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10 March 1998, Volume 27 Issue 01 Previous Issue    Next Issue

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Tissue Culture of Anthurium andraeanum and Observation of the Development of Cells and Chloroplasts by Electron Microscope Yang Tao, Chen Dehai, Wu Liping 1998, 27(01): 1-7.  Abstract ( )   PDF (461KB) ( )   Tender leaves of Anthurium andraeanum were cultured on MS medium containing optimal concentration of plant hormones, then the callus were induced and plantlets formed. Observation under electron microscope shows that there are significant differences in ultrastructure among the cells of the puff callus, the tight callus and the tender leaves of plantlets. In the cells of puff callus, cytoplasm are thin, vacuoles are bigger than normal, organelles are few, while no typical plastids and pre-plastids were observed. In the cells of tight callus and the tender leaves, cytoplasm are thick, vacuoles are smaller, the structure and the development of chloroplasts and mitochrodia can be observed clearly. It suggests that one of the causes of failing to differentiate into plantlets from longtime cultured callus is the excessive depression of chloroplasts, thus losing the function of regeneration. Related Articles | Metrics

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Effects of Calcium on Peroxidase, Respiratory Rate and Production of Ethylene in Actinidia chinensis Fruits with Calcium Treatments in Postharvest Stage Chen Chun, You Ruichen, Lin Lirong, Lai Menghong, Huang Weinan 1998, 27(01): 8-11.  Abstract ( )   PDF (242KB) ( )   Kiwifruits were treated with calcium at postharvest preiod. The changes of ethylene production, respiratory rate and peroxidase (POD) activity of fruits were determined in order to find out an optimum calcium concentration to delay the ripening and decaying of kiwifruits. 2% calcium treatment was found to be able to inhibit ethylene production, respiratory rate and POD activity, and thus delayed the decay of fruits. Related Articles | Metrics

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Effects of Some Growth Regulators and Mixed Nutrient Medium on the Growth of Salvin splendens Lin Jianzhong, Lai Ruiyun, Song Zhiyu, Zhang Weipeng 1998, 27(01): 12-16.  Abstract ( )   PDF (301KB) ( )   Different sections of stick of Salvia splendens were soaked in different concentrations of growth regulators for 5 seconds. The results showed that treating the cuttings with IAA at 1000 mg/L significantly increased the rooting percentage and rooting number, and the upper sticks rooted easily. GA3 was a perfect chemicals of various growth regulators in promoting flowering and had an earlier flower stage for 10 days and shortened the culture time greatly. Mixed nutrient medium significantly increased the cuttings survival transplanting and improved their features. Related Articles | Metrics

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The Floristic Characteristics and Exploitation of Forest Vegetation in Kaihua, Zhejiang Liu Peng, Chen Liren 1998, 27(01): 17-22.  Abstract ( )   PDF (420KB) ( )   Kaihua county is located in the west of Zhejiang Province and the resources of forest vegetation are rich. The six types of forest vegetation are surveyed and the floristic characteristics of forest vegetation in Kaihua are briefly summarized as follows: the woody plant species are abundant; the origin of the flora is very ancient; there are many relict, rare and endangered plants; the geographical elements are complex and the floristic elements are in wide connection with the flora of the world; the temperate elements are dominant. For the rational exploitation of resources of forest vegetation in kaihua, those resources can be classified into nine types, i. e., forest tourism resources,timher resources, medicinal resources, fruit resources, ornamental resources, 0il resources, starch resources, aromatic resources and fiber resources. Related Articles | Metrics

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Utilization and Exploitation of Caphalotaxus Resources Guo Wenjie, Lu Xuehua, Lin Yong 1998, 27(01): 23-26.  Abstract ( )   PDF (253KB) ( )   The present situation of Cephalotaxus resources, its medicine value and utilization of the resources are summarized. And some views or the prospects of the resources exploitation are approached. Related Articles | Metrics

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A Survey on the Landscape Gardening and Specific Disposition at Zuohai Park in Fuzhou Li Xiaoqing, Liu Jianqiu, Fang Yulin 1998, 27(01): 27-31.  Abstract ( )   PDF (313KB) ( )   The garden plant species at Zuohai park in Fuzhou, Fujian were counted and their specific dispositions were described. The greening area and the greening percentage were measured. Based on these, the authors evaluate the specific dispositions and present some feasible advice. Related Articles | Metrics

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A Survey on Variety Resources of Chinese Olive along the Shoreline of the Minjiang River Yu Desheng, Xu Changtong, Chen Ming 1998, 27(01): 32-37.  Abstract ( )   PDF (369KB) ( )   The planting distribution and variety resources of Chinese olive (Canarium album) along the shoreline of the Minjiang River are described and the trait character of 15 lines of 3 varietal types are characterized. Based on the shape, size, color, flesh of fruit and radial type strip from stem end, a key to varieties of Chinese olive is worked 0ut. Related Articles | Metrics

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A View on “New variety” of Magnolia officinalis Rehd. et Wils. var. pubescens C.Y.Deng Ji Chengju 1998, 27(01): 38-40.  Abstract ( )   PDF (164KB) ( )   This paper deals with the revision of Magnolia offcinalis Rehd. et Wils.var. pubescens C. Y. Deng by studies on specimen and original descriptions of M. offcinalis, M. officinalis var. biloba and M. offcinalis var. pubescens, suggesting that M.offcinalis var. pubescens should be incorporated into M. offcinalis var. biloba Rehd. et Wils. Related Articles | Metrics

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List of Tissue Culture of Nitroge-fixing Trees Huang Weinan 1998, 27(01): 41-45.  Abstract ( )   PDF (288KB) ( )   This paper is a collection of reports on cell and tissue culture of some nitrogen-fixing tree species. Related Articles | Metrics

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The Excellent Ground Cover Flowers——Lantana camara and Portulaca grandifora Chen Donghua 1998, 27(01): 46-49.  Abstract ( )   PDF (269KB) ( )   Lantana camara and Portulaca grandifora are two kinds of representive and excellent ground cover flowers. In this paper, combining the prodution practices, the author describes the morphological characters, culture practices and ornamental uses of the above flowers. Related Articles | Metrics

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Characteristics and Molecular Regulation of Leaf Senescence Wang Wei, Chen Liang, Lin Junmin 1998, 27(01): 54-60.  Abstract ( )   PDF (471KB) ( )   This paper reviews the advances in physiological, biochemical and molecular studies of leaf senescence, and some transgenic approaches towards the manipulation of leaf senescence for application in agriculture. Related Articles | Metrics

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Fermentation and Assay of Kojic Acid Chen Yiliang, Zhou Weidong, Lin Yaohui 1998, 27(01): 61-66.  Abstract ( )   PDF (395KB) ( )   The nutrients for kojic acid biosynthesis from Aspergillus and effects of them on producing kojic acid capacity, fermentation method and strain induced-mutation,mechanism of kojic acid biosynthesis, identification and determination of kojic acid are reviewed. Some views on the advance trend of kojic acid fermentation method are presented. Related Articles | Metrics