which continues to mature off the mother plant. The possible roles of cytokinins in these...
متن کاملP01.16. A root extract of Helleborus niger possess cytotoxic properties in neuroblastoma cells
Purpose Helleborus niger (Ranunculaceae), commonly known as Christmas rose, is used in anthroposophically extended cancer therapy in the adjuvant treatment of different entities and reduction of chemotherapy-associated side effects. Although Helleborus niger is widely used in anthroposophic medicine, there is a lack of scientific clinical and preclinical data and until now it is applied on an e...
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ژورنال
عنوان ژورنال: Agricultura
سال: 2016
ISSN: 1581-5439
DOI: 10.1515/agricultura-2017-0003