Current issue

• 2013 Vol.3 No.12 Published:20 December 2013

  Effects of Different Sowing Date and Density on the Yield and Main Traits of ‘Liaohongxiaodou No. 8’ 2013, 3 (12):  1-5.  Abstract + ( 918 )   PDF ( 1226KB )   ( 1068 ) In order to study different effects of sowing date and density on the yield and main traits of red adzuki beans variety ‘Liaohongxiaodou No. 8’, carry out two factors experiment of sowing date and density. The results showed that: sowing date and density affected yield and main traits on ‘Liaohongxiaodou No. 8’ significantly. For ‘Liaohongxiaodou No. 8’ in Liaoyang Area, the suitable sowing duration was 0th–30th June, suitable density is 19.5×104-21.0×104 /hm2.

  Breeding and Application of a Cytoplasmic Male Sterile Line Nan A6 With High Quality and Good Combining Ability in Brassica Napus L. 2013, 3 (12):  6-11.  Abstract + ( 1142 )   PDF ( 1273KB )   ( 1207 ) This study intended to improve the quality of the existing cytoplasmic male sterile (CMS) line in Brassica napus with high combining ability. The CMS line Nan A2 was used as female parent, crossed and continuous backcrossed with the conventional double low strain 92-2. Meanwhile, quality directional selection in progenies and combining ability analysis on advanced generations were adopted to accelerate the selective breeding speed of male sterile line. The results of the study were as follows. Nan A6, a new cytoplasmic male sterile line with low erucic acid and low glucosinolate, was successfully bred. It passed the examination organized by Sichuan Provincial Crop Variety Approval Committee in March 2002. It had the characteristics of stable sterility, good quality, high general combining ability, excellent agronomic traits, high outcrossing rate, strong resistance (tolerance) of lodging and diseases, wide adaptability. And Nan A6, crossed with six restorer lines, had made out of two high-yield combinations and four high-quality combinations authorized by the Provincial or National Crop Variety Approval Committee subsequently. The study indicated that Nan A6 had become one of main sterile lines in male sterile heterosis utilization in Sichuan Province, and had broad application prospects.

  Study on Combining Ability of Six Corn Inbred Lines 2013, 3 (12):  12-15.  Abstract + ( 1023 )   PDF ( 1102KB )   ( 1183 ) In the study, the combining ability of 6 newly inbred lines were analyzed with incomplete diallel crossing of NCⅡ method. The results showed that the inbred line of T0121 had higher general combining ability in yield per plant of all tested traits. It was 7.32. For special combing ability, the combinations of T0102×Ji853, T0107×Ji 853, T0121×Qi319 and T0139×Mo17 were 6.80, 9.65, 6.37, 6.32, respectively. For the comprehensive performance between general combining ability and special combing ability, there is a good application prospect for inbred line T0121 and combination T0121×Qi319.

  Study of Detection Technology Using Test-tube Plantlets of Ipomoea Setosa Test the Viruses in Test-tube Plantlets of Sweet Potato 2013, 3 (12):  16-22.  Abstract + ( 1140 )   PDF ( 1283KB )   ( 1392 ) In order to improve the detection technologies of the viruses in test-tube plantlets of sweet potato, we have been rapid propagation the test-tube plantlets of ipomoea setosa in the medium “MS+IBA 0.2 mg/L” using the growing point on the stem of Ipomoea setosa that sprouting by the seeds in the medium “MS+GA3 2.0 mg/L”. Grafted the test-tube plantlets of sweet potato and the test-tube plantlets of Ipomoea setosa and cultured in the medium “MS0” in vitro, after 15 days. The leaves of the test-tube plantlets of Ipomoea setosa that grafting with the test-tube plantlets of sweet potato infected by the virus become yellowing or floral leaf. The test-tube plantlets of ipomoea setosa that grafting with the test-tube plantlets of sweet potato no virus infection can normal growth. Cultured the test-tube plantlets of Ipomoea setosa that infected by body fluid of the sterile test-tube plantlets of sweet potato through the wounds in stem in the medium “MS0” in vitro, after 15 days. The leaves of the test-tube plantlets of ipomoea setosa that infected by containing the virus body fluid of the sterile test-tube plantlets of sweet potato become yellowing or floral leaf then exsciccation. The test-tube plantlets of Ipomoea setosa that infected by no virus body fluid of the sterile test-tube plantlets of Sweet Potato can normal growth, both methods can displace the old methods that “Grafted the plantlets of Sweet Potato and the plantlets of ipomoea setosa in net room”. It has the advantages of high sensitivity, low cost, easily controlled culture conditions, not limited by season, not affected by the external environment, etc.

