查询词典 leaf

Identification of disease and pest resistance was done by Institute of Plant Protection, Hebei Academy of Agricultural Science, and the variety demonstrated resistance to southern blight leaf; mid-resistance to stalk rot, corn Curvularia leaf spot; high resistance to northern blight leaf, corn smut, corn dwarf mosaic; and sensitive to corn borer.

项目简介：中单808由中国农业科学院作物育种栽培研究所选育，生育期126天左右，株高314cm左右，穗长21.8cm，2004年河北省农林科学院植物保护研究所抗病鉴定结果：抗小斑病，中抗弯孢菌叶斑病，茎腐病，高抗大斑病，瘤黑粉病，矮花叶病，感玉米螟。2005年西南生产试验中平均亩产571.29kg，比对照增产17.85%。

The result showed there existed significant differences among families in seedling growth, dry matter accumulation, leaf shape as well as root parameters at high and low nitrogen levels. Remarkable reduction in seedling height, dry matter accumulation, leaf and root parameters were observed under low nitrogen stress, whereas larger proportion of photosynthesis production was allocated into roots to promote nitrogen absorption. Family variation in seeding growth, leaf and root parameters were increased under low nitrogen stress in comparison with high nitrogen level, which would be benefit to discriminate superior L. chinense families with high nitrogen efficiency. Nitrogen efficiency of different L.

结果表明：不同氮素水平下，马褂木苗的生长、干物质积累、叶片和根系等性状皆存在显著的家系遗传差异；低氮胁迫将显著抑制马褂木苗叶片发育和根系生长，影响苗高生长和干物质积累，但低氮素水平下生产的光合产物则较多地分配至地下根系部分以促进对氮素的吸收利用；与高氮处理比较，低氮胁迫加大了苗木生长、叶片和根系参数等家系遗传分化，有利于鉴别高氮效率的马褂木优良家系。

In the oak community, leaf population dynamics was related to both physical environment and leaf characteritics, and this is consistent with the theories of maximum carbon gain, leaf life span, and phenlogical adaptation.

3， 白栎群落中，野外调查显示叶群体动态与物种的生存环境和物种属性具有直接联系，这种关系被认为与植物最大的碳获取、叶寿命理论，以及避免动物侵食是一致的。

This article through to the small leaf oak branch moisture contentdetermination and the analysis, take the small leaf oak's bough highlyas an independent variable, take the corresponding high branchmoisture content as the dependent variable,Uses the linear theory to construct the bough moisture contentestimation mathematical model, studies the small leaf oak boughmoisture content the distributed rule.

本文通过对小叶青冈主干含水率的测定和分析，以小叶青冈的树干高度为自变量，以相应高度的主干含水率为因变量，采用线性理论构建树干含水率估测数学模型，研究小叶青冈树干含水率的分布规律。

Results show that the change trend of growth is homogeneous, but it plays a different role in the growth of seedling height, ground diameter and leaf number; that for seedling height, peat soil is the best and red loam comes the next, for ground diameter, red loam is the best and peat soil comes the next and for leaf number, peat soil is the best, and red loam with nutrient soil named "zhidele" comes the next; and that in a growth season, the law of monthly increment of seedling height and leaf number is "fast-slow-fast-slow-stop" while the monthly increment of ground diameter is relatively stable.

结果表明，4种不同基质条件下油茶生长量变化趋势基本保持一致，但对苗高、径粗、叶片数的生长影响不同，对于苗高来说，泥炭土最好，红壤土次之；对于径粗来说，以红壤土最好，泥炭土次之；对于叶片数来说，以泥炭土最好，红壤土和植得乐营养土次之。在生长期内，幼苗苗高和叶片数月增长呈现出&快－慢－快－慢－停止&的规律，而幼苗径粗增长量相对稳定。

The results indicated that after treatment with 50gL^(-1) extracts of pepper leaf aqueous, the plant height, stem diameter, growth rate of leave length and width, leaf size, leaf number increased lower than the control, root activity was significantly lower than other treatments.

结果表明：50gL^(-1)叶浸提液处理后，2个品种辣椒幼苗株高、茎粗、叶片长和宽的生长速率及叶片大小、复叶数的增加都比对照降低，根系活力也显著低于其它处理。

The effect of aqueous infusion of pepper leaf on plant height, stem diameter, leaf number per plant, leaf area and the content of chlorophyll a, chlorophyll b and total chlorophyll, the activity of SOD and POD of pepper seedling all showed promotion with low concn. and inhibition with high concn. The conductivity and MDA content increased with the increment of aqueous infusion concn.

辣椒叶水浸液对辣椒幼苗的株高、茎粗、单株叶片数和叶面积、叶绿素a、叶绿素b和总叶绿素含量S、OD活性及POD活性的影响均表现为&低浓度促进、高浓度抑制&；而相对电导率和MDA含量则随着水浸液浓度的增加而增大。

TO map QTLs affecting grain weight and characterize the inheritancemodes of the QTLs and two-locus interactions, 136 recombinant inbred linesderived from "Nanda2419" x "Wangshuibai" and an immortalized F_2 population (IF2)generated by randomly permutated intermating of these RILs were investigated. In addition,the present study was also conducted to characterize the genetic bases of morphologicaltraits including plant height, flag leaf length, flag leaf width, flag leafarea and ratio of flag leaf length to width, and their relationships with grainweight in wheat by analyzing QTLs for these traits using the RIL population.

本研究利用南大2419x望水白的136个株系的重组自交系群体和由其衍生的永久F_2群体对粒重进行了QTL定位并探讨其遗传方式和上位性互作，同时利用该重组自交系群体对株高以及旗叶长、宽、面积、长宽比等叶部形态学性状进行了QTLs定位并探讨它们与粒重的相关性。

However,the increase of leaf weigh,leaf thickness and leaf area was gettingsmaller,Experiment showed that the 200～300 times diluted zinc sulphate and 20～40 mg/Lof gibberellin were suitable for young hawthorn trees.

硫酸锌对山楂幼树新梢加粗、加长生长有显著的刺激效应，同时能显著地提高新梢叶片的百叶鲜重、百叶厚及百叶面积。

The fluoride absorption was positively related to respiratory rate of leaf andthe content of free water in leaf tissue,but negatively related to the thickness of lowersurface and osmotic potential with zero expansion pressure of leaf.

9树木对大气氟污染的抗性强弱与树种的气孔总传导度大小负相关，对大气二氧化硫污染的抗性与气孔总传导度和叶组织pH值负相关，树木对大气氟化物的吸收能力与呼吸速率和自由水含量正相关，与膨压为零时渗透势和下表皮厚度负相关。

Neither the killing of Mr Zarqawi nor any breakthrough on the political front will stop the insurgency and the fratricidal murders in their tracks.

在对危险的南部地区访问时，他斥责什叶派民兵领导人对中央集权的挑衅行为。

In fact,I've got him on the satellite mobile right now.

实际上 我们已接通卫星可视电话了