侧根

随深度的增加而减小，侧根系主要分布在表层（0~10cm）。

With the depth increase , the root system reduces . Branch root locates superficial coat ( 0 ~ 10cm ) .

本文利用常规石蜡切片法对灰叶胡杨横走侧根的结构及其不定芽的发生发育过程进行了解剖学研究。

The structure of cross branch root and the development of adventitious buds of Populus pruinosa were studied by using paraffin section and microscopic observation .

P处理可以促进胡杨侧根系向水平方向的拓展，来寻求优质斑块。

P-treatment may promote Populus lateral root development in the horizontal direction , To seek high-quality plaque .

不同pH下局部供应硝酸盐和铵对玉米侧根生长的影响

Effects of Localized Supplement of Nitration and Ammonium on Lateral Root Growth of Maize Under Different pH Conditions

低P胁迫下，种源间干物质积累量（包括植株各部分和总的积累量）和侧根数等根系参数差异显著。

Under low phosphorus stress , there existed significant differences between provenances tested for the dry matter accumulation and root parameters such as number of lateral roots .

根尤其是侧根NR活性较高；

NR activity was higher in root especially in lateral root .

PAT的抑制导致主根变短、侧根和不定根数目减少。

Inhibition of PAT resulted in the shortened primary roots , less and short-ened lateral and adventitious roots .

结论枕下三角和C2神经的腹侧根是辨别椎动脉的重要标志；

Conclusion The suboccipital triangle and the dorsal root of C2 were the important masks of the VA.

在诱根培养基中适当加入NAA可以诱导组培苗产生更多的侧根、侧根，生长的根呈白色，根系生长更好，植株移栽成活率高。

The medium properly added NAA could induce the plantlets to grow more lateral root and root hair .

b.磷亏缺19天的情况下，根外部特征变化最明显是二级侧根的长度。

Under the conditions of phosphorus deficiency for 19 days , length change of the 2nd lateral root was most obvious in the exterior character .

ABA能诱导SEN1基因在拟南芥侧根基部表达。

ABA could induce SEN1 gene in Arabidopsis lateral root primordia .

本文研究表明，外源CO可以促进番茄侧根（LR）发育。

In this paper , the observation that exogenous CO was able to promote the formation of tomato lateral roots ( LR ) is described .

高N有利于根系横向伸展，表现为1级侧根密度的增加，而平均根长缩短，2个基因型平均根长无显著差异。

At high nitrate supply , the density of laterals increases for the two varieties , root average length however , becomes short , and the genotypic difference of the two varieties does not exist .

侧根多集中在根颈下0～5cm主根段。

Lateral roots on taproot were concentrated at 0-5 cm closed to collar .

生长素极性运输（polarauxintransport，PAT）对侧根发生和根尖向地性起着重要的调节作用，添加外源生长素极性运输抑制剂不仅抑制了侧根发生，同时还使根尖丧失了向地性。

Lateral root development and gravitropism are regulated by polar auxin transport ( PAT ), and auxin efflux inhibitors ( AEI ) inhibit LR growth and tropism .

本实验探索了适用于玉米品种鉴定及DNA指纹库构建的玉米品种DNA快速煮沸法，用快速煮沸法提取了玉米种子胚、胚乳；水培初生根、侧根；

A quick DNA extraction technique which was fitting for maize variety identification and establishing DNA fingerprinting pool was explored , and the technique was well applied in the following tissues for DNA extraction : embryo , endosperm ;

HSV-2感染患者后，病毒移行至感觉神经节中并在背侧根神经节中形成潜伏感染。

Following the primary infection , the virus migrates to sensory ganglia and establishes latency in dorsal root ganglia .

外源生长素（NAA）能够缓解高浓度NO3~-对根伸长的抑制作用，增加侧根数目，促进侧根伸长。

Exogenous auxin ( NAA ) reduced the inhibitory effect of high nitrate on root elongation , increased lateral root numbers and stimulated lateral root elongation .

不同立地下刺槐侧根的水平分布均较广，水平根单向延伸最大均在8m左右。

The level distribution of lateral root system was extensively with lateral root stretching about 8m in one-way under different habitats .

枝、干、主根、侧根中的PPO活性均以5月和3月极显著地高于7月和10月。

The activity of PPO of branch , truck , main root , lateral root is higher in May and March than in July and October conspicuously .

为了研究局部供应NO3~-诱导侧根生长的分子背景，本研究通过分根处理和抑制性扣除杂交（SSH）方法建立了水稻根系的NO3~-诱导扣除库。

To identify nitrate-induced genes in rice roots , a nitrate-induced root subtracted library was constructed using the suppression subtractive hybridization ( SSH ) method in split-root experiment system .

明显促进了K4的侧根长度，增加了侧根数，根体积和根干重。

Promoted the length and the number of the lateral root , volume and dry weight of root previously .

利用一定浓度的ATP，细胞色素C水溶液，浸泡r&射线及加速电子辐照的向日葵种子，具有提高发芽率，促进胚轴生长及增加侧根数的效果。

Sunflower seeds irradiated by γ - ray and accelerated electrons were treated with ATP and cytochrome C aqueous solutions . The results indicated that the sprouting ratio and the number of lateral roots were increased , the embryonic axis elongation was accelerated .

通过RNA原位杂交和OsRAA1基因启动子调控GUS基因表达的模式，证实OsRAA1基因主要在根尖的顶端分生区和伸长区，根尖分支区和幼侧根的中柱，侧根的原基表达。

The results of in situ hybridization showed that its expression was detectable clearly in the apical meristem , the elongation zone of root tip , steles of the branch zone and the young lateral root .

当裸根晾晒超过8d，主、侧根绝对含水率低于65%时，50%的苗木死亡，50%的苗干干枯。

When naked root was baked over 8 days and root water content was below 65 % , half of the stock died out .

在浓度相对较低的条件下（＜50mM）硝酸根只影响侧根生长，而对主根没有明显影响；

When the concentration is low ( < 50 mM ), nitrate only influences LR development , and has no effect on primary root .

研究结果表明：橡胶树从枝条、树干、根茎过渡区到小侧根的新形成的木质部导管孔径变化曲线近似M形，导管密度变化曲线则近似U形。

The variable diameters of vessels in the newly formed xylem appeared as a curve like M and the variable densities of the vessels like U from branch , trunk , stem root transition region to lateral root Of the seedling trees and grafting trees .

在此基础上，得到了Freeman链码字符串、根系的长度、角度、根数、侧根间距、分形维数。

After the above processes , we can get the string of Freeman chain code , root length , angle , the number of root , side-root 's distance , and fractal dimension .

侧根发达，主要分布在由表层往下土壤中的盐分含量大量减少、水分含量大幅度增加的20～60cm的土壤层内。

The well developed lateral roots was distributed in the deeper soil ( 20 ~ 60 cm ) with decreased salt contents and increased water content .

根瘤分布在5～30cm深的侧根侧面；在砖红壤的土壤中，根瘤分布在地表0～10cm范围。

The most nodules were distributed in 5 ~ 30 cm depth of lateral roots in the coastal sandy soil and in 0 ~ 10 cm in the latosol .