2ms

The optimum culture medium is 1 / 2MS ;

最佳基本培养基为1/2MS。

Using 1 / 2MS basal medium with 3 % sucrose .

基本培养基为1/2MS，蔗糖浓度为3%。

The results also indicated that 1 / 2MS medium was much better for root induction than MS medium .

以大量元素减半的1／2MS培养基为诱导阶段的基本培养基的生根效果显著好于MS培养基；

The time of valve opening was 1 & 2ms and the amount of injecting gas may be adjusted .

阀门开通持续时间为1～2毫秒，注入气量可以调节。

The results show : 1 / 2MS liquid media is best for seed germination in 9001x ;

结果表明：最佳发芽培养基和培养条件分别为1/2MS液体培养基和在900lx光照下发芽；

Most actual systems apply narrow-band pulse signal of 1 ~ 2ms to avoid the above influences as best as possible .

为了尽可能避免这些影响，实际的系统大多采用1～2ms的窄脉冲信号。

1 / 2MS free NAA and IBA might be the optimal medium for shoot rooting induction .

此外，不含NAA和IBA的1/2MS培养基可作为患病苗幼芽生根的最适培养基。

WPM or 1 / 2MS medium was the optimal medium for in vitro rooting of C.

1/2MS和WPM培养基均适合喜树组培苗生根；

Finally optimization structure parameters are given , the electrostatic driving voltage is about 10V and the switching time is 1 ~ 2ms .

通过优化结构给出一组几何参数，保证了驱动电压在10V左右，开关时间可以达到1至2ms。

Used torus culture as control experiment , at first , the growth of callus is rapid with 1 / 2MS + BA8 mg .

而作为对照实验的花托培养，最初愈伤组织启动较快，在1/2MS+BA8mg。

Seedlings were germinated from seeds of Saussurea involucrata in 1 / 2MS medium .

雪莲花种子在1／2MS培养基上萌发出幼苗。

1 / 2MS C + H2 ( Bl ) has better effect on adventitious bud 's proliferation OP four cultured varieties .

1／2MSC+H3（B1）对四个品种愈伤组织的不定芽分化均具有较好效果。

Euonymus japonica us stem segment with axillary 's bud was cultured with MS and 1 / 2MS medium in this experiment .

以大叶黄杨带腋芽茎段为材料，以MS和1/2MS为基本培养基，进行组织培养研究。

The results show that the rate of adventitious root production is highest and growth of new root is best in 1 / 2MS + PP333 + IAA ;

经20d培养，1／2MS＋PP333＋IAA培养液诱导不定根发生率最高，新根生长最好。

Results indicated that : a. embryo sprouting rate was high in 1 / 4MS and 1 / 2MS media and plantlets were stronger .

实验结果表明：1/4MS和1/2MS培养基上成苗率高，幼苗健壮，成熟胚比未成熟胚易于成苗。

The effect of IBA was better than that of NAA , and 1 / 2MS + 0.4 mg / LIBA was the most efficient .

IBA的生根效果优于NAA，尤其是1/2MS+0.4mg/LIBA表现最好。

The optimum rooting medium is 1 / 2MS + IBA 2 0mg / ml with 14 h light culture , which significantly promoted the rate of rooting .

生根培养以1/2MS+IBA20mg/ml，14h/d光照下培养，显著提高生根率。

The ratio of root induction from callus was 100 % on the medium of 1 / 2MS + 3 % sucrose + 0.7 % agar + 1 % active carbon .

在1/2MS+3%蔗糖+0.7%琼脂+1%活性炭的生根培养基上，生根率为100%。

The results indicate as follow : ( 1 ) In P.quinquefolia tissue culture , the best medium of seed explants is B5 or 1 / 2MS without PGR ;

在引进五叶地锦的组织培养过程中，用种子作外植体建立无菌体系的培养基是不加PGR的1／2MS或B5培养基；

Obtainment of sterile seedlings of ornamental pumpkin The ornamental pumpkin seeds were selected as primal material and cultured on 1 / 2MS medium to obtain sterile seedlings .

