XU Yun yuan , NIU Bing tao , JIA Jing fen
2000, 20(2).
Abstract:Based on the effects of spaceflight on the seeds,the salt and PEG tolerant calluses were obtained from the second post spaceflight generation seedlings by selection on MS medium containing 1.2% NaCl or 35% PEG.The plants regenerated from the selected c
SHAN Lun , SU Pei , GUO Li kun , LIU Wan gou
2000, 20(2).
Abstract:Yield,water use efficiency (WUE),the rates of photosynthesis and/or transpiration, leaf stomatal conductance of spring wheat ( Triticum aestivum L.),potato ( Solanum tuberosum L.),soybean ( Glycine max (L.) Merr.) and maize ( Zea mays L.) were
ZHANG Yu xiu , CHAI Tuan yao , LI Jun chao , ZHAO Wen ming \j
2000, 20(2).
Abstract:PvSR6 ( Phaseolus vulgaris stress related) clone encoding a new member of the DnaJ like protein family has been isolated from a mercuric chloride treated bean ( Phaseolus vulgaris L.cv.Saxa) cDNA library.Northern blot analysis revealed that the t
DONG Yun zhou , DUAN Sheng jun \j
2000, 20(2).
Abstract:以ＪＱ－７００型国产基因枪轰击豫谷２号谷子幼穗，在１５０ｍｇ／Ｌ卡那霉素选择培养基上筛选到９０８块抗性愈伤组织，其中，绿芽块愈伤５块，共分化出１６株绿苗，组织化学检测ＧＵＳ表达，获得３株阳性植株，Ｓｏｕｔｈｅｒｎ杂交证明１株为阳性。以轰击总外植体计算的转基因植株频率为０．０５％。
LI Guo feng , SONG Ping , CAO Xian zu , LIANG Jian sheng , ZHU Qing sen\j
2000, 20(2).
Abstract:以两个籽粒充实程度不同的籼粳亚种间杂交稻ＰＣ３１１＊早献党１８（充实差）和测０３＊扬稻４号（充实好）材料，研究两组合的强、弱势粒发育过程中籽粒库活性与其充实之间的关系。结果表明：（１）充实好的亚杂组合强，、弱势粒干重、淀粉积累速率都盯应高于充实差的亚杂组合，两组合的强、弱势粒灌浆特性均表现异步型特征；（２）在灌浆早期，两亚杂组合强、弱热粒胚乳中蔗糖含量都比较高，且测扬要明显高于Ｐ早；在籽粒发育后期
WANG Lin song , LI Jin ting , WANG Lin , ZHU Ming wei , SHAO Qiang , QIAN Wei xing , XU Cun shuan
2000, 20(2).
Abstract:The changes of soluble protein conteints and PAGE,esterase and amylase isozymes in radish during storage period were observed in this paper.The results showed that the protein concentrations gradually decreased as the storage time enlonged.There are some
2000, 20(2).
Abstract:Using pot experimert with or without N fertilizer supply,the effects of water limited deficit stress in different stages on wheat grain yields and their constituents were studied.The results showed that water limited deficit stress in seedling stage,jo
2000, 20(2).
Abstract:对高寒草甸珠芽蓼中几种抗氧化物质含量的季节变化测定发现，珠芽蓼叶片内抗坏血酸、超氧阴离子自由基的相对含量、超氧化物歧化酶的活性以及紫外辐射吸收色素在５月至８月间呈现“拱型”曲线变化，不同物质分别以６、７月份最高，分别与海北站地区的太阳辐射呈现一定的相关性。
GOU Xiao hua , WANG Xun ling , CHEN Fa hu \j
2000, 20(2).
Abstract:研究采用开顶式熏气装置，用不同浓度的ＣａＣｌ２、Ｃａ（ＯＨ）２、Ｖｃ和Ｃ６Ｈ６ＣＯＯＮａ（苯甲酸钠）作为小麦的氟污染防护剂。通过实验研究了其防护效果并作了进一步的机理。实验结果表明，０．５‰Ｃａ（ＯＨ）２防护效果极显著，０．１‰Ｃａ（ＯＨ）２、１‰Ｖｃ和１‰ＣａＣｌ２也有显著的防护作用，因此，使用防护剂时掌握其浓度是至关重要的。
CHEN Deng wen , WANG Fei , GAO Ai qin , LI Jia rui \j
2000, 20(2).