  Prevention and Control Technology on Empoasca flavescens Fabricius and Eetropis Oblique Hypulina Wehrli 2013, 3 (12):  23-27.  Abstract + ( 1047 )   PDF ( 1263KB )   ( 1188 ) There are two major pests in most of the tea garden in China. In order to decline the diseases by the two pests and reduce the loss. these had been to develop and promote a batch of synthetic pesticides. Such as Endosulfan, Dipterex, 2-dichlorovinylphosphate, Phoxim, Buprofezin,Carbamic acid, Imidacloprid, Acetamiprid, Cyfluthrin-beta, Bifenthrin.these control Empoasca flavescens Fabricius. and it control Eetropis Oblique Hypulina Wehrli that the Pesticide as Dimethrin、Fenpropathrin fenpropanate、Cartap hydrochloride dihydronereistoxin dicarbamate kartap neristoxin dicarbamate manohydrochloride、Diflubenzuron、Organic phosphorus and so on ,But it been found that some of the pesticides has great harm on the environment and human body with using for long time. So some pesticides have been disabled or restricted, and the insects have high resistance, the control effect descend root in drug concentration increased gradually. Therefore, It is imperative to explore and promote new alternative pesticides.this study was carried out on the two pests damage situation in the field of the continuous research for many years, The regular pattern have been founded in NanChang JiangXi of the two pests. Several new chemical drug, biological drug and plant source agrochemical drug have been experiment in the field for controlling Empoasca flavescens Fabricius and Eetropis Oblique Hypulina Wehrli. Indoxacarb can prevention and cure the two, Clorfenapyr can prevention and cure Empoasca flavescens Fabricius.And it have good effect on control Empoasca flavescens Fabricius and Eetropis Oblique Hypulina Wehrli that ChaChanJing,matrine and Bacillus thuringiensis. It summarized two kinds of the main technical points to prevention and cure Empoasca flavescens Fabricius and Eetropis Oblique Hypulina Wehrli in the pollution-free tea plantations, green and organic tea garden.

  Analysis of high performance liquid 20% dinotefuran suspension chromatography 2013, 3 (12):  28-31.  Abstract + ( 1182 )   PDF ( 1296KB )   ( 1834 ) In order to solve dinotefuran SC insufficient content analysis methods, as well as when using liquid chromatography mobile phase selection, instrument conditions to determine the problems encountered when this article Shimadzu LC-10AT liquid chromatograph based, the use of 2.5 cm×4.6 mm stainless steel, built-C18, 5 μm packing, acetonitrile+ water+ acetic acid+ triethylamine as mobile phase dinotefuran suspending a body of content for testing. The results showed that the use of mobile phase conditions and instrumentation, dinotefuran, the content did not exist an effective body isomer peaks overlap. Peak and impurity peaks best peak shape was good. The research showed that 20% dinotefuran SC analytical methods proposed not only to fill the total content of the neonicotinoid insecticide analytical method blank and determination convenient, accurate, feasible and beneficial to producers for quality control.

  Research on Distinguishing the Rural Type When Monitoring and Evaluating the Rural Soil Heavy Metal Pollution 2013, 3 (12):  32-35.  Abstract + ( 956 )   PDF ( 1233KB )   ( 1207 ) In order to establish the applicable method to monitor and evaluate the rural soil heavy metal pollution, the method and its importance of distinguishing the rural type were proposed, which were based on the study of typical rural cultivated land in Guangdong through comparing the difference between the overall evaluation and the classified evaluation. The results showed that: in 4 types of pilot villages, the soil in industrial village was polluted the most heavily. Different type of villages had the different particular soil heavy metal pollutants, the soil in planting-village was polluted by Cd more frequently, the soil in industrial village and the other type village was polluted by As more frequently. By means of this method, the particular pollutants in different type of rural soil could be revealed easily. It’s helpful to analyze the pollution source.