南瓜无菌苗的获得以不同品种的南瓜种子为起始材料，将其接种在1/2MS培养基上获得无菌实生苗。

Experimental result showed that 1 / 2MS medium supplemented with sucrose was suitable to induce germination and seedling of D. candidum artificial seeds . The germination rate was over 80 % .

以改良1／2MS培养基各种成分附加蔗糖为人工胚乳的人工种子存活率、发芽率、成苗最好，其发芽率可达80%以上。

Hairy root only was successful attained from stem explants of Dahong , which with little leaf infected with Agrobacterium rhizogenes strain 1025 , after culturing on 1 / 2MS medium for 50 days .

只有发根农杆菌1025感染具有少量叶片的大红茎段外植体，在1/2MS培养基上培养50d，获得了毛状根。

1.4 1 / 2MS medium combining with NAA and IAA was optimum for rooting of plantlets , the active charcoal was also propitious to that . And rapid propagation system with high reproductive coefficient and reproductive rate was established .

4屋顶长生草的生根以1／2MS为基本培养基，NAA与IAA配合使用效果好，活性炭有利于根的发生和生长。

The problem of vitrification is resolved by reducing the concentration of Cytokinin , healing the culture bottle by the breathing freely lambskin , increasing the concentration of agar , using the 1 / 2MS as the root regeneration medium etc.

通过降低分裂素浓度、以透气性好的羊皮纸封口三角瓶、提高琼脂的浓度、生根移栽培养基采用1/2的MS培养基等方法解决了组培苗的玻璃化问题。

According to the results , we consider MS + BA4.0 and MS + BA2.0 + NAA0.1 as preferred proliferation medium and 1 / 2MS + IBA0.5 as the best rooting medium . 3 .

根据研究结果，MS+BA4.0和MS+BA2.0+NAA0.1可作为首选增殖培养基，1/2MS+IBA0.5为最佳生根培养基。

Rooting , transplant : The optimum culture medium for rooting was : 1 / 2MS , rooting percentage was 80 % . The matrix of transplant was peat and perlite of same volume , survival rate was 67.7 % .

生根、炼苗和移栽：生根阶段比较合适的培养基配方为：1/2MS，生根率可达80%。移栽基质为等量混合的泥炭和珍珠岩，移栽成活率达到67.7%。

The best condition for the expanded reproduction of the hairy roots was to use fresh hairy roots , three-litre Erlenmeyer flasks containing one litre 1 / 2MS liquid medium , room temperature and a rotatory shaker at 110 rpm .

发状根大量扩繁的最佳条件为：在3L的三角瓶中装入1/2MS液体培养基1L，于室温条件下，110r/min的摇床上，震荡悬浮培养；

The results showed : 1 、 The scale leaves were inoculated on MS , 1 / 2MS and modified MS medium . It showed that MS basal medium went with the highest rate of callus induction , modified MS followed , and 1 / 2MS worst .

研究结果如下：1、将鳞叶接种在MS、1/2MS和改良MS培养基上，MS基本培养基上愈伤组织的诱导率最高，改良MS次之，1/2MS最差。

The effect of MS medium in radication culture was better than 1 / 2MS , the roots of plants were all efficiently induced in MS medium without reference to adding IBA , NAA or IBA + NAA , the rate of radication was high .

生根培养中MS基本培养基比1/2MS效果好，MS基本培养基不论附加生长素IBA、NAA或IBA+NAA，均能有效地诱导植株生根，生根率高；

The improved culture medium WM and 1 / 2MS were fit for rooting culture of hybrid clone , the rooting rate was up to 92.8 % ~ 93.3 % . By means of improving the tissue culture programme , the wand cuttage was used into tissue culture .

适于试管苗生根的培养基为中等无机盐浓度的1/2MS培养基和改良的WM培养基，生根率可达92.8%～93.3%。