Archive

10 December 2010, Volume 39 Issue 04 Previous Issue    Next Issue

---

For Selected:

Download Citations EndNote Ris BibTeX

Toggle Thumbnails

Select

The Analysis of Turgor Pressure of Trunk in the Flow Area on a Rubber Tree (Hevea brasiliensis) Clone PR107 XIAO Zai-yun, XIAO Xian-zhou 2010, 39(04): 1-3.  DOI: 10.3969/j.issn.1009-7791.2010.04.001 Abstract ( )   PDF (734KB) ( )   Micro-cut is a new exploiting technique.There is a significant correlation between flow area and latex yield.Turgor pressure of trunk in the flow area on a rubber tree (Hevea brasiliensis) Clone PR107 with 1/8s↑d/4 tapping system was measured at NO.7 trial team, Chinese Academy of Tropical Agricultural Sciences.The result showed that there were differences among turgor pressure of different loci of trunk, and all of them decreased less after tapping.Turgor pressure of trunk keeping a comparative higher level is one of factors that flow of rubber trees with micro-cut and gaseous stimulation kept longer. Related Articles | Metrics

Select

Prokaryotic Expression,Purification and Polyclonal Antibody Preparation of Peanut AhAO1 Protein YANG Li-xia, SONG Tao-ping, PENG Xin-kai, HU Zhao-hui, LI Ling 2010, 39(04): 4-6.  DOI: 10.3969/j.issn.1009-7791.2010.04.002 Abstract ( )   PDF (931KB) ( )   The AhAO1 gene was isolated by RT-PCR using cDNA synthesized from total RNA extracted from peanut leaves and cloned into plasmid pPROEXHTa.The expression plasmid HTaAhAO1 was transformed into E.coli BL21.SDS-PAGE analysis revealed that the His-AhAO1 fusion protein was highly expressed in E.coli BL21 and purified by affinity chromatography and electrophoresis.The His-AhAO1 polyclonal antibody was prepared and tested by western blot.The anti-His-AhAO1 polyclonal antibody lays foundation for further research on AhAO1. Related Articles | Metrics

Select

Rice Transformation by Injecting Hainan Oryza meyeriana DNA and SSR Detection TANG Qing-jie, YUN Yong, ZHANG Ji-zhen, YAN Xiao-wei, LIN You-zhen, HAN Yi-sheng, XU Jing 2010, 39(04): 7-9,13.  DOI: 10.3969/j.issn.1009-7791.2010.04.003 Abstract ( )   PDF (1065KB) ( )   Genome DNA of Hainan Oryza meyeriana with high resistance and vigorous growth was extracted, then was transformed into rice restorer R225, R128, R15 by stem injecting.From F1 generation, variation rice from others in growth period, height, type and spikelets was chosen.After 3 generation, 15 stable rice materials were screened out.The materials and controls were detected with SSR markers, which indicated that there were 4 materials from which DNA fragments specific to wild rice were amplified.The result showed that variation materials from Oryza meyeriana were acquired. Related Articles | Metrics

Select

Study on Characteristics Segregation of F1 Generation from P42×P39 in Phalaenopsis CAO Jun-xi, CHEN He-ming, Lü Fu-bing, ZHU Gen-fa, SUN Ying-bo 2010, 39(04): 10-13.  DOI: 10.3969/j.issn.1009-7791.2010.04.004 Abstract ( )   PDF (758KB) ( )   The hybrids were obtained from the cross of P42 with P39 in Phalaenopsis, and the characteristics segregation of F1 generation was studied.The results showed that:various characteristics were between the two parents or higher or lower than their parents, which showed mid-parent heterosis or positive or negative heterosis advantage.From the frequency map analysis, the characteristic advantages of F1 generation were in leafs, leaf color, flowers and flower color.Among them, the variation coefficient of flower color, flowers and leaf color were 29.16%, 28.74%, 28.32%, respectively, which were the focus of fine individual from F1 generation. Related Articles | Metrics

Select

Absorption and Accumulation Characteristics of Rape to Heavy Metals in Soil CHEN Yan-hong, SU Xiao-hong, HUANG Zhi-yong 2010, 39(04): 14-17.  DOI: 10.3969/j.issn.1009-7791.2010.04.005 Abstract ( )   PDF (838KB) ( )   Rapes, which widely eaten by people, were selected as studying objects in this research, soil culture experiments was managed.We studied the absorbing and accumulating characters of heavy metals in rape under the pressure from different concentrations of heavy metals (cadmium, lead, mercury), and discussed the migration of heavy metals in soil-vegetable system.The results show that the absorbing and accumulating rules of different heavy metals in different parts of rape are different.The accumulation order of cadmium and mercury in the rape plants was ranged as roots >leaves >stems, and the accumulation order of lead in the rape plants was ranged as roots >stems >leaves.Rape roots have much stronger ability in accumulating heavy metals than stems and leaves, The adsorptive ability to heavy metals is:Cd >Hg >Pb.The contents of heavy metals in different parts of rape was significantly linearly correlated to the concentrations of heavy metals in the soil (r2>0.859).According to the national regulation about the maximum limit of heavy metals in edible parts of vegetables (GB 15201-1994, GB14935-1994, GB 2762-1994), the thresholds of cadmium, lead and mercury in soil for rape were 0.36 μg/g, 43.62 μg/g and 2.89 μg/g。 Related Articles | Metrics

