Current issue

• 2014 Vol.4 No.7 Published:20 July 2014

  Effects of Polyethyleneglycol (PEG) Simulated Drought Stress on Seed Germination Characters in Maize 2014, 4 (7):  1-4.  Abstract + ( 1249 )   PDF ( 1174KB )   ( 1246 ) In order to explore the germination character of maize seed under soil drought stress condition, we simulated different drought stress degrees by different polyethyleneglycol (PEG) solution. With four maize varieties as test material, we studied and analyzed seeds germination situation in PEG simulated drought stress. The results showed that corn seeds geminated indexes existed significant delayed effects with increasing PEG concentration. With the concentration enrichment, seeds germination percentage, germination potential and mean germination speed showed a downtrend, days in first seed germinated and days in seed germination peak delayed one day to three day. The length of seedlings radicle, hypocotyl and whole plant was restrained in different PEG concentration. The effect is remarkably different in four maize varieties with different grains. It explained that smaller grain corn seed had faster germinating ability in some degree of soil drought stress, whereas, the bigger grain corn seed showed stronger drought resistance.

  Analysis on Crop Productivity, Stability and Adaptability of Maize Hybrid “Changdan 525” 2014, 4 (7):  5-7.  Abstract + ( 1130 )   PDF ( 1185KB )   ( 1037 ) Abstract: In this paper, according to the results of spring sowing special early mature maize regional tests in Shanxi province during 2008- 2009, special early mature maize hybrid “Changdan 525” was analyzed. A lot of analysis methods were adopted including the main effect amount, coefficient of variability,reliability of standard deviation, regression coefficient, high and stable coefficient and so on. The results showed that it's a good maize hybrid and had large crop potentiality, high and steady production and wide adaptation.It was adapted to be widely sowed in spring maize early mature regions in Shanxi province ,Taihang and Taiyue regions ,summer sowing regions and other corresponding ecological regions.

  Effect of chromosomes of Leymus racemosus on photosynthesis and yield character in wheat 2014, 4 (7):  8-12.  Abstract + ( 1350 )   PDF ( 1617KB )   ( 1104 ) Leymus racemosus is a close relative of wheat and plays important roles in wheat improvement. A series of wheat-L.racemosus addition lines and substitution lines had been produced. There is less report about the study on the effects of exogenous chromosomes of L. racemosus on photosynthesis and yield character. Understanding its character of the chromosomes harboring the useful genes would provide information for transformation or introgression of genes. Net photosynthetic characteristics of 10 Chinese Spring- L. racemosus addition lines and substitution line and their wheat background Chinese Spring were studied at the stage of early filling by Photosynthesis System, and the yield traits were investigated after harvest. The results showed that photosynthetic rate were lower of the 10 lines were lower than Chinese Spring, but most of the difference was not significant. Chromosomes E had Positive effect on water use efficiency. Chromosome E, J could increase wheat grain weight per spike and 1000-grain weight. The addition lines with high grain weight could be used for breeding.

  Study on The Applying Method of Rice Hull in Rice Organic Cultivation 2014, 4 (7):  13-18.  Abstract + ( 1430 )   PDF ( 1779KB )   ( 1056 ) In order to find the best applying method, quantity and the effect on the rice growth, the experient of rice hull as silicon fertilizer was done in the field with the Japanese rice variety Koshihikari-2 on the base of the researches of 2011.The result shows that applying rice hull adequately as basal fertilizer can control the growing of earlier period and make the growing of later period steady, shorten the length between the basal joins, improve the plant-type, increase the power of lodging-risistance and disease-risistance and raise its rate of tiller into spike and effect ear grain. By the way of applying 1kg/m2 of rice hull as basal fertilizer before transplanting, the yield is up to 414.3kg/666.7m2 , increased 10.4% comparing with the 374.5kg /666.7m2 of the control . Their grain yield increasing effect were signifficant.

