Effects of IAA and zeatin introduced through secondary roots on translocation and partitioning of photosynthate in maize during kernel formation stage and grain filling period was studied in a experiment by using isotopic tracer technique .
利用同位素示踪法研究了根系导入生长素和 玉米 素对玉米籽粒形成期和灌浆期光合产物输出及分配的影响。
The contents of zeatin gibberellin indo-acetic acid and abscisic acid in the superior grains and the inferior grains were determined to analyze their relationship with grains-filling .
于抽穗后每隔6天取其强势粒和弱势粒,测定其 玉米 素、赤霉素、吲哚乙酸和脱落酸含量,分析其与籽粒灌浆的关系。
The high IAA / ABA ratio and zeatin content in bark of P.alba allowed the latent root primodia to resume their growth and the cuttings could root and survive spontaneously .
银白杨皮部的IAA/ABA比值和 玉米 素含量高,潜伏根原基有迅速恢复生长的条件,能自发生根成活。
In each case the level of cell multiplication attributable to zeatin is shown .
每种情况都表明归因于 玉米 素的细胞繁殖水平。
While under low level of exogenous zeatin used together with high level of exogenous IAA the regeneration process was accelerated the ratio of normal buds was raised and the rooting stage was also shortened .
在低水平的 ZT和高浓度的IAA共同 作用下,不定芽的再生速度加快,正常芽比例增加,后期生根过程明显加快。
Results indicated that the concentration of zeatin and zeatin riboside ( Z + ZR ) both in roots and in leaves increased quickly in 0.5 hour after nitrate supply and the levels of Z + ZR were always higher than ammonium treatment and the control within 24 hours .
结果表明:NO3-处理0.5h后,根和叶片 玉米素及其核苷( Z+ZR)含量迅速升高,并且始终高于NH4+处理和对照。
Fermentation process of zeatin production by bacterium
利用细菌发酵生产 玉米 素的研究
Multiple shoot proliferation were induced on modified WPM medium with 0.5-1mgl ~ ( - 1 ) zeatin .
用经过改良的WPM培养基加0.5-1mgl~(-1) 玉米 素大量增殖幼枝。
The contents of indole-3-acetic acid ( IAA ) zeatin riboside ( ZR ) and abscisic acid ( ABA ) were higher in superior grains than in inferior ones at early grain-filling stage .
灌浆前期籽粒中的吲哚乙酸(IAA)、 玉米 素核苷(ZR)和脱落酸(ABA)含量,强势粒高于弱势粒。
TIBA stimulates rooting its effect is relative to the concentrations of zeatin .
TIBA影响生根,其效应与 外源 玉米 素浓度相关。
This essay studies the determination method of gibberellin 3-indoleacetic acid abscisic acid zeatin and kinetin in plant by high performance liquid chromatography .
研究高效液相色谱法测定赤霉素(GA3)、3-吲哚乙酸(IAA)、脱落酸(ABA)、 玉米素( ZT)和激动素(KT)等五种植物 激素的条件;
In addition to zeatin other cytokinins were found in the extract by the method of ultraviolet absorption spectra .
紫外线吸收光谱法显示在这种提取液中除 玉米 素以外还有其它细胞分裂素类物质的存在。
Under the induction of exogenous IAA zeatin TIBA the rooting of sequential hypocotyl segments in vitro is as follows : 1 . IAA promotes segment rooting and with the increase of concentration the effect on rooting is stronger .
番茄幼苗下胚轴系列切段在离体培养及外源IAA、 玉米 素和TIBA诱导下,其根的发生情况如下:1.外源IAA促进生根,并随浓度升高效应加强。
Inhibition was found in almost all cases when gibberellic acid ( GA_3 ) or GA_3 ( 1 ppm ) combined with zeatin Was used .
当赤霉素(1ppm)或赤霉素( 1)与 玉米 素(1ppm)联合应用时,无例外地均对器官分化起抑制作用。
The zeatin effect on shoot sheath respiratory rate of spring wheat seedlings differs from varieties the zeatin can improve the formation of peroxidase isozyme in the sheath and increase the enzyme pattern cord .
玉米 素对不同品种春小麦幼苗的芽鞘呼吸速率的影响是不同的,而且玉米素可以促进春小麦芽鞘的过氧化物酶同工酶的形成,其酶谱带数增加。
The effects of different concentration of foreign zeatin and IAA on tomato cotyledon regeneration were investigated .
研究了 玉米 素和IAA对番 茄子 叶再生的影响。
Synthetic and Technological Study of Zeatin and Several Intermediates of Fine Chemistry
玉米 素以及几个精细化工中间体的合成与工艺研究
Differences in the respiration intensity POD activity the levels of ethylene zeatin GA_3 IAA and ABA were found between the cool-treated seed cloves and CK . There were also differences in photosynthetic intensity and those physiological indexes mentioned above between them .
冷凉处理蒜种的呼吸强度、POD活性、乙烯、 玉米 素、GA3、IAA及ABA水平,鳞茎形成期光合强度及鳞茎中以上生理指标与对照都有不同程度差异;
Zeatin ( ZT ) and gibberellic acid ( GA3 ) contents were the highest under red and green films after 45 days however indole-3-acetic acid ( IAA ) accumulation in the tissues was higher under yellow and blue films .
45d后,GA3和 玉米 素(ZT)的含量以红、绿膜处理最高,而吲哚乙酸(IAA)的含量以黄膜和蓝膜下的较高。
Regulating Effect of Zeatin on ATPase Activity of Chloroplast Coupling Factor 1
玉米 素对叶绿体耦联因子Mg~ ( 2 +)-ATPase活力的调节
The inhibition of 6-Benzyl Aminopurine ( BAP ) and Zeatin ( ZT ) on root and anther tissues respiration of maize was studied .
研究了 玉米 素(ZT)、苄氨基嘌呤(BAP)对玉米根、花药组织呼吸的抑制效应。
Zeatin effects little on segment rooting .
外源 玉米 素对生根影响不大。
Low concentration of TDZ ( thidiazuron 0.005 ppm ) replaces expensive zeatin for enhancing bud differentiation and multiplication of leaf explants .
用极低浓度的TDZ(thidiazuron0.005ppm)替代价格昂贵的 玉米 素 ( zeatin,Z),促进毛白杨叶外植体上芽的分化和增殖;
Effects of Zeatin on Metabolism Respiratory in spring Wheat seedling
玉米 素对春小麦幼苗呼吸代谢的影响
Soil Cd inhibited the synthesis of indoleacetic acid ( IAA ) and zeatin ( Z ) in Glycine max leaves and this inhibition increased with increasing in treatment time and Cd concentrations .
不同浓度Cd处理对大豆叶片中生长素(IAA)和 玉米 素(Z)的合成有抑制效应,而且随着时间的延长和处理浓度的增加,抑制效应逐渐增加。
Showed that the binding of 6-BA to this protein was partially inhibited by kinetin and zeatin but not inhibited by ABA GA IAA and adenine .
激动素、 玉米 素对6-BA的结合只有部分抑制作用,而ABA、GA3、IAA及腺嘌呤则无竞争作用。
Analysis of HPLC showed that exogenous KT works through the increase of KT and Zeatin contents of chill injured rice seedlings .
高效液相色谱分析表明,外源KT是通过提高稻苗 体内KT和 玉米 素含量而 起 作用。
美['zi:ətən]英['zi:ətən]
n.玉米素