插穗

在生根后期，对照MDA含量迅速上升，远高于处理插穗。

Later in the rooting , the content of MDA increased rapidly , much higher than the disposal cuttings .

几种木本植物插穗生根与内源IAA，ABA的关系

Relationship Between Adventitious Root Formation and Endogenous IAA and ABA of Several Tree Species

用NAA处理毛白杨插穗对某些生理过程和生根的影响

Effects of NAA treatment on physiological processes and root formation of Populus tomentosa cuttings

根原基形成过程中，处理插穗的ABA和ZR含量大于对照。

The content of ABA and ZR on disposal cuttings is more than control cuttings during root primordium morphogenesis .

kg-1ABT1号生根粉处理插穗基部3h，500mg。

Rooting powder for 3 hours or 500 mg · kg ~ ( - 1 ) ABT No.

用同位素示踪技术研究NAA在毛白杨插穗生根过程中的作用

Study on Roles of NAA in the Rooting Process of Populus tomentosa Cuttings by means of Radioactive Tracing

经菌液处理的插穗叶光合速率增加，不定根内IAA水平提高。

Compared with the control , photosynthesis of leaf and the level of endogenous IAA of adventitious roots were increased .

不同部位绿枝插穗扦插后PPO活性先下降，然后又呈现上升趋势。

PPO activity in softwood cuttings of different parts of bough presented downward first and then an upward trend after cutting .

生根率与插穗皮部的ABA极显著负相关，其次，与IAA、ZR、GA显著负相关。

The relative analysis indicated that the rooting rate had a significantly negative correlation with ABA , and ZR , IAA , GA followed .

硬枝插穗体内IAA含量高于嫩枝插穗，也是硬枝扦插生根率低于嫩枝的主要原因之一。

One of the important reasons that the rooting percentage of hardwood cuttings was lower than softwood cuttings is its higher IAA concentration .

激素处理能显著提高硬枝插穗的生根率，其中以IBA200mg/kg处理3h的生根效果最好；

The rooting ratio of hardwood was increased by plant hormone treatment , especially treated by IBA 250 mg / kg 3 hours .

生长调节物质IBA处理硬枝和嫩枝插穗，可显著促进生根效果。

Hardwood and softwood cuttings pre-treated with the growth regulator IBA showed significant inprovement in rooting performance of tetraploid locust .

将初选的6个柿树株系插穗在新型植物生长调节剂中浸泡24h后扦插，结果表明：各株系插穗基部愈合率呈极显著差异。

Cuttings of 6 pre selected strains of persimmon ( Diospyros kaki ) were soaked in a new plant growth regulator for 24 hours and cut .

增加的IAA、GA7/4主要分布在淀粉体、液泡与胞间基质中。不同基质间插穗死亡率的差异不显著。

And those of GA7 / 4 obviously increased in the same region . There was no significant difference of death rate among cuttings on different substratum .

本文报告了CO2激光处理茉莉插穗对其扦插成活率、L1开花习性的作用效果。

The paper reported the survival rate of cutting propagation and the blooming behaviour of L1 generation after the Jasmine cutting was radiated with CO_2 laser .

CO2施肥可促进花卉作物的生长发育，增加切花和插穗产量，提高切花和盆花的品质，促进扦插生根；

The cut flower and cutting production of main floral crops and the quality of potted flowers are both improved , and the root development of cuttings is also influenced by CO 2 enrichment .

相反，嫩枝插穗中ABA含量要低于硬枝插穗中ABA的含量，并且随着母树年龄的增加而增加。

On the other hand , the content of ABA in shoot cuttings is lower than that in hardwood cuttings , and increase with raising the age of seed tree .

从2005年4月23日扦插至7月23日，每隔10d观测1次插穗生长指数。

From 23 April to 23 July 2005 , growth indexes of shoot cutting were monitored every 10 days .

为了解IBA对含笑扦插生根的影响，以清水为对照，用吲哚丁酸（IBA）处理含笑插穗，研究了含笑嫩枝扦插生根过程中的部分生理生化变化。

The physiological changes were studied during the Michelia figo cutting rooting , which were treated by pure IBA , water was control .

高浓度GA3对生根有抑制作用。（4）外源生长素处理提高了插穗的SOD、POD和PPO活性。

High concentrations of GA3 on rooting inhibit the cutting rooting ( 4 ) The exogenous IBA and NAA could increase the activity of SOD 、 POD and PPO in cutting .

扦插前，插穗体内IAAO活性对生根率的影响最大，PPO次之，POD影响最小。

Before planting , IAAO activity had the greatest influence on rooting percentage , the second was PPO activity and POD activity was the smallest .

不定根产生于插穗的下切口边缘至向上1～2mm以内的区域。

The adventitious roots of cuttings are formed from the verge of lower cut section to the upper position of 1-2 mm .

以NAA处理的插穗生根的效果最好，最高生根率达87%，IBA次之，ABT作用效果最差；

The best rooting rate was 87 % when the NAA was used as the growth regulator , and ABT the better and IBA the worst one .

同时，组合处理提高了插穗POD酶活性，降低了IAAO酶活性，加速了PPO酶活性高峰的出现。

Meanwhile , the combination treatment increased the POD activity of cuttings , reducing the IAAO activity , accelerated the emergence of peak of PPO activity . 8 .

在NAA浓度为10～500ppm范围内处理毛白杨嫩枝插穗，明显促进乙烯释放。

The ethylene releasing was obviously promoted - when the soft cuttings of P.tomentosa were treated with 10-500 ppm NAA .

连续3年在3个地点的温室内进行了绿枝扦插试验，每年于生长季分别用生长素IBA、IAA与NAA不同浓度处理插穗基部5～10秒，扦插于沙基质中。

Green wood cutting was conducted in green houses of three sites in growth phase for three years . The cuttings were treated with auxin IBA , IAA and NAA of different concentration with rapid soaking 5 10 seconds , respectively .

选取质量分数为0.02%的RTN生根促进剂和奈乙酸对带顶芽和无顶芽插穗处理1.5h，平均生根率分别高达79.2%和70.8%。

The rooting rates reached 79.2 % and 70.8 % , respectively when the cuttings were treated with 0.02 % of RTN rooting promoter and NAA for 1.5 hours .

不同植物生长调节剂对插穗内源激素含量、IAA／ABA和IAA／ZT比值以及酶活性的影响不尽相同。

The studies show that : ( 1 ) Different sorts of plant growth regulators have different influences on the content of the endogenous hormones , the values of IAA / ABA and IAA / ZT and the activities of the enzyme .

插穗用ABT1号生根粉浸泡的时间，以4.5h为宜，成活率最高为73.5%。

ABT ( 1 ) with the cuttings soaking time , 4.5h advisable , the survival rate is the highest 73.5 % .

100mg/kg的ABT和NAA可有效提高卫矛的生根率，不同含量的IBA均可显著增加插穗不定根根数；

ABT and NAA with the concentration of 100 mg / kg can effectively promote the rooting percentage of Euonymus alatus cuttings , and different concentrations of IBA all have significant stimulative effects on the number of adventitious roots .