  Studies on Formulation Selection and Physico-chemical Properties of Super Micro-powder Rape Seed-coating Agent 2014, 4 (7):  19-23.  Abstract + ( 1268 )   PDF ( 1311KB )   ( 970 ) This study aims to create a kind of superfine powder rape seed coating agent as reference for the research, application, and evaluation of new rapeseed coating agents through the screening on the three self-made superfine powder rape seed coating formulas to detect the best formula and coating ratio, and the physical and chemical properties based on the indoor germination emergence and seedling quality test. The results showed that the WFY-1 is the best formula with the optimized agent and seed ratio of 1: 300, pH value of 6.89, the viscosity of 12.3 mPa/s, forming-film time of 7.8 min, coating uniformity rate of 97.5%, and coating detached rates of 3.1%, which lead to the conclusion that WFY-1 could promote germination, enhance adult seedling rate, and improve seedling qualities of capsicum seeds with the outstanding physical and chemical properties, and the general effects of this capsicum seed seed-coating agent are better than those of the import agent used in this experiment.

  Field Efficacy Trial of Different Fungicides on Controlling Powdery Mildew of Cucumber 2014, 4 (7):  24-25.  Abstract + ( 991 )   PDF ( 1100KB )   ( 1170 ) In order to determine the control efficacy, field trials were carried of with kresoxim-methyl 30% suspension concentrate(SC), kresoxim-methyl 60% water dispersible granule(WDG) and Trichoderma harzianum 3 billion cfu/g wettable powder(WP) to control powdery mildew of cucumber. The results showed that, all fungicides have excellent control efficacy, and two successive fungicide applications enhances the control efficacy significantly. the control efficacy of kresoxim-methyl 30% SC 1000 times liquid was 70.34% on 7 days after the 1st spraying, and the treatments of Trichoderma harzianum 3 billion cfu/g WP have a certain rapid action, meanwhile, slightly better than kresoxim-methyl 60% WDG on control efficacy, the control efficacy of 250 times liquid reached to 79.98%. Most control efficacy were higher than 85% in 7 days after the 2nd spraying, two of these, kresoxim-methyl 60% WDG 2000 times liquid and Trichoderma harzianum 3 billion cfu/g WP 180 times liquid, up to 96.37% and 97.10% respectively. Therefore, it was recommend that alternate use of the Trichoderma harzianum and others in the field application.

  Preliminary Report on the Study of the Control on Soybean Aphid with Intercropping of Soybean and Garlic or Chinese Onion 2014, 4 (7):  26-28.  Abstract + ( 935 )   In order to confirm the effect of intercropping of soybean and garlic or Chinese onion on soybean aphid, the author has made a survey in the fields with soybean monocropping, soybean garlic intercropping and soybean Chinese onion intercropping by chessboard-sampling method. The survey date was from full incidence beginning period to harvest time of garlic or Chinese onion later 2 weeks. The survey was made every seven days. The results showed that the numbers of soybean aphid in fields by intercropping of soybean and garlic or Chinese onion were lower than soybean monocropping’s. It is possible to control soybean aphid with different tillage methods of crops.

  Research of the Effect of Biological Agents on Growth of Flue-cured Tobacco 2014, 4 (7):  29-33.  Abstract + ( 1017 )   PDF ( 1276KB )   ( 1132 ) To disguss the influence on growth of flue-cured tobacco which comes from the usage of biological active agent, this research used three dosages of biological active agent in three test fields, and in contrast by a test field without biological active agent, then determined the agronomical characters, disease resistance, economic characters, appearance and innherent quality of primordial tobacco leaves. Results of ANOVA and T-test showed that the test fields which were used biological active agents, were better than contrast condition in agronomical characters, disease resistance, economic characters and innherent quality of primordial tobacco leaves in different degrees. And what’s more, the above indexs under the 2.25L/hm2 usage condition were significantly better than the 0.75L/hm2 and 1.5L/hm2 usage conditions. All the above results suggested that the usage of biological active agent has significant effect on the agronomical characters, disease resistance, economic benefits and innherent quality of primordial tobacco leaves.

