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为了探明吲哚丁酸（Indole-3-butyric acid，IBA）对辣椒（Capsicum annuum L.）下胚轴不定根发生的诱导机制，采用IBA浸蘸后扦插的方法，研究了外源IBA处理后辣椒下胚轴不定根发生进程、糖类物质转化与不定根发生相关基因表达情况。结果表明：外源IBA诱导辣椒下胚轴不定根发生具有浓度依存效应，150 μmol ? L-1 IBA处理后不定根发生区段长度、不定根数及平均...
IBA对芍药扦插生根的影响及生根过程中相关酶活性的变化
芍药 扦插 生根 酶活性
2009/8/6
以芍药‘大富贵’品种为材料, 用1 000、2 000和3 000 mg·L-1 3个浓度的IBA处理进行扦插对比试验, 研究其生根过程中过氧化物酶( POD) 、多酚氧化酶( PPO) 、吲哚乙酸氧化酶( IAAO) 活性的动态变化。结果表明: IBA处理极显著地提高了插穗的生根率、根数和总根长, 其中以2 000 mg·L -1为IBA最佳生根浓度, 将生根周期缩短18 d, 并明显提高了生根...
不同浓度IBA处理对菊花水插生长的影响
观赏菊 水插 吲哚丁酸
2009/6/22
［目的］ 为菊花简便繁殖提供参考。 ［方法］ 取菊花不同生长时期的健壮枝条，插穗用高锰酸钾溶液消毒及吲哚3丁酸处理后进行水插培养，研究处理后插穗的生长情况。［结果］ 4月20日扦插比4月9日扦插的整体成活率高61%。经过消毒处理的插穗比未经消毒处理的插穗成活率高30%，4月9日经过200 mg/L IBA处理12 h的插穗全部死亡，100 mg/L IBA处理12 h的插穗成活率也偏低，4月...
IBA及热击处理对艳山姜切花保鲜效果的影响
艳山姜 IBA 热击 品质
2009/6/12
[目的]为艳山姜切花保鲜提供科学依据。[方法]采用IBA 不同的浓度及处理方式、热击及其与IBA 组合处理艳山姜切花，研究
IBA 及热击处理对艳山姜切花保鲜效果的影响。[结果] 100 mg/LIBA瓶插和150 mg/LIBA 涂抹远轴端处理的艳山姜切花鲜重变化率
下降最慢，明显抑制了花蕾脱落，延长了瓶插寿命。热击结合IBA 复合处理对艳山姜切花瓶插寿命的延长效果优于热击单独处理，其
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研究了不同浓度的IBA 对马铃薯大西洋和Bora 组培苗生根和移栽成活率的影响。结果表明: 诱导大西洋生根的最低培养基为
1/ 2 MS+ 0 .4 mg/ LIBA, 诱导Bora 生根的最低培养基为1/ 2 MS+ 0 .6 mg/ LIBA; 两者的最高移栽成活率分别为87 .61 %和93 .58% , 诱导此成活率的IBA 浓度均为0 .6 mg/ L。
Effects of indol–3-butyric acid（IBA）, plant growth promoting rhizobacteria（PGPR）and carbohydrates on rooting of hardwood cutting of MM106 Apple rootstock
Apple rootstock hardwood cutting IBA bacteria carbohydrate
2009/3/4
This investigation was conducted to evaluate the effects of a range of indole-3-butyric acid (IBA) concentrations (1000, 2000 and 4000 ppm), two strains of Agrobacterium rubi (A-18) and Bacillus sub...
Rooting response under shade using IBA growth regulators and different growth mediums on Leucadendron laxum（Proteaceae）– A commercial cut flower
Auxin cut flower growth medium indole-3-butyric acid
2009/3/4
The popular cut flower, Leucadendron laxum (Marsh rose Leucadendron) was tested for its rooting ability, using various Indole-3-butyric acid (IBA) liquid hormone concentrations with differen...
Effects of Timing, IBA and Putrescine on Rooting and Shooting in Pyrus elaeagrifolia Pall., Softwood Cuttings
Timing IBA Putrescine Rooting Shooting Pyrus elaeagrifolia Pall Softwood Cuttings
2009/1/15
The effects of 0, 1000, 4000, 8000 and 10000 ppm IBA, and the combination of 150 ppm putrescine with 4000 and 8000 ppm IBA on the rooting and shooting of softwood cuttings was examined. The cutting w...
Effects of IBA and Cutting Dates on the Rooting Ability of Semi-Hardwood Kiwifruit（Actinidia deliciosa A.Chev.）Cuttings
Kiwifruit Actinidia deliciosa semi-hardwood cuttings rooting IBA
2009/1/13
The effects of 1 H-indole-3-butyric acid (IBA) and cutting date on the rooting of semi-hardwood cuttings from the kiwifruit (Actinidia deliciosa A.Chev.) were investigated. In rooting experiments 0, ...