  Ecological Cycle and Industrial Promotion Strategy of Soil Erosion Preliminary Control in Southern Red Area: Based on Empirical Analysis of Changting, Ninghua and Pinghe 2013, 3 (12):  36-41.  Abstract + ( 1124 )   PDF ( 1428KB )   ( 1430 ) In order to change the growth mode of traditional agriculture, effectively alleviate contraction between population, resources and environment, and consolidate the achievement of soil erosion controlling, the author analyzed agricultural development status and achievement of cycle agriculture in soil erosion elementary controlling area, and case study were conducted in Changting County, Ninghua County and Pinghe County in Fujian Province. In this paper, it proposed technical measures about further maintaining ecological balance and virtuous agricultural circle, and enhancing the special industries, combined with regional ecological environment and actual production. The detail technical measures were following: (1) emphasizing built quality demonstration bases; (2) building recycling agricultural park based on regional advantages; (3) making some measures to increase vegetation coverage; (4) innovatively cultivating the new sunrise industry; (5) strengthening the basis of comprehensive prevention and control with multiple inputs; (6) promoting ecological civilization and sustainable development.

  The Introduction and Key Cultivation Techniques of ‘Black Prince’ Tomato for the Mountainous Areas 2013, 3 (12):  42-44.  Abstract + ( 1009 )   PDF ( 1138KB )   ( 1494 ) Abstract: As an upscale functional fruit as well as vegetable, black prince tomato has a broad development prospect for it contains much more lycopene, anthocyanin, vitamin C, vitamin E, niacin, folic acid and antioxidant than red tomatoes. Suichang County, located in the southwestern part of Zhejiang province, has introduced and grown black prince tomatoes in the mountainous areas of high altitude. Through observing the properties and performance of the black prince tomatoes from the early stage of sowing and seedling, to the sequent cultivation stages of field planting, nutrient and water management, and harvest process in Suichang, the researchers have summarized the key cultivation techniques that are effective in mountainous areas, such as greenhouse cultivation as shelter, early seedling in difference places, and drip irrigation under plastic film, leading to a considerable output value of ￥150,000 per 1hm2 and providing significant guidance for the development of black tomatoes in the mountainous areas of Suichang.

  The qualitative and quantitative study on the anthocyanosides in the Photinia serrulata red pigment 2013, 3 (12):  45-47.  Abstract + ( 1023 )   PDF ( 1298KB )   ( 1344 ) Photinia serrulata ，which was been widely used for landscape, was a new kind of cross-breeding plant from rosaceae. Nowadays, photinia serrulata has been found everywhere in China, however, it was rarely studied on the utilizing of its leaves. The separation of red pigment of photinia serrulata was by the macro porous adsorption resins and it was affirmed that the anthocyanosides were the main ingredients. According to two simply methods to measuring the anthocyanosides’ content, the content of the pigment from this study was measured as 13.5% and the color value was 45.6.

  Analysis and Evaluation on Nutritional Components in Tender Leaf-bud of Rare Woody Vegetable, Bretschneidera sinensis 2013, 3 (12):  48-51.  Abstract + ( 972 )   PDF ( 1216KB )   ( 1478 ) The nutritional value and ingredients in tender leaf-bud of wild Bretschneidera sinensis were examined according to relevant national standards, and compared with common vegetables by the literature query. The results showed that the contents of protein, fat, water, crude fiber and ash in tender leaf-bud of Bretschneidera sinensis were 26.7 g/100 g, 2.9 g/100g, 75.3 g/100 g, 3.0% and 8.0%, respectively. The content of ascorbic acid was 1.27 mg/100g. The contents of mineral elements Ca, P, Mg, Mn, Fe, Cu, Se and Zn were 72.34, 79, 34.67, 0.47, 3.02, 0.38, 0.00165 and 0.21 mg/100 g, respectively. There were 16 kinds of amino acid in it with the total content 3599 mg/100g, and nitrate and nitrite were not detected in it. It was rich in selenium with high nutritional value, and had the good edible value and the health care function.

  Occurrence and management suggestions on Jatropha virus diseases 2013, 3 (12):  52-55.  Abstract + ( 1034 )   PDF ( 1581KB )   ( 1185 ) Physic nut (Jahopha curcas L.) is one of the most promising trees for produce biofuel around the world, thus the planted area are increasing rapidly in recent years in China. But the problem of pests and disease consequently, especially, need to pay attention to the Jatropha mosaic virus transmitted by Bemisia tabaci which caused serious production lost. In this paper, the related literature was analyzed based on the author investigation at several places, and the virus occurrence, symptoms, transmission and new strains detecting were reviewed in order to give rise attention to planter and management department. Furthermore, integrated management suggestions for the Jatropha virus disease control based on resistant variety culturing and using, control the pest for disease prevention were provided as well.