  Effect of Increasing Application of Secondary and Micro-element Fertilizers on Soybean’s Growth and Yield 2014, 4 (7):  34-36.  Abstract + ( 1163 )   PDF ( 1124KB )   ( 1114 ) For the purpose of superiority of secondary and micro-element fertilizers. Under field conditions, with Heinong No.48 (Glycine max) soybeans as materials and set no fertilization, conventional fertilization, micronutrient fertilizer treatments, researched on secondary and micro-element fertilizers on soybean growth and yield influence. The results showed that the secondary and micro-element fertilizers application can improve the different development stages of the soybean plant height, dry matter accumulation and chlorophyll content (SPAD). Compared with no fertilizer and conventional fertilization, secondary and micro-element fertilizers increase yield by 14.5% and by 4.7%. Their difference was up to significant level and very significant level. Therefore, secondary and micro-element fertilizers application on soybean production plays a positive role in promoting.

  The Study on the Present Situation and Protection of Wetland Resources of the Lake-AHA National Wetland Park in Guiyang 2014, 4 (7):  37-40.  Abstract + ( 1019 )   Based on field investigation and literature review, the author analyzed the type, area and distribution of wetland resources of the Lake-Aha National Wetland Park in Guiyang, and analyzed the factors restricting the wetland resources, and provided the resources protection strategies and measures for Wetland Park of Lake-Aha, so as to provide references for the protection, management and construction of the Wetland Park Lake-aha.

  Analysis of Current Management Condition and Sustainable Development Countermeasures on Water Resources Conservation Forest in Qilian Mountains 2014, 4 (7):  41-44.  Abstract + ( 964 )   PDF ( 1164KB )   ( 1312 ) In order to achieve sustainable management of water resources conservation forest in the Qilian Mountain, improve the unreasonable forest structure and increase function of the ecosystem. On the basis of field investigation, using the method of ecology, the author analyzed the problems existing in the Qilian Mountain water conservation forests ecological restoration and protection, such as stand density, low quality, divided, poor natural regeneration, plant diseases and insect pests and management system and so on. Countermeasures were proposed. In order to increase the productivity of Qilian Mountain water conservation forests ecosystem and self-sustaining capacity and environmental capacity, the author suggested that strengthen the function of the ecological environment, safeguard the sustainable development and social economy of Qilian Mountain and Hexi Corridor. People should establish a long-term protection mechanism, carry out the artificial afforestation, scientific management, strengthen vegetation restoration technology research and promotion.

  Study on the diversity of aquatic plants and application in Changsha city 2014, 4 (7):  45-50.  Abstract + ( 1003 )   PDF ( 1516KB )   ( 1201 ) 66 Species of aquatic plants have been counted through the preliminary investigation in water areas and wetlands of Changsha, they belong to 35 families and 54genera, including 40 species of emergent plants, 9 species of leaves floating plants, 6 species floating macrophytes, and 11 species submerged macrophytes. we analyzed the diversity of aquatic plants, and their habits and function. The study provide the theoretical basis for the introduction and protection of aquatic plants.

  Reserch Progress on Nutrient Fluid Waste Recycling 2014, 4 (7):  51-53.  Abstract + ( 1095 )   PDF ( 1055KB )   ( 1715 ) According to the several processing stages of soilless culture nutrition waste liquids, this paper induced the ultraviolet, ozone, heat, sand filtration and sterilization and comprehensive sterilization, the active carbon and nano TiO2 catalyst to remove organic acid and other toxic substances, temperature and nutrients-online monitoring and deployment device, and multistage absorption, planted with fish about subsequent utilization, at the end of paper the prospect of waste liquids also mentioned, in order to provide reference for future effective use of soilless culture nutrition waste liquids and reduce pollution on the environment.