Select

Effects of Salt Stress on Seed Germination of Different Chinese Cabbage Varieties XU Fen-fen, YE Li-min, XU Xiao, ZHENG Yi-qing, ZENG Hai-yan 2010, 39(04): 18-20.  DOI: 10.3969/j.issn.1009-7791.2010.04.006 Abstract ( )   PDF (717KB) ( )   Five representative Chinese cabbage (Brassica chinensis L.) species (‘Qibao Green’, ‘Xia Dongqing’, ‘Siyueman’, ‘Nanjing Zhonggan’ and ‘605’) were treated with 100 mmol/L NaCl in seed germination stage to compare their salt tolerance. The results showed that salt tolerance of ‘Qibao green’ seeds was stronger than the other varieties by the indicators of germination potential, germination rate, germination index, salt injury index, embryo length and embryo fresh weight. Related Articles | Metrics

Select

Quality Comparison on Tie Guanyin Planted in Different Agrochemical Characters HONG Cui-yun, ZHENG Li-yan, WANG Guo, GUO Lin, GUO Ya-ling 2010, 39(04): 21-23.  DOI: 10.3969/j.issn.1009-7791.2010.04.007 Abstract ( )   PDF (726KB) ( )   Tea variety of Tie guanyin was used as research object, and three Tie Guanyin tea gardens with different soil agrochemical characters of Xianghua, Lutian, Jiufeng were chosen to compare the biochemical components of fresh leaves in different soil agrochemical characters.Among them, the biochemical components of fresh leaves in testing region of Lutian were much richer than in other testing regions.The organoleptic quality of Tie Guanyin raw tea planted in Jiufeng was bitter and astringent.The analysis on agrochemical characters of soil preliminary indicated that the quality of Tie Guanyin was influenced by soil agrochemical characters obviously. Related Articles | Metrics

Select

Research on Pesticide Migrate in Golf Course JU Rong, YANG Xiao-zhu 2010, 39(04): 24-27.  DOI: 10.3969/j.issn.1009-7791.2010.04.008 Abstract ( )   PDF (769KB) ( )   The amount of pesticide migrate was mainly influenced by the rainfall and its interval.Loss of the pesticides such as chlorpyrifos, cypermethrin and chlorothalonil transfer with runoff water ranged from 0.014 kg/hm2 to 0.490 kg/hm2, and the loss rates of the pesticides ranged from 9.79% to 20.51%.If it rain in 3 days after treatment, loss rates of chlorpyrifos and cypermethrin should be 8.32% and 5.58%, respectively, and the rates reduced with 50%.The migration of pesticides with runoff water would reduce and be help to reduce environmental pollution if the application time was adjusted based on rainfall forecast. Related Articles | Metrics

Select

The Analysis of Reference Crop Evapotranspiration Computation in Shenzhen ZHENG Xi, WANG Qi, SUN Ji-xiong 2010, 39(04): 28-32.  DOI: 10.3969/j.issn.1009-7791.2010.04.009 Abstract ( )   PDF (936KB) ( )   Based on meteorological data of Shenzhen from 1998 to 2007, the paper studied reference crop evapotranspiration by using Hargreaves method, Pristley-Taylor method and Irmark-Allen method with the FAO Penman-Monteith method as the standard, attempt to estimate applicability of the three methods.The results show that mean monthly reference crop evapotranspiration and annual mean reference crop evapotranspiration of Irmark-Allen and Penman-Monteith is no significant difference, but are deviated from Hargreaves method and Pristley-Taylor method which Hargreaves is the most volume and Pristley-Taylor is least.The correlation of Irmark-Allen method, Pristley-Taylor method and Penman-Monteith are overestimated.Irmark-Allen method is advisable to estimate ET0 when hard to get relatively meteorological data in Shenzhen. Related Articles | Metrics