Abstract:Using three apricot ( Armeniaca vulgaris Lam.) cultivars with varying chilling requirments (CR) were studied in this paper.The index of eleven physio biochemical were determined during the different period of dormant.The results showed that the conten
2000, 20(2).
Abstract:紫外线－Ｂ辐射降低豌豆、大豆和黄瓜３种植物幼苗的净光合作用速率（Ｐｎ）和表观量子效率（ＡＱＥ），Ｐｎ和ＡＱＥ的减少幅度随紫外线－Ｂ辐射时间的延长逐渐增大。３种植物的光合作用对此外线－Ｂ辐射的敏感性依为：豌豆〉黄瓜〉大豆，光合作用光抑制的发生程度与光合作用对ＵＶ－Ｂ辐射敏感性有内在联系。定量分析显示，光合作用光抑制的发生程度随ＵＶ－Ｂ辐射时间增加，是ＵＶ－Ｂ辐射剂量的累积效应。
XU Shi jian , AN Li zhe , FENG Hu yuan , WANG Xun ling , LI Xin rong
2000, 20(2).
Abstract:The changes of soluble sugars,free prolines,caloric values and flavonoid of leaves from Caragana korshinskii and Ammopiptanthus mongolicus (Maxim.) Cheng f. derived from Shapotou were investigated.The results showed it was A.mongolicus that wa
2000, 20(2).
Abstract:以珍汕９７Ａ为材料，通过不同剂量的＾６０Ｃｏ－γ射线和ＮａＮ３药剂对珍汕９７Ａ进行复合处理，分析研究它们的诱变效应。结果表明，随着辐射剂量的增加，Ｍ１群体中的育性恢复突变率有所下降，而分离出不育株的Ｍ２株系占育性恢复突变Ｍ１株系的比例逐渐增加；与珍汕９７Ａ相比，Ｍ２分离出的不育株有的仅发生农艺性状的变异，有的则在不育性的表达和农艺性状上均发生变异；与珍汕９７Ｂ相比，育性恢复的Ｍ２群体部分农艺性状发
CHEN Cui xia , YU Yuan jie , LIU Feng zhen , SHEN Fa fu , WANG Hong gang
2000, 20(2).
Abstract:The salt tolerance variant of cotton,Shannong 011 was obstained from the off springs of Lumian No.6 ( Gossypinm hirsutum ) which might accepted bluish dogbane ( Apocynum venetum ) DNA by pollen tube pathway.Genetic analysis of the variant and the pro
GUAN Cai hong , YANG Jing zhong
2000, 20(2).
Abstract:The paper studied the similarity with respect to single leaf distribution among plants within different summer corn populations in the middle regions of Shanxi province.The results showed that single leaf area distribution is more similar than the other d
WANG Ting , SU Ying juan , HUANG Chao , ZHU Jian ming \j
2000, 20(2).
Abstract:Six species of Taxus,Pseudotaxus,Amentotaxus and Torreya within Taxaceae were analyzed using random amplified polymorphic DNA (RAPD) markers.80 primers from 4 Operon kits were screened by RAPD,while 14 selected primers were able to produce clear po
SUN Xue gang , XU Xiang hong , REN Jun
2000, 20(2).
Abstract:Based on the materials of systematic classification and geographical distribution,using fuzzy cluster analysis method,the total 41 taxa of Lonicera in Gansu province were classified into 18 distribution patterns with different geographical range and b
2000, 20(2).
Abstract:研究在土壤含水量（Ｘ１）、土壤ｐＨ（Ｘ２）、全盐量（Ｘ３）和海拔高程（Ｘ４）等４个主要环境梯度上，分析了青海湖北岸１８个草本植物的生物量、物种多样性（以物工为测度指标）变化规律，以及其基于环境梯度的相互关系，并提出了相关模型。研究结果表明，植物群落地上生物量与物种丰富度之间没有明显的相关性（Ｒ＾２＝０．１０４），而物种丰富度（Ｙ）与环境因子之间的多元线性回归关系显著，回归模型为：Ｙ＝－８８．２９－
2000, 20(2).
Abstract:Panzerina lanata (L.) Sojak complex,belonging to Panzerina Sojak (Labiatae).Ten populations were studied on transplantation experiment and field observation for the biological feature of this complex.The results are as follows:there are little differenc
CHENG Zheng ming , PaN Hui xia , YIN Lin ke
2000, 20(2).
Abstract:species which belong to Tamarix Linn and Myricaria Desv were collected in Xinjiang.They have been analysed and determined by the method of phytochemistry,such as TLC and UV.Acording to the results,a index that can be used in the taxonomy of Tama
CUI Da fang , LIAO Wen bo , ZHANG Bing \j
2000, 20(2).