  Analysis of Functional Guild and its Ecological Characteristics of Macro-soil-fauna in Mountain Apple Orchards 2014, 4 (7):  54-56.  Abstract + ( 978 )   PDF ( 1267KB )   ( 1202 ) In order to research the function groups and its ecological characteristics of Marco-soil-fauna of mountain apple orchard, and used to guide in the apple orchards of diseases and pests control. In September 2011 (autumn), November (winter), in March 2012 (spring), June (summer), the function groups and its ecological characteristics of Marco-soil-fauna have carried out preliminary investigation at mountain apple orchard in Liu Lin Town of Yan’an city. A preliminary study on the macro-soil-fauna guilds was done, which took combining research methods of field investigation sampling, fixed point dynamic observation and laboratory identity classification. 289 macro-soil-faunae were taken and the individuals belong to 11 orders, 5 classes and 3 phyla, including Coleoptera larvae 4 families and Coleoptera adult 5 families. Yan’an Liu Lin Town in mountain apple orchard of macro-soil-faunas can be divided into Saprozoic, Phytophage and Predators and Omnivores four functional groups. The research shows that in the various functional groups, Phytophage accounted for the largest share, followed by the Predators and Saprozoic minimal proportion; function groups of Macro-soil-fauna in terms of composition have relative stability.

  Compare on different methods of Chilling tolerance identification of Lagerstroemia indica L. Varieties 2014, 4 (7):  57-63.  Abstract + ( 1036 )   PDF ( 1662KB )   ( 1156 ) In order to analyze the differences on chilling tolerance of different Lagerstroemia indica L. varieties, the conductometry method , chlorophyll fluorescence method and NMT method were employed to measure various chilling tolerance parameters and their variation regularities in seven Lagerstroemia indica L.varieties. Through comparing with the field observation to research the effect of low temperature on chilling tolerance parameters of Lagerstroemia indica L. seedlings and the relationship between different appraisal methods and the chilling tolerance of different Lagerstroemia indica L.varieties.

  Briefly Explore the Selenium-rich Traditional Chinese Medicine Industry of Gansu Province 2014, 4 (7):  64-67.  Abstract + ( 1121 )   PDF ( 1097KB )   ( 1223 ) Selenium-enriched industry was in its nascent stage but the industry quickly grew. Many government departments actively developed Selenium-enriched characteristic industry and created Selenium-enriched brand according to local resources advantage and market prospect. Se-rich medicines were cultivated and developed as a new economic growth point and industrial chain in traditional Chinese medicine industry. This paper described the effect of selenium on the human body and the influence on plant growth, and analyzed the development value and applying state of Se-rich product and the market of Se-rich medicines industry. According to its development situation in Gansu Province, the paper pointed out its potential of further development and existent problems, and putted forward some suggestions and countermeasures.

  Research advances in comprehensive utilization technology of banana by-products 2014, 4 (7):  68-72.  Abstract + ( 1171 )   PDF ( 1275KB )   ( 1847 ) On the basis of the facts that banana stalk, leaves and peel resources were abundant and the utilization of them was not full in China, combining with research situations both at home and abroad, this paper summarized Nutritional value and comprehensive utilization of banana by-product, analysis the factors restricting the banana by-product utilization efficiency and the problem, pointed out that banana by-product is a great potential development prospects of agricultural resources, Provide a reference for the banana by-product utilization.

  Camellia development planning of Xin Yang 2014, 4 (7):  73-77.  Abstract + ( 1073 )   PDF ( 1328KB )   ( 1162 ) The two district seven Xinyang County as the object, make reasonable planning for the development of Camellia oleifera Industry Based on the tea industry survey. Xinyang existing Camellia 15000hm2, planning completed planting base total area will reach 26667hm2; 8.8hm2 existing seedling base, planning will be built with seed breeding base 14.3hm2; planning and construction of development research center of the 1 Department, technology center for the promotion of the development of more than ten, the research center of the task; make plan of construction, tea processing enterprises circulation system construction, industry supervision system construction, and the progress in the implementation of planning is the arrangement and planning the implementation of efficiency are discussed.