  Study on the Construction of Ecological Landscape Forest in North China 2013, 3 (12):  56-59.  Abstract + ( 1013 )   PDF ( 1425KB )   ( 1132 ) In recent years, the construction of ecological landscape forest has witnessed remarkable, but has a series of problems yet. Based on the analysis of ecological landscape forest situation in the world, the author analyzed the existing problems, proposed construction principles and forecast the direction of research on the ecological landscape forest.

  Based on the different economic conditions of jilin maize production mechanization Division pattern research 2013, 3 (12):  60-63.  Abstract + ( 923 )   PDF ( 1929KB )   ( 1163 ) To determine cities of jilin province maize production mechanization dominant model, improve the comprehensive level of mechanization of corn, corn production capacity and level of economic development, farmers' purchasing power, mechanization level and the natural conditions and five factors are the main factors of corn mechanization production mode, and corn yield and per capita GDP, per capita net income of farmers, corn farming to collect the comprehensive level of mechanization, hilly accounted for as a measure. Use of Q - type system clustering analysis method, the jilin province maize mechanization production mode in regional classification, could be divided into three areas of jilin province. On the basis of analyzing the regional characteristics, and puts forward the regional corn mechanization of the dominant mode of production.

  Research on Service Support System of Efficient Ecological Agriculture in Yellow River Delta 2013, 3 (12):  64-68.  Abstract + ( 904 )   PDF ( 1322KB )   ( 1233 ) In order to promote the sustainable development of efficient ecological agriculture in the Yellow River delta further more, the four service support systems including the policy and regulations, agricultural standardization, industrialization of agriculture and agricultural social service are put forward, and focus on improving and perfecting the agriculture administrative execution and the public finance operating mechanism including supporting agriculture growth and investment mechanism. To promote the establishment of a control system of crop pests and animal diseases, the agricultural product standardization, quality and safety supervision and market access are strengthen, and the regional control resources of animal and plant pests are integrated. Based advantageous industries, agricultural tap enterprise and famous brand are developed strongly, and the farmer specialized cooperation organization are grown rapidly. And the supportive capacity of technology to support the development of efficient ecological agriculture are improved, the public services ability of the agricultural extension system in the countryside are strengthened, training among the new farmers are reinforced, employment services for moved farmers are consummated, and rural service system of informationization and mechanization are built too.

  Adaption of Grain Production to Climate Change and Its Public Participation in Northeast China 2013, 3 (12):  69-73.  Abstract + ( 872 )   PDF ( 1167KB )   ( 1203 ) In order to seek the solution to deal with climate change issues, data set including acreage and yield of wheat, corn and rice from 1978 to 2008 in northeast China were collected. Based on these data, the author investigated the proportion of grain sown area and grain cultivation structural changes. The impact differences of climate changes on wheat yields, corn yields, and rice yields were analyzed by adopting linear regression analysis and comparative analysis methods. It was found that global warming drove the agricultural planting structure adaptive changes took place in northeast China. This was people’s initiative to tackle with climate change performance. This study also found that the adaptation of agriculture was due to the public initiative rather than the government program. The author proposed that since public participation tended to be the core strategy to cope with climate change, as part of the public the agricultural enterprises and rural residents should be deeper involved in setting cultivation schedules as responds to the adaption of climate change in northeast China. For the purpose of responding and adapting to climate change more effectively, transformation of agricultural facilities and promotion of new varieties of crops should be adopted properly.Keywords: Public Participation, Northeast China; Climate Change; Adaptation

  Discussion and Analysis on the Current Situation and Promoting Approach of the Peasant College Students’ Learning Power 2013, 3 (12):  74-78.  Abstract + ( 892 )   PDF ( 1214KB )   ( 1200 ) Learning power is the most essential and core ability of the social individual in the learning society which advocates all people learning and life-long learning. Learning power mainly consists of learning motivation, learning perseverance, learning ability and learning transition. The research was carried out to investigate and analyze the current situation of the peasant college students’ learning power in Zhejiang province. The results indicated that they were older, poor learning foundation, weak learning power and so on. Based on the results, the promoting approach of the learning power was put forward from three aspects: student, teacher and school.