Select

Study on Extraction Method and Technology of Juglone in Juglandis Mandshuricae Cortex CHENG Li-hui, HUANG Xiao-wen 2010, 39(04): 33-35.  DOI: 10.3969/j.issn.1009-7791.2010.04.010 Abstract ( )   PDF (754KB) ( )   The extraction methods and factors affecting the juglone in juglandis mandshuricae cortex were studied.Taking the juglone content as index, the effects of extraction methods including cold-maceration extraction, ultrasonic extraction, reflux extraction and ratio of solvent to material, ultrasonic time on extraction rate were investigated.Orthogonal test was designed by extraction method (A), ratio of liquid to material (B), extraction time (C).The results showed that the factors affecting extraction rate of polysaccharide was in the order of A, B, C, in other words, extraction method >ratio of liquid to material >extraction time.The optimal extraction process was A2B3C1.That was, ultrasonic extraction was employed, ratio of liquid to material was 12:1 and time was 20 min. Related Articles | Metrics

Select

Studies on Morphology and Distribution Pattern of Population Individuals of Coptis Teetoides,Gaoligong Mountain WANG Jian-yun, LIU Jing-lun, MU Qi-ai, SHI Xiao-chun 2010, 39(04): 36-39.  DOI: 10.3969/j.issn.1009-7791.2010.04.011 Abstract ( )   PDF (841KB) ( )   According to field observation and test observation, the supplemental morphology and fractional morphological statistics about vegetative organs and generative organs of Coptis teetoides in Gaoligong Mountain were recorded.The results indicated that the distribution pattern of population individuals was random distribution pattern, and the population model was stable growth-oriented.In moderate artificial interference, this population had particular restorability and was able to keep steady and incremental conditions. Related Articles | Metrics

Select

Research on Flora of Pteridophyte in Hengshan Mountain XIA Jiang-lin, WANG Guo-ping, XIA Lin-lin, KANG Jian-jun, KUANG Bai-gen, ZHAO Cheng 2010, 39(04): 40-45.  DOI: 10.3969/j.issn.1009-7791.2010.04.012 Abstract ( )   PDF (885KB) ( )   There are 235 species of ferns (including subspecies) in Hengshan Mountain, belonging to 75 genera in 36 families.Analysis on the flora showed that:the ferns not only have strong tropical nature, but also show the obvious transitional characteristics from tropical to temperate.Most of families and genera in this flora are subtropical flora and tropical flora, while the main of species' flora is temperate flora.It includes 18 families, 38 genera and 69 species in tropical flora and subtropical flora, respectively occupying to 50.00%, 50.67% and 29.36% of the total families, genera and species.Among them, there are 14 families, 21 genera and 5 species in pan-tropical flora and 3 families, 18 genera and 158 species in temperate flora, accounting for 38.89%, 28%, 2.13% and 8.33%, 24%, 67.23% of the total families、genera and species respectively.What is said above shows that the most important flora of families and genera is pan-tropical flora, and temperate flora is the dominant flora of species, which explain tropical flora and temperate flora is intersecting and compatible.There are not endemic genera but 1 endemic species in the flora, and endemic species of China are very plentiful with 46 species and 19.57% of the total species.The flora contact with neighborhood nearly, and their geographical components are East China components predominantly.Hengshan Mountain is similar to Wuyishan and Lushan in plant flora, but farther to Wanfushan. Related Articles | Metrics

Select

Effect of the Urban Vegetation on Aero-anion LIANG Shi, TONG Qing-xuan, CHI Min-jie 2010, 39(04): 46-50.  DOI: 10.3969/j.issn.1009-7791.2010.04.013 Abstract ( )   PDF (888KB) ( )   The aero-anion concentrations above the different function areas in Xiamen city were measured to analyze not only the relationship between the aero-anion concentrations and vegetation but also the relationship between the diurnal variation pattern and temperature and relatively humidity (RH).The results indicated that the air quality was in order of large scale arboretum and park >uptown >sowntown >beach >industrial park >piazza.The aero-anion concentration was higher during night time than during day time.Over a whole day its maximum appeared in wee hours, and the minimum in noontime.The aero-anion concentrations felled with the temperature rising and rose with the relative humidity (RH) increasing. Related Articles | Metrics

Select

Study on the Classification and Application of Color-leafed Plants in Southern Fujian SHI Yu 2010, 39(04): 51-56.  DOI: 10.3969/j.issn.1009-7791.2010.04.014 Abstract ( )   PDF (875KB) ( )   123 species and cultivars of color-leafed plants, which are common in Southern Fujian, were divided into 3 series including red, yellow and silver based on the color.Among the 123 species, 36 species are of red series, accounting for 29%, 45 species are of yellow series, accounting for 37%, and 42 species are of silver series, accounting for 34%.The classification method is convenient for selection and application of color-leafed plants.The main features and characteristics of these plants were described, and their effects and applications in urban landscape were introduced in this paper.It also suggested that more research on introduction, acclimatization, rejuvenation and fast propagation techniques of color-leafed plants be carried out, and genetic engineering be used for cultivating some color-leafed plants to meet the urgent need of city landscape. Related Articles | Metrics