  Near-infrared Model for Testing Castor Seed Oil Content 2014, 4 (7):  78-81.  Abstract + ( 1130 )   PDF ( 1318KB )   ( 1218 ) Rapid determination of castor seed oil content, quality traits, and shorten the time of purchase inspection used in this Perten DA7200 near-infrared analyzer determination of near-infrared spectral values of the ricin samples. And the castor oil content of the samples determined by conventional chemical analysis methods, and the two fit the calibration model, these two fit to establish the calibration model. The results showed that: The oil content of was 0.9655, the deviation of the calibration equation was 3.913e-06. Prove the predictive capability of the calibration equation was excellent, can use it to replace the traditional measuring method for the determination of castor oil content of castor site acquisition.

  On the Current Research Situation of Amelanchier alnifolia 2014, 4 (7):  82-84.  Abstract + ( 1290 )   PDF ( 1226KB )   ( 1431 ) Abstract:This article discussed the current research situation of Amelanchier alnifolia from seven aspects such as germplasm, ecological adaptation, planting technology, nutritive function, processing and utilization, Soil and Water Conservation and Landscaping, and the author put forwards some problems and development directions of Amelanchier alnifolia in the future, which has great significance to the industrial development of Amelanchier alnifolia.

  Discussion of Development Strategy About Chinese Under-forest Economic Industry 2014, 4 (7):  85-88.  Abstract + ( 1113 )   PDF ( 1066KB )   ( 1508 ) As a new way of forestry production and economic phenomenon, under-forest economic has rich production value and scientific content. The development of under-forest economic is the urgent need to consolidate the achievement of the reform of collective forest right system and promotes green growth. Based on the conception and feature of under-forest economic, this paper analyzed and evaluated the research status and developing evolvement of Chinese under-forest economic, and fatal significance of developing under-forest economic. The paper had put forward the development countermeasure of industry planning, service system, government input, talent team, base construction, quality supervision management and etc, in order to provide some ideas for the sustainable development of Chinese under-forest economic.

  Antifungal Effects in Nitro of Oregano Oil Rot-Causing Fungi and Their Resistance 2014, 4 (7):  89-91.  Abstract + ( 1138 )   PDF ( 1258KB )   ( 1042 ) This paper explored the antibacterial effect and mechanism of natural plant extract oil on vegetable pathomycete.It not only measured the antibacterial activity and periods of oregano oil for botrytis cinerea and phytophthora capsici by using traditional Chinese medicine (TCM) bacteriostatic experiment method ,but also studied the resistance of oregano oil under different conditions.It turned out that oregano oil have obvious inhibitory effect on the above two kinds of fungi,and the bacteriostatic effect and concentration were positively correlated,the developing 3d EC50 were 0.4076、0.4626 mg/ml separately,and the bacteriostatic period was mainly in fungal rapid growth period so that the rapid growth phase could lag.Resistance experiments showed that these two kinds of pathogenic bacteria strains were extremely sensitive to oregano oil.

  The Progress in Applications of Ultrasonic Technique in Extraction of Polyphenols from Plant 2014, 4 (7):  92-95.  Abstract + ( 1044 )   PDF ( 1192KB )   ( 1486 ) In order to promote the application of ultrasonic technique in plant polyphenols, this paper summarized the application of ultrasonic technique in the determination and extraction of plant polyphenols, and introduced the method to optimize technological parameters of ultrasonic extraction in extraction of plant polyphenols. Pointed out that the ultrasonic technique was widely used in the determination of plant polyphenols, as well as in the extraction of total polyphenols, tannin, flavonoids and the monomer of polyphenols. The ultrasonic power and frequency, ultrasonic time and temperature, extracting solvent and ratio of solid to liquid were the main factor influencing the extraction efficiency of polyphenol, using orthogonal design experiment and response surface design experiment can improve the extraction efficiency. Ultrasonic technique is suitable for the extraction of plant polyphenols, there would be broad application prospects in the field.

