随着愈伤组织和不定根的出现，多数营养物质含量呈下降趋势。
Most of the content of nutritive substance declined with the emergence of callusing and rooting.
高质量浓度铅诱导不定根产生。
由下部茎节发出的、支撑茎的不定根。
Adventitious roots arising from lower nodes and providing support to a stem.
根蘖苗不定根在4年生以后大量发生。
The adventitious roots breaks out profusely on the 4 year old stocks grown from suckers.
不定根的形成过程可以分为六个时期。
The process of the adventitious root formation in grape cuttings can be divided into six periods.
同时红色愈伤能分化产生红色不定根。
At the same time, the red callus can be divided into red adventitious.
不定根和地下茎的周皮发达，栓质化程度高；
Adventitious roots and rhizome have much periderm, the suppository level is high;
在一些针叶树不定根形成的根系统的最大部分。
In some conifers adventitious roots can form the largest part of the root system.
结果表明：试管苗不定根的根原基发生于形成层。
Results identified that the adventitious root primordia originated from the vascular cambium cells.
目前人们对不定根发育的分子机制的了解还非常有限。
Current knowledge regarding the molecular mechanism underlying ar development is still limited.
其中不定根中的总生物碱含量高于愈伤组织和不定芽丛。
And the contents of total alkaloid in adventitious roots is higher than that in calli and buds.
结果提示，生长素极性运输活性对不定根形成起着重要作用。
The result shows that auxin polar transport plays an important role in adventitious root formation.
组织学观察表明，组培苗的不定芽和不定根起源于茎的中柱。
Histological observation displayed the adventitious buds and roots of rose were both originated in stele.
生长素类物质处理插穗促进不定根形成，与诱导乙烯释放有关。
The promotion of adventitious root formation by auxin was proven to be related to ethylene releasing.
本发明公开了一种利用甘薯离体培养不定根产生甘薯芽的方法。
The invention discloses a method for producing sweet potato buds by isolated culture of adventitious roots by sweet potatoes.
随着不定根内部的维管系统的发育，不定根从皮孔或下切口伸出。
With the development of the vascular systems in the adventitious roots, the roots extrude from the lenticel or the cutting callus.
大约经12—14天，不定根原基发育为幼小不定根并伸出周皮之外。
After 12-14 days, adventitious root primordia developed into young adventitious roots.
切断后受损程度的大小，主要取决于地上生物量与不定根生物量的比值。
The ratio of biomass between stolon and adventitious roots was an important index of injured degree.
试验以组织培养获得的柔枝松不定芽为对象，对其进行不定根诱导研究。
The adventitious shoots of limber pine were taken as objects to investigate their induction of adventitious roots.
从横切面上观察到，不定根原基起源于髓射线与维管形成层交叉的部位。
From cross sections of stems-cuttings, a primordium of adventitious roots originates from the cross region of pith rays and vascular cambium.
不定根组成了禾本类作物的须根系，对水分和养分的吸收起着关键的作用。
Adventitious roots are vital for water and nutrient assimilation by cereal crops because they comprise the bulk of the fibrous root system.
由于不定根发生过程的复杂性，到目前为止对其调控机制的了解还十分有限。
The way of molecular regulation underlying adventitious root is complex and far beyond understanding now.
并研究了从S011203愈伤组织上切取不定根诱导植株再生的配套技术。
Mcanwhile, a set of technique for inducing plantlet regeneration from calluses ofS011203 with adventitious roots removed was given in this paper.
以蚕豆幼苗为材料，对光、暗预处理诱导植物不定根生成的机理作了初步研究。
The mechanism of formation of adventitious root induced by light or dark pretreatment was initially studied in stem of broad bean seedling.
谷类作物的须根系主要由不定根组成，在营养物质和水分吸收中发挥重要作用。
The fibrous root system in cereals comprises primarily adventitious roots (ARs), which play important roles in nutrient and water uptake.
结果表明基本培养基、IBA和光暗培养是影响试管苗产生不定根的主要因素。
The results showed that the effects of basal medium, IBA and dark or light culture were significant at 1% level.
结果表明基本培养基、IBA和光暗培养是影响试管苗产生不定根的主要因素。
The results showed that the effects of basal medium, IBA and dark or light culture were significant at 1% level.
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