Abstract:A 2.1 kb segment of the third intron of the porcine POU1F1 gene was amplied by PCR Two polymorphic fragments of 1. 68 kb(C allele) and 0. 85/0. 83 kb(D allele) were observed. DNA was from five breeds, which were Landrace, Duroc, Xiaomeishan, Xiangzhu, Jia

Abstract:VP 2-4-3 gene of very virulent infectious bursal disease virus strain SH95 (vvIBDV) was applied by Long and Accurate-PCR(LA-PCR). Then VP2-4-3 gene was ligated into eukaryotic expression vector pALTER-MAX by cohesive ends. It was proved by enzyme-digestio

Abstract:In order to get rice line with high yield and good quality, an early indica rice variety Zhou 903 with good quality was backgross with 4384, a rice line with high yield. Both phenotypic selection and CAPS (Cleaved amplified polymorphic sequence) marker as

Abstract:Eighty-two rice varieties, including rice landraces collected from 17 villages in Yunnan Province of China and three standard varieties representing typical Indica and Japonica ecotypes, were studied by using simple sequence repeat (SSR) markers to estima

Abstract:The foreign fiber-improving gene, a rabbit keratin gene driven by a fiber-specific E6 promoter, was introduced into Cotton (Gossypium hirsutum L. ) plants of the cultivar Sumianl6, Simi-an167, Yumianl, and H1, by means of pollen tube-mediated transformati

Abstract:Three types of field-grown cotton (Gossypium hirsutum L. ), Bt-transgenic boll-worm resistant variety, colored lint variety and conventional variety were examined for their characteristic of diurnal photosynthesis by using Li-6400 portable photosynthesis

Abstract:Pot experiment and bioassay for the allelopathy effect of living rice extracted from fresh leaf on the barnyargrass Echinochloa crus-galli. (L. ) were studied, and the effect of wild rice S72,S37 and the Yunnan traditional rice cultivar Hunkenuo,Zinuo was

Abstract:The result of research on insect community in lichee orchard from Nov, 2001 to Oct, 2002 in Shenzhen city showed that insect community of lichee orchard is composed of 369 species of insects (including Spider Class), which includes 63 species of pests, 79

Abstract:The effect of Chitooligosaccharides on the growth, morphology and ultrastructure of Corticium rolfsii Saccardo was studied in this paper. Chitooligosaccharides were found to inhibit the radial growth of Corticium rolfsii Saccardo with an optimal effect at

Abstract:观察了捕食性天敌毛蠼螋对蔗扁蛾幼虫的捕食行为及捕食功能反应。结果表明，毛蠼螋对蔗扁蛾幼虫的捕食功能反应符合Holling模型，对1～3龄、4～5龄、6～7龄幼虫的捕食功能反应模拟模型分别是：Nα1～3=1．0849N0／(1 0．0220N0)、Nα4～5=1．1052N0／(1 0．0328N0)、Nα6～7=1．0291N0／(1 0．0384N0)。毛蠼螋在1d内最大的捕食量理论值。Nα（max)分别是49．26头、33．67头和26．81头。

Abstract:The variability of soil microelement was studied by grid sampling using DGPS in Beima Town of Longkou City ,Shandong Province. There are 205 samples in the 10 km2region. Cu,Mn,Fe, Zn,B were measured in EDTA method. Then the spatial variability of soil nut

Abstract:利用PCR—RFLP技术，对心脏型脂肪酸结合蛋白基因3个位点在湖北白猪中的的多态性进行了初步研究。结果表明，(1)在HinfⅠ—RFLP位点上，湖北白猪与报道的外来猪种和地方猪种的检测结果不同，全部为HH纯合子型；(2)在HaeⅢ—RFLP位点上，湖北白猪主要为dd型，d等位基因频率为0．947；(3)在MspⅠ—RFLP位点上，主要为aa型，α等位基因频率为0．615。检测结果为进一步分析H-FABP基因在湖北白猪中的遗传变异及与肌内脂肪含量的关系和该分子标记在湖北白猪育种中的应用，开展湖北白猪优质系选育及优质猪配套组合的筛选奠定了基础。

Abstract:Two experiments were conducted to determine the effects of wheat based diet supplemented with non-starch polysaccharides(NSP) enzyme preparations on growth, blood glucose, uric acid and some hormones in chicks. 72 seven-day-old chicks were divided into th

Abstract:The bullhead catfish Pseudobagrus fulvidraco have an outer thymus located beneath its opercular epithelium, above its epiotic opharyngoclavicularies, protruding gill chamber. The well-developed thymus of fish can be divided into three parts: the outer zon

Abstract:细鳞鲴(Xenocypris microlepis Bleeker)作为一种优良的养殖品种，有关其生态习性、繁殖与养殖技术、引种和驯化皆有较多报道，但对于细鳞鲴生长特性的研究较少。细鳞鲴是武汉市新洲区道观河水库中重要的经济鱼类，近年来产量显著下降。研究该鱼的生长特性，将有助于道观河水库合理持

Abstract:The content of calcium in 'Huanghua' pear was studied in order to clarify the calcium dynamic in pear fruits and its regulation role by the plant growth regulators. The result showed that IAA and GA3 treatments both were capable of improving calcium conte

Abstract:A study was conducted on 22 crosses from 10 varieties including Mira variety to evaluate 8 tubers' characters of potato crops in the first clonal year . It was the first reporting of combining ability research and progeny's inheritance for tuber's flesh c

Abstract:Genetic diversity and determination of germ plasma resource of Chuizhishan based on comparison with other types of cunninghamia laceolata were studied by RAPD markers. The result showed that; the population of chuizhishan had relatively high genetic diver

Abstract:The kinematics parameters of no-tillage planter in driving disk scarifer was analyzed. The relationship between power comsumption of unit volume(W), advanced speed of mechanical composition (v) and axial velocity(n) had been researched on the basis of exp

Abstract:A Weight-type oil-adding system (WTOAS) is introduced in this paper. A single-sensor weigher was used, which made WTOAS cost less than the traditional tri-sensor weigher. WTOAS was controlled by a software developed by Visual C++h 6. 0 and ran on a indust

Abstract:This paper is to elevate the efficiency of constructing Agricultural Information Website and enhance the systematic managing capability. Using SQL Server 2000 as supporting-databases and ASP as design-tools, the implementation of Website based on Web-SQL

Abstract:Border cells, recently found population in periphery of root caps, are alive cells distinctive to the other cells in root tips. They are defined as border cells so as to emphasize the biological and physical interfaces constructed in the rhizosphere. Bord