  Problems and Countermeasures of Plant pathology course Practice teaching of Agronomy specialty 2014, 4 (7):  96-99.  Abstract + ( 964 )   PDF ( 1345KB )   ( 1278 ) Plant pathology is an applied curriculum in agronomy. Practice course put forward higher requirements for teachers. The practice of teaching effects directly influence students’ learning interest and learning effect, Through this study, we summed up the existing weaknesses in the past the traditional practice of teaching, analyzes the reasons from the teaching methods, practice base construction and students themselves three aspects. Base on the modernization of teaching methods in the teaching process, the teaching contents, teaching methods and assessment methods of plant pathology practice teaching reform, explore to strengthen students' practice base construction, improving teachers’ practical skills and improve the ability of the students' understanding of science and technology as the foundation, the reasonable appraisal standard for auxiliary efficient teaching pattern, to cultivate applied talents.

  Analysis on Main Body of Agricultural Technology Innovation and Related Problems in Shanxi 2014, 4 (7):  107-110.  Abstract + ( 1028 )   PDF ( 1068KB )   ( 1054 ) Based on the surveys and relative dates, this thesis attempts the main body formation of agricultural science and technology innovation in Shanxi, analyzes the problems of innovation from the parts, talent and environment, puts forward a number of measures such as giving the status of innovation, connecting main body of it, attracting and training talent, improving market environment in order to develop the agricultural science and technology in Shanxi

  From Fairness and Efficiency to Analyze Government Responsibility in New Rural Cooperative Medical System 2014, 4 (7):  111-114.  Abstract + ( 1087 )   PDF ( 1179KB )   ( 1217 ) Fairness and efficiency, which are the two aspects of the social security issues, have been affecting the construction and reform of the new rural cooperative medical system in China. As a new type of rural social security system with fund of comprehensive arrangement for serious disease which gains government support and farmers help each other, since new rural social security system implemented , although it has made some achievements, there are still recessive and dominant many issues. In this article, through the analyzing problems of the new rural cooperative medical care system in the implementation process , the government are pointed out that they should undertake corresponding responsibility from the perspective of fairness and efficiency. The efficiency improving increasingly at the moment, we should emphasize fairness so as to improve the security level of the new rural cooperative medical care system.

  The Empirical Study of Qingdao Development Zone of Basic Public Services:In Case of Public Health and Basic Education 2014, 4 (7):  115-120.  Abstract + ( 999 )   PDF ( 1498KB )   ( 1074 ) This paper selected medical institutions in the number of beds per thousand, the number of doctors per thousand, the number of primary school teachers per capita burden of students, secondary school teachers per capita burden of a representative number of students, and several other indicators from both outputs and inputs respectively in Qingdao seven districts and five cities between public health and education differences between these two basic public services were analyzed and compared. The results showed: Qingdao five prefecture-level city in basic public services overall level of public health services was low, but the overall gap was shrinking; basic education capacity in recent years, Qingdao has been enhanced, but the overall gap was gradually widening; regional medical gaps in health services was significantly greater than the gap in education.

  Present situation and thought of farmer specialty cooperative organization in Sanming city 2014, 4 (7):  121-124.  Abstract + ( 1022 )   PDF ( 1217KB )   ( 1170 ) This paper describes the development situation of farmer specialty cooperative organization in Sanming city.the local government pays more attention to the further management work of farmer specialty cooperative organization，which makes deep investigation and study，analyses the main problems of farmer specialty cooperative organization in Sanming city. The document is released by local government，which makes farmer specialty cooperative organization play a greater role in the development of modern agriculture and increases farmers' income.