Huilin Zhu , Xu Liu , Lina Xu, Liyong Sun, Yao Chen, Tangjie Nie, Zengfang Yin
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引用次数: 0
Abstract
Dendrobium moniliforme (L.) Sw. is a rare and endangered epiphyte plant of Orchidaceae with significant medicinal and ornamental value in China. It is necessary to use artificial cultivation to protect the wild resources because of its difficulty to survive in the wild. To date, more and more researchers have paid attention to the importance of phenology in stem development, flowering, pollination and fruiting of Dendrobium, but no specific and detailed phenological scale was set. Based on the extended BBCH scale, we used morphological and anatomical techniques to observe and record the growth and development characteristics of D. moniliforme. As a perennial herb, the growth process was divided into juvenile period and adult period. The juvenile period can be divided into two phases: seed germination (0) and seedling morphogenesis. Four stages are composed of the seedling morphogenesis, i.e. leaf development (1), formation of side shoots (2), stem (protocorm) elongation (3) and adventitious root formation (4). The adult period can be divided into vegetative growth and reproductive growth phases. Vegetative growth phases include bud development (0), leaf development (1), shoot development (3), root development (4) and dormancy (9). The reproductive growth phases include inflorescence emergence (5), flowering (6), development of fruit (7) and ripening of fruit and seed (8). For the entire growth and development process of D. moniliforme, 74 secondary growth stages were further coded and described. Additionally, the time series of different development stages in the annual growth cycle were discussed. This extended BBCH scale may provide guidance for the production and management practices of D. moniliforme.
期刊介绍:
JARMAP is a peer reviewed and multidisciplinary communication platform, covering all aspects of the raw material supply chain of medicinal and aromatic plants. JARMAP aims to improve production of tailor made commodities by addressing the various requirements of manufacturers of herbal medicines, herbal teas, seasoning herbs, food and feed supplements and cosmetics. JARMAP covers research on genetic resources, breeding, wild-collection, domestication, propagation, cultivation, phytopathology and plant protection, mechanization, conservation, processing, quality assurance, analytics and economics. JARMAP publishes reviews, original research articles and short communications related to research.