Abstract:The flavonoid compounds of stems and foliages of 4 species of Reaumuria L. were extracted and determined,meanwhile their chromatography spectrums by the method of polyamide thin film and absorption spectrum by HPLC method using ultraviolet as medium w
XUE Chun ying , XU Jie mei , LIU Jian quan \j
2000, 20(2).
Abstract:The present paper reports the chromosome numbers and karyotypes of 4 populations of Allium prattii in Sect. Anguinum (Liliaceae).The results are as follows:the population 1,2 and 4 are diploids,the karyotype formulae are 2n=2x=16=12m+2sm+2st(2SAT),
LI Zhi xiao , HUANG Cheng gang , CHEN Yao zu , \j
2000, 20(2).
Abstract:从山豆根沸水提取物中用 DEAE- Cellulose离子交换柱层析及 Sephadex G- 1 0 0凝胶层析分离纯化得—水溶性多糖 SSP1,SSP1用 TFA全水解的产物经 PL C及 GC分析证明仅含葡萄糖 ,平均分子量为 2 .2 4× 1 0 4 ,比旋光 [α]2 0D=+ 68°( c 0 .75,H2 O) ,经高碘酸氧化、Smith降解、甲基化分析、红外光谱、1H及 13C NMR分析证明其化学结构为以α( 1→ 4)葡聚糖为主链 ,并且每 1 2个主链单元分别在 3- O及 6- O位有分枝的葡聚糖
KONG Xiang qing , WU Wen jun \j
2000, 20(2).
Abstract:在生物活性追踪指导下，经液液分配萃取、中压柱层析及高效液相色谱制备，从柔科技植物疣枝枝卫柔（Ｅｕｏｎｙｍｕｓ ｖｅｒｒｕｃｏｓｉｄｅｓ）根皮的甲醇提取物中，首次分离出一种对粘虫幼虫具有强烈麻醉活性的化合物，从其紫外光谱和红外光谱图中可以看出，该化合物具有二氢沉香呋喃骨架。
ZHANG Bao shan , ZHANG You lin
2000, 20(2).
Abstract:Using sweet persimmon fruits as contrast sample,the change of the form of tannic cells in astringent persimmon fruits during the process of growing,deastringenting and reastringenting were observed.The results are as follows:With the astringent persimmon
2000, 20(2).
Abstract:The oil cells in Liriodendron chinense differentiated earlier than the neighboring cells.Very young leaf and stem show fully developed secretory oil cells among poorly differentiated cells.The first recognizable stage was seen in the second primordia.
ZHANG Hai yang , XU Xiu fang , DONG Xi wen
2000, 20(2).
Abstract:Based on observe trichome of Solanum nigruum L., S.photeinocarpum Nakam.et Odashi and S.nigrum L.var. suaveolens G.L.Guo.We found that are all glandular hairs 5,one is glandular hairs of single cell head and another is glandular hairs of pol
2000, 20(2).
Abstract:Vegetation marks the characteristics of ecological environment.The type of vegetation is closely associated with climatic conditions and landforms.It is of utmost imperative to conform to natural law,make long term scheme and apply effective measures to
MA Shao bin , HUANG Heng yu , ZHAO Nian xi , CAI Xiao hu
2000, 20(2).
Abstract:对分布于云南中甸地区南方山荷叶进行的繁殖生物学研究结果表明 :南方山荷叶有性生殖良好 ,性成熟个体的花在开花前一年 7月末 8月初开始分化并以休眠芽的形式度过冬天及早春 ;花在次年春天开放并在植株露出地面 1 0 d之后进行传粉 ;每个体有花 3～ 2 8朵 ,每花有胚珠 1～ 1 7枚 ,每个体有胚珠 40～ 2 0 2枚 ;在自然条件下南方山荷叶传粉方式为异花授粉 (但自交可育 ) ,其传粉昆虫为叶蜂类和甲虫类 ;天然居群具有较高的结实率 ( 58.3%～1 0 0 .0 % ) ,每个体有果实 3～ 2 6枚 ,每果实有种子 0～ 1 1粒 ,平均结籽率为 60 .41 % ,每个体平均种子产量 47.0 5。南方山荷叶常可通过根状茎进行营养繁殖形成无性系植株。人工繁殖时既可用种子繁殖 ,亦可用切割根状茎来进行营养繁殖。