Select

Investigation on the Main Street Trees in Quanzhou City,Fujian Province DAI Teng-wei, HUANG Bi-li 2010, 39(04): 57-61.  DOI: 10.3969/j.issn.1009-7791.2010.04.015 Abstract ( )   PDF (839KB) ( )   Based on the investigation and statistics, the utilization frequency and the growth condition of the main urban street trees in Quanzhou City, Fujian Province were observed and analyzed.Their suitability, as urban street trees, was also probed.Furthermore, the existing problems of the urban street trees in present were pointed out and discussed, and some interrelated suggestions were put forward. Related Articles | Metrics

Select

A Quantitative Analysis on the Papers Published and Their Authors in Subtropical Plant Science from 2005 to 2009 OUYANG Hai-bo 2010, 39(04): 62-66.  DOI: 10.3969/j.issn.1009-7791.2010.04.016 Abstract ( )   PDF (780KB) ( )   The quantitative characteristics of papers, authors, time lag in Subtropical Plant Science from 2005 to 2009 were analyzed by the method of bibliometrology.The number of published papers was 463 in Subtropical Plant Science from 2005 to 2009, and the average number of each issue was 23.2, the average page of each article was 3.60.There were 277 papers subsidized by fund with the rate of 59.83% in total in these years.The papers published in Subtropical Plant Science from 2005 to 2009 consist of research reports, notes, reviews, and research reports account for the main part.The time lag of papers published in the journal was 20~400 d, and the average time was 170.6 d in recent five years.The analysis on the authors in the journal showed that the co-author rate maintained at high level (86.18 percent), but the quantity and quality of core authors'papers were what need improving. Related Articles | Metrics

Select

Tissue Culture and Rapid Propagation of Primula obconica WANG Lian-hui, FENG Yu-cai, HAN Ke-song, JIANG Yun-li, PAN De-quan, YANG Cheng-hua 2010, 39(04): 67-68.  DOI: 10.3969/j.issn.1009-7791.2010.04.017 Abstract ( )   PDF (1078KB) ( )   Related Articles | Metrics

Select

Applications of Mass Spectrometry on Plant Endogenous hormones Analysis CHEN Fei, CHEN Li-xuan, LIU Hong-zhou, CHEN Chun 2010, 39(04): 69-73.  DOI: 10.3969/j.issn.1009-7791.2010.04.018 Abstract ( )   PDF (866KB) ( )   Trace analysis of plant endogenous hormones is of great importance for illustrating the regulation mechanism of phytohormones in plants.In this article, techniques of mass spectrometry including sample pretreatment methods, gas chromatography-mass spectrometry, liquid chromatography-mass spectrometry and biological mass spectrometry are all reviewed.The development trend of mass spectrometry in plant hormones analysis is also discussed. Related Articles | Metrics

Select

Study Situation and Prospects of the Research on Morinda officinalis LIN Mei-zhen, ZHENG Song, TIAN Hui-qiao 2010, 39(04): 74-78.  DOI: 10.3969/j.issn.1009-7791.2010.04.019 Abstract ( )   PDF (844KB) ( )   Radix Morindae officinalis is one of the famous traditional Chinese medicine.Its major chemical constituents include carbohydrate, anthraquinones, iridoid glycosides, organic acids, trace element, amino acid and sterols, etc.It has the efficacy of invigorating kidney, strengthening muscle and bone, treating rheumatism, consolidating physical strength and so on.The overview on pharmacognostic identification, chemical composition, pharmacological action, disease resistance and modes of reproduction of Radix Morindae officinalis was presented in this paper.Also, the construction of callus regeneration system and the application of modern biotechnology on breed improvement, genetic transformation, polyploidy induction, cell suspension culture to extract secondary metabolites were prospected. Related Articles | Metrics

Select

Research progress on Corilagin of Phyllanthus ZHANG Shu-feng, MING Yan-lin, LIN Yi, CHEN Liang-hua, TONG Qing-xuan 2010, 39(04): 79-83.  DOI: 10.3969/j.issn.1009-7791.2010.04.020 Abstract ( )   PDF (870KB) ( )   Corilagin is a kind of natural polyphenols extracted from plants, mainly derived from Phyllanthus Linn.Studies indicated that Corilagin has a wide variety of biological features:anti-tumor, treatment of cardiovascular diseases, antioxidant, and with low adverse reactions, especially the anti-tumor and treatment of cardiovascular diseases effects, it's worth further research.The basic property, extraction and separation, and main activity of Corilagin were summarized in detail. Related Articles | Metrics