• 甜瓜薄皮自交系为材料,研究外植激素等因素甜瓜再生影响

    The thin-skin muskmelon inbred lines were used to study the effects of explants, seedling age, and hormones on plant in vitro regeneration.

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  • 次级胚状形成影响细胞胚的成

    The formation of the second embryoids influences on the number of the formation shoot.

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  • 实验结果表明细胞分裂素质量浓度基本培养基成分培养中的美国芦荟组培玻璃化现象显著影响

    The experimental results show that the mass concentration of cytokinin and the composition of the basic media have significant effects on the vitrification of plantlets of Aloe vera L. in vitro.

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  • BY 1组培叶片、离叶片、盆栽叶片上均迅速定殖扩展引起叶片病害

    BY1 that could colonized and expanded on the plantlet leaves, unbodied leaves and potted plant leaves cause foliage disease.

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  • 1987年1988年以染色倍数不同-15小麦为材料,研究不同染色组成诱导伤组织分化绿效应

    This study dealt with the effects of chromosome complement on callus induction and differentiation in 15 Triticum species of different Ploidy in 1987-1988.

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  • 抛秧之前必须做一道工序,在这种育秧方式中,钵的盘外盘根现象时有发生。

    By the way, the pulling out force of seedling with and without root intertwisting phenomena outside seedling plate is test.

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  • 研究基因型外植类型黄瓜器官发生影响

    Effects of seedling stage, genotype and explant type on in vitro somatic organogenesis of cucumber were investigated.

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  • 利用流式细胞术对4葡萄二倍2个三倍1个四倍试管细胞核dna相对含量进行测定

    The relative nuclear DNA content of nuclei isolated from young leaves including 4 diploid, 2 triploid and 1 tetraploid was measured by flow cytometry in grape cultivars.

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  • 瘤状顶端由芽原基形成端,分化出生长点、原基、腋芽原基。

    The top of tumour-body formed shoot apex from bud primordium, and differentiated growing point, leaf primordium. young leaf and axillary bud primordium.

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  • 幼穗直接出芽,一次成途径培养不同培养存在差异

    There was also significant difference in culture ability among different trisomics as the little plants were emerged directly from cultured young panicles.

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  • 4%的藻酸2%的氯化钙进行人工种皮包埋无菌条件下转变

    Embryoids were encapsulated in 4% sodium alginate and 2% CaCl_2 as artificial seed, then so - me somatic embryos encased in capsule converted to plantlets in the aseptic conditions.

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  • 研究不同浓度NAA处理三倍毛白杨试管扦插繁殖影响

    A study was conducted on the effect of different concentration of NAA treatments on the cutting propagation of triploid Populus tomentosa testtube plantlet cuttings.

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  • 处理浓度时间影响四倍诱变效果关键因素,涂抹处理浓度是诱变率高低关键。

    The mutation effect of tetraploid were increased with the increasing of concentrations and the prolongation of treatment time in dropping seeding.

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  • 对四倍刺槐无性系试管不定根发育过程进行了解剖观察,结果表明试管嫩梢无潜伏原基,不定根由生根原基发育形成,诱生根原基源于射线细胞分裂分化

    Latent root primordium was not found in shoots in test tubes. The induced root primordium which originated from the division and differentiation of pith ray cell developed into the adventitious roots.

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  • 对四倍刺槐进行引种栽培试验结果表明:(1)四倍刺槐在林芝地区引种栽培,平均成活率85 % ;

    According to experiments on introduction and cultivation of Black Locust. The result showed:(1)The average survival rate may reach to 85%;

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  • 2006年对培替代基质漂浮技术进行系统研究开发出砂作为介质烟草砂培漂浮育操作技术,培育出优于现行漂浮育的砂

    A research in 2005-2006 was carried out on technology of tobacco floating system using sand as growth medium, and a new sand floating system was developed, producing more vigorous tobacco seedlings.

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  • 本研究一方面水仙浸种涂抹二倍西瓜进行处理,将二倍诱导为四倍

    To gain tetraploid watermelon resource some diploid was treated with colchicine by means of soaking seeds before germination, dropping and daubing the terminal but of young plant.

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  • 多倍齿瓣石斛试管出现植株粗壮、叶片优良性状。

    The in vitro seedlings of polyploid plant showed advantageous characteristics such as thicker stems and leaves.

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  • 多倍叶片厚实、紧凑、植株较矮

    Polyploid plants were short and stout with thick leaves.

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  • 条件下单叶片有所增加,且增加越多

    In vitro, leaf number per culm became more; and the lower node was, the more increase was.

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  • 含有激素培养基,离形成大量伤组织畸形

    The embryo formed into a lot of callus and transformed into teratosis plants when were cultured on MS with hormone.

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  • 接穗嫁接的PPO活性较高

    Polyphenol oxidase (PPO) activity was higher in the early days of grafting.

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  • 播种机机架设有负压风机风机、、钵播种盘;

    The potted seeding machine is characterized in that a negative pressure fan, a positive pressure fan, a seed tray, a potted seedling tray and a potted seeding tray are arranged on a stand;

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  • 播种机机架设有负压风机风机、、钵播种盘;

    The potted seeding machine is characterized in that a negative pressure fan, a positive pressure fan, a seed tray, a potted seedling tray and a potted seeding tray are arranged on a stand;

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