通过愈伤组织及胚状体的途径获得花粉植株。
The pollen plants were obtained from the callus and embryoid.
因此可利用测量气孔保卫细胞长度的方法鉴定花粉植株的倍性。
The method for measurement of the length of stoma guard cell could be used to identify ploidy.
因此，选择适当的杂交组合是提高小麦花粉植株再生频率的关键。
It was discussed that cross combination is the key factor to increase the green plantlet regeneration rate of wheat.
结果表明：延长低温处理时间可大幅度提高春小麦花粉植株的自然加倍率；
The result show that: natural doubling rate of pollen plant of spring wheat can be increased quickly by prolong low temperature treatment;
培养基是番茄花药培养影响花粉产生愈伤组织和花粉植株的主要外部条件。
Medium tomato anther culture is the impact of pollen callus and plant pollen major external conditions.
基因型是番茄花药培养影响花粉产生愈伤组织和花粉植株的主要内部因素。
Genotype is anther culture affect tomato callus pollen and pollen plants of the main internal factors.
本文综述了禾谷类作物花药培养中，花粉植株白化现象的主要研究结果和新近进展。
The albinism and its latest research work in pollen plants derived from anther culture in cereals were reviewed here.
花粉植株中，一般比较健壮的植株染色体较易自然加倍，而比较细弱的植株自然加倍率则较低。
In the pollen plant, it is easy to double chromosome of strong seedling, but it is difficult to double chromosome of weak seedling.
进行聚类分析，将6个株系划分为两个类群，并在DNA分子水平上进一步证实株系4为花粉植株。
These 6 tea lines were divided into 2 groups by UPGMA, moreover, the 4th line was proved to be pollen plant on DNA molecular level.
蚂蚁从花朵中收获花粉时并不能保证一定可以产生异花授粉的效果：蚂蚁会爬到地面或其他植株上。
Cross-pollination isn't ensured when an ant picks up pollen off a pancake plant: The ant may then crawl to the ground or another species.
芦笋的花药、花粉、茎尖及原生质体经离体培养均可再生植株。
The anther, pollen, stem point and bioplast cultured in vitro can be plant.
花粉单倍体植株在遗传分析中显示了优越性。
Pollen haploid plants showed advantages in genetic analysis.
自1993年以来，试验已获得用花药培养的花粉单倍体植株和用未授粉子房培养产生的愈伤组织无性繁殖系。
The paper reports the results of the study since 1993. The haploid plant from the culture of anthers and the clone of ovary without pollination have been obtained.
同时对花药壁、植物激素在花粉粒发育中的作用及再生植株染色体倍性问题进行研究。
In the meantime, we studied the action of anther wall, plant hormone in developing of the pollen, and chromosome multiple of regenerate plantlets.
这些特点与其两种花型植株的大小、花和果实分化的时间和位置、花粉源、传粉系统、花粉流及生境条件有关。
The above characteristics were relation to the size of two kinds of plants, the time of flowers differentiation, the fruits position, pollen type on stigma, pollination system, habitat conditions.
结果表明，刺五加长花丝植株的花粉活力比中花丝植株的高；
The results as follows: In same habtat, the pollen viability of long-filament (male) E.
光凭外观，你无从知道含有外源基因的花粉粒是否会毒害蝶儿，或是传播到几公里外使其他植株受精。
You can't tell, just by looking, whether pollen containing a foreign gene can poison butterflies or fertilize plants miles away.
对转基因植株不同发育阶段的组织和花粉进行组织化学分析，发现P 1943只在双核的花粉细胞中可以检测到GUS表达。
Histochemical analyses of different tissues and pollens at different developmental stages of the transgenic plants showed that P1943 could only direct GUS expression in binucleate pollens.
在花药培养技术上，通过49个组合400个幼穗1200个颖花的研究，提出了依据植株和颖花形态判断花粉发育时期的具体指标；
Through the study of 1200 flowers of 400 young ear of 49 combinations, a concrete index judging the period of the pollen development according to the shape of plant and flowers was put forward;
采用花粉管通道法遗传转化技术，将慈姑蛋白酶抑制剂基因API导入水稻品系“9311”，获得了转基因植株。
Transgenic rice plant was obtained by transferring the Arrowhead Proteinase Inhibitor (API) gene into rice line "9311" by pollen-tube pathway method.
花药培养的花粉胚植株再生率要明显高于游离小孢子培养。
The efficiency of regeneration of pollen plants with the pollen embryo inducement in pollen culture is higher greatly than that of isolated microspore culture.
分析其谱带表明，同一植株同一朵花上的花粉之间存在着蛋白谱带的差异，统计结果显示其按1：1的孟德尔规律分离。
The results showed that there were different protein bands among pollen grains from one flower. This segregation occurred with a classical 1:1 Mendelian ratio by statistics in all experiments.
从未成熟的花粉粒或者切下的完整的花药中再生出单倍体植株的过程。
Anther culture (pollen culture) the generation of haploid plants from immature pollen grains or intact excised anthers.
结果表明 ：几丁质酶对镰刀菌引起的西瓜枯萎病有一定的抑制作用 ，利用花粉管通道法直接导入西瓜活体植株的技术是可行的。
The results indicated that the chitinase had certain inhibition effect on Fusarium oxysporum, and the method of pollen tube pathway could be successfuly used in watermelon transformation.
结果表明 ：几丁质酶对镰刀菌引起的西瓜枯萎病有一定的抑制作用 ，利用花粉管通道法直接导入西瓜活体植株的技术是可行的。
The results indicated that the chitinase had certain inhibition effect on Fusarium oxysporum, and the method of pollen tube pathway could be successfuly used in watermelon transformation.
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